#[doc = r" Value read from the register"]
pub struct R {
bits: u32,
}
#[doc = r" Value to write to the register"]
pub struct W {
bits: u32,
}
impl super::FMC_BTR1 {
#[doc = r" Modifies the contents of the register"]
#[inline]
pub fn modify<F>(&self, f: F)
where
for<'w> F: FnOnce(&R, &'w mut W) -> &'w mut W,
{
let bits = self.register.get();
let r = R { bits: bits };
let mut w = W { bits: bits };
f(&r, &mut w);
self.register.set(w.bits);
}
#[doc = r" Reads the contents of the register"]
#[inline]
pub fn read(&self) -> R {
R {
bits: self.register.get(),
}
}
#[doc = r" Writes to the register"]
#[inline]
pub fn write<F>(&self, f: F)
where
F: FnOnce(&mut W) -> &mut W,
{
let mut w = W::reset_value();
f(&mut w);
self.register.set(w.bits);
}
#[doc = r" Writes the reset value to the register"]
#[inline]
pub fn reset(&self) {
self.write(|w| w)
}
}
#[doc = r" Value of the field"]
pub struct ADDSETR {
bits: u8,
}
impl ADDSETR {
#[doc = r" Value of the field as raw bits"]
#[inline]
pub fn bits(&self) -> u8 {
self.bits
}
}
#[doc = r" Value of the field"]
pub struct ADDHLDR {
bits: u8,
}
impl ADDHLDR {
#[doc = r" Value of the field as raw bits"]
#[inline]
pub fn bits(&self) -> u8 {
self.bits
}
}
#[doc = r" Value of the field"]
pub struct DATASTR {
bits: u8,
}
impl DATASTR {
#[doc = r" Value of the field as raw bits"]
#[inline]
pub fn bits(&self) -> u8 {
self.bits
}
}
#[doc = r" Value of the field"]
pub struct BUSTURNR {
bits: u8,
}
impl BUSTURNR {
#[doc = r" Value of the field as raw bits"]
#[inline]
pub fn bits(&self) -> u8 {
self.bits
}
}
#[doc = r" Value of the field"]
pub struct CLKDIVR {
bits: u8,
}
impl CLKDIVR {
#[doc = r" Value of the field as raw bits"]
#[inline]
pub fn bits(&self) -> u8 {
self.bits
}
}
#[doc = r" Value of the field"]
pub struct DATLATR {
bits: u8,
}
impl DATLATR {
#[doc = r" Value of the field as raw bits"]
#[inline]
pub fn bits(&self) -> u8 {
self.bits
}
}
#[doc = r" Value of the field"]
pub struct ACCMODR {
bits: u8,
}
impl ACCMODR {
#[doc = r" Value of the field as raw bits"]
#[inline]
pub fn bits(&self) -> u8 {
self.bits
}
}
#[doc = r" Proxy"]
pub struct _ADDSETW<'a> {
w: &'a mut W,
}
impl<'a> _ADDSETW<'a> {
#[doc = r" Writes raw bits to the field"]
#[inline]
pub unsafe fn bits(self, value: u8) -> &'a mut W {
const MASK: u8 = 15;
const OFFSET: u8 = 0;
self.w.bits &= !((MASK as u32) << OFFSET);
self.w.bits |= ((value & MASK) as u32) << OFFSET;
self.w
}
}
#[doc = r" Proxy"]
pub struct _ADDHLDW<'a> {
w: &'a mut W,
}
impl<'a> _ADDHLDW<'a> {
#[doc = r" Writes raw bits to the field"]
#[inline]
pub unsafe fn bits(self, value: u8) -> &'a mut W {
const MASK: u8 = 15;
const OFFSET: u8 = 4;
self.w.bits &= !((MASK as u32) << OFFSET);
self.w.bits |= ((value & MASK) as u32) << OFFSET;
self.w
}
}
#[doc = r" Proxy"]
pub struct _DATASTW<'a> {
w: &'a mut W,
}
impl<'a> _DATASTW<'a> {
#[doc = r" Writes raw bits to the field"]
#[inline]
pub unsafe fn bits(self, value: u8) -> &'a mut W {
const MASK: u8 = 255;
const OFFSET: u8 = 8;
self.w.bits &= !((MASK as u32) << OFFSET);
self.w.bits |= ((value & MASK) as u32) << OFFSET;
self.w
}
}
#[doc = r" Proxy"]
pub struct _BUSTURNW<'a> {
w: &'a mut W,
}
impl<'a> _BUSTURNW<'a> {
#[doc = r" Writes raw bits to the field"]
#[inline]
pub unsafe fn bits(self, value: u8) -> &'a mut W {
const MASK: u8 = 15;
const OFFSET: u8 = 16;
self.w.bits &= !((MASK as u32) << OFFSET);
self.w.bits |= ((value & MASK) as u32) << OFFSET;
self.w
}
}
#[doc = r" Proxy"]
pub struct _CLKDIVW<'a> {
w: &'a mut W,
}
impl<'a> _CLKDIVW<'a> {
#[doc = r" Writes raw bits to the field"]
#[inline]
pub unsafe fn bits(self, value: u8) -> &'a mut W {
const MASK: u8 = 15;
const OFFSET: u8 = 20;
self.w.bits &= !((MASK as u32) << OFFSET);
self.w.bits |= ((value & MASK) as u32) << OFFSET;
self.w
}
}
#[doc = r" Proxy"]
pub struct _DATLATW<'a> {
w: &'a mut W,
}
impl<'a> _DATLATW<'a> {
#[doc = r" Writes raw bits to the field"]
#[inline]
pub unsafe fn bits(self, value: u8) -> &'a mut W {
const MASK: u8 = 15;
const OFFSET: u8 = 24;
self.w.bits &= !((MASK as u32) << OFFSET);
self.w.bits |= ((value & MASK) as u32) << OFFSET;
self.w
}
}
#[doc = r" Proxy"]
pub struct _ACCMODW<'a> {
w: &'a mut W,
}
impl<'a> _ACCMODW<'a> {
#[doc = r" Writes raw bits to the field"]
#[inline]
pub unsafe fn bits(self, value: u8) -> &'a mut W {
const MASK: u8 = 3;
const OFFSET: u8 = 28;
self.w.bits &= !((MASK as u32) << OFFSET);
self.w.bits |= ((value & MASK) as u32) << OFFSET;
self.w
}
}
impl R {
#[doc = r" Value of the register as raw bits"]
#[inline]
pub fn bits(&self) -> u32 {
self.bits
}
#[doc = "Bits 0:3 - Address setup phase duration These bits are written by software to define the duration of the address setup phase (refer to Figure81 to Figure93), used in SRAMs, ROMs and asynchronous NOR Flash: For each access mode address setup phase duration, please refer to the respective figure (refer to Figure81 to Figure93). Note: In synchronous accesses, this value is dont care. In Muxed mode or Mode D, the minimum value for ADDSET is 1."]
#[inline]
pub fn addset(&self) -> ADDSETR {
let bits = {
const MASK: u8 = 15;
const OFFSET: u8 = 0;
((self.bits >> OFFSET) & MASK as u32) as u8
};
ADDSETR { bits }
}
#[doc = "Bits 4:7 - Address-hold phase duration These bits are written by software to define the duration of the address hold phase (refer to Figure81 to Figure93), used in mode D or multiplexed accesses: For each access mode address-hold phase duration, please refer to the respective figure (Figure81 to Figure93). Note: In synchronous accesses, this value is not used, the address hold phase is always 1 memory clock period duration."]
#[inline]
pub fn addhld(&self) -> ADDHLDR {
let bits = {
const MASK: u8 = 15;
const OFFSET: u8 = 4;
((self.bits >> OFFSET) & MASK as u32) as u8
};
ADDHLDR { bits }
}
#[doc = "Bits 8:15 - Data-phase duration These bits are written by software to define the duration of the data phase (refer to Figure81 to Figure93), used in asynchronous accesses: For each memory type and access mode data-phase duration, please refer to the respective figure (Figure81 to Figure93). Example: Mode1, write access, DATAST=1: Data-phase duration= DATAST+1 = 2 KCK_FMC clock cycles. Note: In synchronous accesses, this value is dont care."]
#[inline]
pub fn datast(&self) -> DATASTR {
let bits = {
const MASK: u8 = 255;
const OFFSET: u8 = 8;
((self.bits >> OFFSET) & MASK as u32) as u8
};
DATASTR { bits }
}
#[doc = "Bits 16:19 - Bus turnaround phase duration These bits are written by software to add a delay at the end of a write-to-read or read-to write transaction. The programmed bus turnaround delay is inserted between an asynchronous read (in muxed or mode D) or write transaction and any other asynchronous /synchronous read/write from/to a static bank. If a read operation is performed, the bank can be the same or a different one, whereas it must be different in case of write operation to the bank, except in muxed mode or mode D. In some cases, whatever the programmed BUSTRUN values, the bus turnaround delay is fixed as follows: The bus turnaround delay is not inserted between two consecutive asynchronous write transfers to the same static memory bank except in muxed mode and mode D. There is a bus turnaround delay of 1 FMC clock cycle between: Two consecutive asynchronous read transfers to the same static memory bank except for modes muxed and D. An asynchronous read to an asynchronous or synchronous write to any static bank or dynamic bank except in modes muxed and D mode. There is a bus turnaround delay of 2 FMC clock cycle between: Two consecutive synchronous write operations (in Burst or Single mode) to the same bank. A synchronous write (burst or single) access and an asynchronous write or read transfer to or from static memory bank (the bank can be the same or a different one in case of a read operation. Two consecutive synchronous read operations (in Burst or Single mode) followed by any synchronous/asynchronous read or write from/to another static memory bank. There is a bus turnaround delay of 3 FMC clock cycle between: Two consecutive synchronous write operations (in Burst or Single mode) to different static banks. A synchronous write access (in Burst or Single mode) and a synchronous read from the same or a different bank. The bus turnaround delay allows to match the minimum time between consecutive transactions (tEHEL from NEx high to NEx low) and the maximum time required by the memory to free the data bus after a read access (tEHQZ): (BUSTRUN + 1) KCK_FMC period ≥ tEHELmin and (BUSTRUN + 2)KCK_FMC period ≥ tEHQZmax if EXTMOD = 0 (BUSTRUN + 2)KCK_FMC period ≥ max (tEHELmin, tEHQZmax) if EXTMOD = 126. ..."]
#[inline]
pub fn busturn(&self) -> BUSTURNR {
let bits = {
const MASK: u8 = 15;
const OFFSET: u8 = 16;
((self.bits >> OFFSET) & MASK as u32) as u8
};
BUSTURNR { bits }
}
#[doc = "Bits 20:23 - Clock divide ratio (for FMC_CLK signal) These bits define the period of FMC_CLK clock output signal, expressed in number of KCK_FMC cycles: In asynchronous NOR Flash, SRAM or PSRAM accesses, this value is dont care. Note: Refer to Section20.6.5: Synchronous transactions for FMC_CLK divider ratio formula)"]
#[inline]
pub fn clkdiv(&self) -> CLKDIVR {
let bits = {
const MASK: u8 = 15;
const OFFSET: u8 = 20;
((self.bits >> OFFSET) & MASK as u32) as u8
};
CLKDIVR { bits }
}
#[doc = "Bits 24:27 - Data latency for synchronous memory For synchronous access with read write burst mode enabled these bits define the number of memory clock cycles"]
#[inline]
pub fn datlat(&self) -> DATLATR {
let bits = {
const MASK: u8 = 15;
const OFFSET: u8 = 24;
((self.bits >> OFFSET) & MASK as u32) as u8
};
DATLATR { bits }
}
#[doc = "Bits 28:29 - Access mode These bits specify the asynchronous access modes as shown in the timing diagrams. They are taken into account only when the EXTMOD bit in the FMC_BCRx register is 1."]
#[inline]
pub fn accmod(&self) -> ACCMODR {
let bits = {
const MASK: u8 = 3;
const OFFSET: u8 = 28;
((self.bits >> OFFSET) & MASK as u32) as u8
};
ACCMODR { bits }
}
}
impl W {
#[doc = r" Reset value of the register"]
#[inline]
pub fn reset_value() -> W {
W { bits: 268435455 }
}
#[doc = r" Writes raw bits to the register"]
#[inline]
pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
self.bits = bits;
self
}
#[doc = "Bits 0:3 - Address setup phase duration These bits are written by software to define the duration of the address setup phase (refer to Figure81 to Figure93), used in SRAMs, ROMs and asynchronous NOR Flash: For each access mode address setup phase duration, please refer to the respective figure (refer to Figure81 to Figure93). Note: In synchronous accesses, this value is dont care. In Muxed mode or Mode D, the minimum value for ADDSET is 1."]
#[inline]
pub fn addset(&mut self) -> _ADDSETW {
_ADDSETW { w: self }
}
#[doc = "Bits 4:7 - Address-hold phase duration These bits are written by software to define the duration of the address hold phase (refer to Figure81 to Figure93), used in mode D or multiplexed accesses: For each access mode address-hold phase duration, please refer to the respective figure (Figure81 to Figure93). Note: In synchronous accesses, this value is not used, the address hold phase is always 1 memory clock period duration."]
#[inline]
pub fn addhld(&mut self) -> _ADDHLDW {
_ADDHLDW { w: self }
}
#[doc = "Bits 8:15 - Data-phase duration These bits are written by software to define the duration of the data phase (refer to Figure81 to Figure93), used in asynchronous accesses: For each memory type and access mode data-phase duration, please refer to the respective figure (Figure81 to Figure93). Example: Mode1, write access, DATAST=1: Data-phase duration= DATAST+1 = 2 KCK_FMC clock cycles. Note: In synchronous accesses, this value is dont care."]
#[inline]
pub fn datast(&mut self) -> _DATASTW {
_DATASTW { w: self }
}
#[doc = "Bits 16:19 - Bus turnaround phase duration These bits are written by software to add a delay at the end of a write-to-read or read-to write transaction. The programmed bus turnaround delay is inserted between an asynchronous read (in muxed or mode D) or write transaction and any other asynchronous /synchronous read/write from/to a static bank. If a read operation is performed, the bank can be the same or a different one, whereas it must be different in case of write operation to the bank, except in muxed mode or mode D. In some cases, whatever the programmed BUSTRUN values, the bus turnaround delay is fixed as follows: The bus turnaround delay is not inserted between two consecutive asynchronous write transfers to the same static memory bank except in muxed mode and mode D. There is a bus turnaround delay of 1 FMC clock cycle between: Two consecutive asynchronous read transfers to the same static memory bank except for modes muxed and D. An asynchronous read to an asynchronous or synchronous write to any static bank or dynamic bank except in modes muxed and D mode. There is a bus turnaround delay of 2 FMC clock cycle between: Two consecutive synchronous write operations (in Burst or Single mode) to the same bank. A synchronous write (burst or single) access and an asynchronous write or read transfer to or from static memory bank (the bank can be the same or a different one in case of a read operation. Two consecutive synchronous read operations (in Burst or Single mode) followed by any synchronous/asynchronous read or write from/to another static memory bank. There is a bus turnaround delay of 3 FMC clock cycle between: Two consecutive synchronous write operations (in Burst or Single mode) to different static banks. A synchronous write access (in Burst or Single mode) and a synchronous read from the same or a different bank. The bus turnaround delay allows to match the minimum time between consecutive transactions (tEHEL from NEx high to NEx low) and the maximum time required by the memory to free the data bus after a read access (tEHQZ): (BUSTRUN + 1) KCK_FMC period ≥ tEHELmin and (BUSTRUN + 2)KCK_FMC period ≥ tEHQZmax if EXTMOD = 0 (BUSTRUN + 2)KCK_FMC period ≥ max (tEHELmin, tEHQZmax) if EXTMOD = 126. ..."]
#[inline]
pub fn busturn(&mut self) -> _BUSTURNW {
_BUSTURNW { w: self }
}
#[doc = "Bits 20:23 - Clock divide ratio (for FMC_CLK signal) These bits define the period of FMC_CLK clock output signal, expressed in number of KCK_FMC cycles: In asynchronous NOR Flash, SRAM or PSRAM accesses, this value is dont care. Note: Refer to Section20.6.5: Synchronous transactions for FMC_CLK divider ratio formula)"]
#[inline]
pub fn clkdiv(&mut self) -> _CLKDIVW {
_CLKDIVW { w: self }
}
#[doc = "Bits 24:27 - Data latency for synchronous memory For synchronous access with read write burst mode enabled these bits define the number of memory clock cycles"]
#[inline]
pub fn datlat(&mut self) -> _DATLATW {
_DATLATW { w: self }
}
#[doc = "Bits 28:29 - Access mode These bits specify the asynchronous access modes as shown in the timing diagrams. They are taken into account only when the EXTMOD bit in the FMC_BCRx register is 1."]
#[inline]
pub fn accmod(&mut self) -> _ACCMODW {
_ACCMODW { w: self }
}
}