1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280

#[doc = "Reader of register LPR"]
pub type R = crate::R<u32, super::LPR>;
#[doc = "Writer for register LPR"]
pub type W = crate::W<u32, super::LPR>;
#[doc = "Register LPR `reset()`'s with value 0"]
impl crate::ResetValue for super::LPR {
    type Type = u32;
    #[inline(always)]
    fn reset_value() -> Self::Type {
        0
    }
}
#[doc = "Low-power Configuration Bits\n\nValue on reset: 0"]
#[derive(Clone, Copy, Debug, PartialEq)]
#[repr(u8)]
pub enum LPCB_A {
    #[doc = "0: The low-power feature is inhibited: no Power-down, Self-refresh or Deep Power-down command is issued to the SDRAM device."]
    DISABLED = 0,
    #[doc = "1: The SDRAMC issues a Self-refresh command to the SDRAM device, the SDCK clock is deactivated and the SDCKE signal is set low. The SDRAM device leaves the Self-refresh mode when accessed and enters it after the access."]
    SELF_REFRESH = 1,
    #[doc = "2: The SDRAMC issues a Power-down Command to the SDRAM device after each access, the SDCKE signal is set to low. The SDRAM device leaves the Power-down mode when accessed and enters it after the access."]
    POWER_DOWN = 2,
    #[doc = "3: The SDRAMC issues a Deep Power-down command to the SDRAM device. This mode is unique to low-power SDRAM."]
    DEEP_POWER_DOWN = 3,
}
impl From<LPCB_A> for u8 {
    #[inline(always)]
    fn from(variant: LPCB_A) -> Self {
        variant as _
    }
}
#[doc = "Reader of field `LPCB`"]
pub type LPCB_R = crate::R<u8, LPCB_A>;
impl LPCB_R {
    #[doc = r"Get enumerated values variant"]
    #[inline(always)]
    pub fn variant(&self) -> LPCB_A {
        match self.bits {
            0 => LPCB_A::DISABLED,
            1 => LPCB_A::SELF_REFRESH,
            2 => LPCB_A::POWER_DOWN,
            3 => LPCB_A::DEEP_POWER_DOWN,
            _ => unreachable!(),
        }
    }
    #[doc = "Checks if the value of the field is `DISABLED`"]
    #[inline(always)]
    pub fn is_disabled(&self) -> bool {
        *self == LPCB_A::DISABLED
    }
    #[doc = "Checks if the value of the field is `SELF_REFRESH`"]
    #[inline(always)]
    pub fn is_self_refresh(&self) -> bool {
        *self == LPCB_A::SELF_REFRESH
    }
    #[doc = "Checks if the value of the field is `POWER_DOWN`"]
    #[inline(always)]
    pub fn is_power_down(&self) -> bool {
        *self == LPCB_A::POWER_DOWN
    }
    #[doc = "Checks if the value of the field is `DEEP_POWER_DOWN`"]
    #[inline(always)]
    pub fn is_deep_power_down(&self) -> bool {
        *self == LPCB_A::DEEP_POWER_DOWN
    }
}
#[doc = "Write proxy for field `LPCB`"]
pub struct LPCB_W<'a> {
    w: &'a mut W,
}
impl<'a> LPCB_W<'a> {
    #[doc = r"Writes `variant` to the field"]
    #[inline(always)]
    pub fn variant(self, variant: LPCB_A) -> &'a mut W {
        {
            self.bits(variant.into())
        }
    }
    #[doc = "The low-power feature is inhibited: no Power-down, Self-refresh or Deep Power-down command is issued to the SDRAM device."]
    #[inline(always)]
    pub fn disabled(self) -> &'a mut W {
        self.variant(LPCB_A::DISABLED)
    }
    #[doc = "The SDRAMC issues a Self-refresh command to the SDRAM device, the SDCK clock is deactivated and the SDCKE signal is set low. The SDRAM device leaves the Self-refresh mode when accessed and enters it after the access."]
    #[inline(always)]
    pub fn self_refresh(self) -> &'a mut W {
        self.variant(LPCB_A::SELF_REFRESH)
    }
    #[doc = "The SDRAMC issues a Power-down Command to the SDRAM device after each access, the SDCKE signal is set to low. The SDRAM device leaves the Power-down mode when accessed and enters it after the access."]
    #[inline(always)]
    pub fn power_down(self) -> &'a mut W {
        self.variant(LPCB_A::POWER_DOWN)
    }
    #[doc = "The SDRAMC issues a Deep Power-down command to the SDRAM device. This mode is unique to low-power SDRAM."]
    #[inline(always)]
    pub fn deep_power_down(self) -> &'a mut W {
        self.variant(LPCB_A::DEEP_POWER_DOWN)
    }
    #[doc = r"Writes raw bits to the field"]
    #[inline(always)]
    pub fn bits(self, value: u8) -> &'a mut W {
        self.w.bits = (self.w.bits & !0x03) | ((value as u32) & 0x03);
        self.w
    }
}
#[doc = "Reader of field `PASR`"]
pub type PASR_R = crate::R<u8, u8>;
#[doc = "Write proxy for field `PASR`"]
pub struct PASR_W<'a> {
    w: &'a mut W,
}
impl<'a> PASR_W<'a> {
    #[doc = r"Writes raw bits to the field"]
    #[inline(always)]
    pub unsafe fn bits(self, value: u8) -> &'a mut W {
        self.w.bits = (self.w.bits & !(0x07 << 4)) | (((value as u32) & 0x07) << 4);
        self.w
    }
}
#[doc = "Reader of field `TCSR`"]
pub type TCSR_R = crate::R<u8, u8>;
#[doc = "Write proxy for field `TCSR`"]
pub struct TCSR_W<'a> {
    w: &'a mut W,
}
impl<'a> TCSR_W<'a> {
    #[doc = r"Writes raw bits to the field"]
    #[inline(always)]
    pub unsafe fn bits(self, value: u8) -> &'a mut W {
        self.w.bits = (self.w.bits & !(0x03 << 8)) | (((value as u32) & 0x03) << 8);
        self.w
    }
}
#[doc = "Reader of field `DS`"]
pub type DS_R = crate::R<u8, u8>;
#[doc = "Write proxy for field `DS`"]
pub struct DS_W<'a> {
    w: &'a mut W,
}
impl<'a> DS_W<'a> {
    #[doc = r"Writes raw bits to the field"]
    #[inline(always)]
    pub unsafe fn bits(self, value: u8) -> &'a mut W {
        self.w.bits = (self.w.bits & !(0x03 << 10)) | (((value as u32) & 0x03) << 10);
        self.w
    }
}
#[doc = "Time to Define When Low-power Mode Is Enabled\n\nValue on reset: 0"]
#[derive(Clone, Copy, Debug, PartialEq)]
#[repr(u8)]
pub enum TIMEOUT_A {
    #[doc = "0: The SDRAMC activates the SDRAM Low-power mode immediately after the end of the last transfer."]
    LP_LAST_XFER = 0,
    #[doc = "1: The SDRAMC activates the SDRAM Low-power mode 64 clock cycles after the end of the last transfer."]
    LP_LAST_XFER_64 = 1,
    #[doc = "2: The SDRAMC activates the SDRAM Low-power mode 128 clock cycles after the end of the last transfer."]
    LP_LAST_XFER_128 = 2,
}
impl From<TIMEOUT_A> for u8 {
    #[inline(always)]
    fn from(variant: TIMEOUT_A) -> Self {
        variant as _
    }
}
#[doc = "Reader of field `TIMEOUT`"]
pub type TIMEOUT_R = crate::R<u8, TIMEOUT_A>;
impl TIMEOUT_R {
    #[doc = r"Get enumerated values variant"]
    #[inline(always)]
    pub fn variant(&self) -> crate::Variant<u8, TIMEOUT_A> {
        use crate::Variant::*;
        match self.bits {
            0 => Val(TIMEOUT_A::LP_LAST_XFER),
            1 => Val(TIMEOUT_A::LP_LAST_XFER_64),
            2 => Val(TIMEOUT_A::LP_LAST_XFER_128),
            i => Res(i),
        }
    }
    #[doc = "Checks if the value of the field is `LP_LAST_XFER`"]
    #[inline(always)]
    pub fn is_lp_last_xfer(&self) -> bool {
        *self == TIMEOUT_A::LP_LAST_XFER
    }
    #[doc = "Checks if the value of the field is `LP_LAST_XFER_64`"]
    #[inline(always)]
    pub fn is_lp_last_xfer_64(&self) -> bool {
        *self == TIMEOUT_A::LP_LAST_XFER_64
    }
    #[doc = "Checks if the value of the field is `LP_LAST_XFER_128`"]
    #[inline(always)]
    pub fn is_lp_last_xfer_128(&self) -> bool {
        *self == TIMEOUT_A::LP_LAST_XFER_128
    }
}
#[doc = "Write proxy for field `TIMEOUT`"]
pub struct TIMEOUT_W<'a> {
    w: &'a mut W,
}
impl<'a> TIMEOUT_W<'a> {
    #[doc = r"Writes `variant` to the field"]
    #[inline(always)]
    pub fn variant(self, variant: TIMEOUT_A) -> &'a mut W {
        unsafe { self.bits(variant.into()) }
    }
    #[doc = "The SDRAMC activates the SDRAM Low-power mode immediately after the end of the last transfer."]
    #[inline(always)]
    pub fn lp_last_xfer(self) -> &'a mut W {
        self.variant(TIMEOUT_A::LP_LAST_XFER)
    }
    #[doc = "The SDRAMC activates the SDRAM Low-power mode 64 clock cycles after the end of the last transfer."]
    #[inline(always)]
    pub fn lp_last_xfer_64(self) -> &'a mut W {
        self.variant(TIMEOUT_A::LP_LAST_XFER_64)
    }
    #[doc = "The SDRAMC activates the SDRAM Low-power mode 128 clock cycles after the end of the last transfer."]
    #[inline(always)]
    pub fn lp_last_xfer_128(self) -> &'a mut W {
        self.variant(TIMEOUT_A::LP_LAST_XFER_128)
    }
    #[doc = r"Writes raw bits to the field"]
    #[inline(always)]
    pub unsafe fn bits(self, value: u8) -> &'a mut W {
        self.w.bits = (self.w.bits & !(0x03 << 12)) | (((value as u32) & 0x03) << 12);
        self.w
    }
}
impl R {
    #[doc = "Bits 0:1 - Low-power Configuration Bits"]
    #[inline(always)]
    pub fn lpcb(&self) -> LPCB_R {
        LPCB_R::new((self.bits & 0x03) as u8)
    }
    #[doc = "Bits 4:6 - Partial Array Self-refresh (only for low-power SDRAM)"]
    #[inline(always)]
    pub fn pasr(&self) -> PASR_R {
        PASR_R::new(((self.bits >> 4) & 0x07) as u8)
    }
    #[doc = "Bits 8:9 - Temperature Compensated Self-Refresh (only for low-power SDRAM)"]
    #[inline(always)]
    pub fn tcsr(&self) -> TCSR_R {
        TCSR_R::new(((self.bits >> 8) & 0x03) as u8)
    }
    #[doc = "Bits 10:11 - Drive Strength (only for low-power SDRAM)"]
    #[inline(always)]
    pub fn ds(&self) -> DS_R {
        DS_R::new(((self.bits >> 10) & 0x03) as u8)
    }
    #[doc = "Bits 12:13 - Time to Define When Low-power Mode Is Enabled"]
    #[inline(always)]
    pub fn timeout(&self) -> TIMEOUT_R {
        TIMEOUT_R::new(((self.bits >> 12) & 0x03) as u8)
    }
}
impl W {
    #[doc = "Bits 0:1 - Low-power Configuration Bits"]
    #[inline(always)]
    pub fn lpcb(&mut self) -> LPCB_W {
        LPCB_W { w: self }
    }
    #[doc = "Bits 4:6 - Partial Array Self-refresh (only for low-power SDRAM)"]
    #[inline(always)]
    pub fn pasr(&mut self) -> PASR_W {
        PASR_W { w: self }
    }
    #[doc = "Bits 8:9 - Temperature Compensated Self-Refresh (only for low-power SDRAM)"]
    #[inline(always)]
    pub fn tcsr(&mut self) -> TCSR_W {
        TCSR_W { w: self }
    }
    #[doc = "Bits 10:11 - Drive Strength (only for low-power SDRAM)"]
    #[inline(always)]
    pub fn ds(&mut self) -> DS_W {
        DS_W { w: self }
    }
    #[doc = "Bits 12:13 - Time to Define When Low-power Mode Is Enabled"]
    #[inline(always)]
    pub fn timeout(&mut self) -> TIMEOUT_W {
        TIMEOUT_W { w: self }
    }
}