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edits
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→RTC_CNT (0x10147100)
= Registers =
= Registers =
== GPIO ==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
! Name
! Name
| 2
| 2
| 0x40, 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000, 0x10000, 0x20000
| 0x40, 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000, 0x10000, 0x20000
|-
| ?
| [[#0x10147026|0x10147026]]
| 2
| ?
|-
|-
| GPIO_DATA4
| GPIO_DATA4
| 0x40000
| 0x40000
|}
|}
== Legacy RTC ==
{| class="wikitable" border="1"
! Name
! Address
! Width
! Description
|-
| [[#RTC_CNT_(0x10147100)|RTC_CNT]]
| 0x10147100
| 2
| Control register
|-
| RTC_REG_STAT1
| 0x10147110
| 1
| Rtc status register 1 (command 0). Bitswapped
|-
| RTC_REG_STAT2
| 0x10147111
| 1
| Rtc status register 2 (command 1). Bitswapped
|-
| RTC_REG_CLKADJ
| 0x10147112
| 1
| Rtc clock adjustment register (command 6). Bitswapped
|-
| RTC_REG_FREE
| 0x10147113
| 1
| The free general purpose rtc register (command 7). Bitswapped
|-
| RTC_REG_TIME1
| 0x10147120
| 4
| Byte-wise bit-swapped (bit7 is bit0, etc.) BCD RTC (byte0 = seconds, byte1 = minutes, byte2 = hours, byte3 = day of week)
|-
| RTC_REG_TIME2
| 0x10147124
| 4 (3?)
| Day, month and year all byte-wise bit-swapped
|-
| RTC_REG_ALRMTIM1
| 0x10147130
| 4 (3?)
| Rtc alarm time register 1 (command 4). Byte-wise bit-swapped
|-
| RTC_REG_ALRMTIM2
| 0x10147134
| 4 (3?)
| Rtc alarm time register 2 (command 5). Byte-wise bit-swapped
|-
| RTC_REG_COUNT
| 0x10147140
| 4 (3?)
| Rtc dsi counter register (ex command 0). Byte-wise bit-swapped
|-
| RTC_REG_FOUT1
| 0x10147150
| 1
| Rtc dsi fout register 1 (ex command 1). Bitswapped
|-
| RTC_REG_FOUT2
| 0x10147151
| 1
| Rtc dsi fout register 2 (ex command 2). Bitswapped
|-
| RTC_REG_ALRMDAT1
| 0x10147160
| 4 (3?)
| Rtc dsi alarm date register 1 (ex command 4). Byte-wise bit-swapped
|-
| RTC_REG_ALRMDAT2
| 0x10147164
| 4 (3?)
| Rtc dsi alarm date register 2 (ex command 5). Byte-wise bit-swapped
|-
|}
= Descriptions =
== 0x10147010 ==
== 0x10147010 ==
| 25
| 25
| Enable/disable? GPIO interrupt 0x66 (bitmask 0x10)
| Enable/disable? GPIO interrupt 0x66 (bitmask 0x10)
|}
== 0x10147026 ==
{| class="wikitable" border="1"
! Bit
! Description
|-
| 0-8
| ?
|-
| 9
| Enable/disable interrupt 0x71.
|-
| 10-15
| ?
|}
|}
| 0-2
| 0-2
| Used for GPIO [[GPIO_Services|bitmask]] 0x7.
| Used for GPIO [[GPIO_Services|bitmask]] 0x7.
|-
| 1
| DS EXTKEYIN Pen down (0 = touching, 1 = not touching)
|-
|-
| 3
| 3
| 1-15
| 1-15
| Unused by GPIO-sysmodule and TwlBg.
| Unused by GPIO-sysmodule and TwlBg.
|}
== Legacy RTC ==
=== RTC_CNT (0x10147100) ===
{| class="wikitable" border="1"
! Bit
! Description
|-
| 0
| Latch STAT1
|-
| 1
| Latch STAT2
|-
| 2
| Latch CLKADJ
|-
| 3
| Latch FREE
|-
| 4
| Latch TIME
|-
| 5
| Latch ALRMTIM1
|-
| 6
| Latch ALRMTIM2
|-
| 7
| Latch COUNT
|-
| 8
| Latch FOUT1
|-
| 9
| Latch FOUT2
|-
| 10
| Latch ALRMDAT1
|-
| 11
| Latch ALRMDAT2
|-
| 12
| ARM7 Busy? This may be chipselect
|-
| 13
| ARM7 write command received? (writing 1 clears it seems)
|-
| 14
| ARM7 read command recieved? (writing 1 clears it seems)
|-
| 15
| DS SIO SI pin (rtc irq pin)
|}
|}