APPENDIX A LIST OF I/O REGISTERS
S1C33L26 TECHNICAL MANUAL
Seiko Epson Corporation
AP-A-1
Appendix A List of I/O Registers
Peripheral
Address
Register name
Function
MISC registers
(MISC)
(8-bit device)
0x300010 MISC_RTCWT
RTC Wait Control Register
Configure RTC access cycles
0x300012 MISC_USB
USB Configuration Register
Enable USB interrupt and configure access cycle
0x300014 MISC_RAMWT
Internal RAM Wait Control Register
Configure IRAM and IVRAM access cycles
0x300016 MISC_BOOT
Boot Register
Indicate/set boot conditions
0x300018 MISC_RAM_LOC RAM Location Select Register
Select area for locating RAM
0x300020 MISC_PROTECT Misc Protect Register
Enable/disable Misc register write protection
Clock
management
unit (CMU)
(8-bit device)
0x300100 CMU_OSCSEL
Clock Source Select Register
Select system clock source
0x300101 CMU_OSCCTL
Oscillation Control Register
Control oscillators
0x300103 CMU_LCLKDIV
LCDC Clock Division Ratio Select Register
Set LCLK frequency
0x300104 CMU_CLKCTL
Clock Control Register
Control clock supply to peripheral/bus modules
0x300105 CMU_SYSCLKDIV System Clock Division Ratio Select Register
Set system clock frequency
0x300106 CMU_CMUCLK
CMU_CLK Select Register
Select CMU_CLK output clock
0x300107 CMU_PLLINDIV
PLL Input Clock Division Ratio Select Register Set PLL input clock frequency
0x300108 CMU_PLLCTL0
PLL Control Register 0
Set PLL multiplication rate and enable PLL
0x300109 CMU_PLLCTL1
PLL Control Register 1
Set PLL parameters
0x30010a CMU_PLLCTL2
PLL Control Register 2
0x30010c CMU_SSCG0
SSCG Macro Control Register 0
Enable SSCG
0x30010d CMU_SSCG1
SSCG Macro Control Register 1
Set SSCG parameters
0x300110 CMU_PROTECT
CMU Write Protect Register
Enable/disable CMU register write protection
Interrupt
controller (ITC)
(8-bit device)
0x300210 ITC_FPT03_LV
FPT0–3 Interrupt Level Register
Set FPT0–3 interrupt levels
0x300211 ITC_FPT47_LV
FPT4–7 Interrupt Level Register
Set FPT4–7 interrupt levels
0x300212 ITC_FPT8B_LV
FPT8–B Interrupt Level Register
Set FPT8–B interrupt levels
0x300213 ITC_FPTCF_LV
FPTC–F Interrupt Level Register
Set FPTC–F interrupt levels
0x300214 ITC_DMA02_LV
DMAC Ch.0 & 2 Interrupt Level Register
Set DMAC Ch.0 and 2 interrupt levels
0x300215 ITC_DMA13_LV
DMAC Ch.1 & 3 Interrupt Level Register
Set DMAC Ch.1 and 3 interrupt levels
0x300216 ITC_DMA46_LV
DMAC Ch.4 & 6 Interrupt Level Register
Set DMAC Ch.4 and 6 interrupt levels
0x300217 ITC_DMA57_LV
DMAC Ch.5 & 7 Interrupt Level Register
Set DMAC Ch.5 and 7 interrupt levels
0x300218 ITC_T16P_LV
T16P Interrupt Level Register
Set T16P interrupt level
0x300219 ITC_T16A0_LV
T16A5 Ch.0 Interrupt Level Register
Set T16A5 Ch.0 interrupt level
0x30021a ITC_T16A1_LV
T16A5 Ch.1 Interrupt Level Register
Set T16A5 Ch.1 interrupt level
0x30021b ITC_LCDC_LV
LCDC Interrupt Level Register
Set LCDC interrupt level
0x30021d ITC_T804_LV
T8 Ch.0 & 4 Interrupt Level Register
Set T8 Ch.0 and 4 interrupt levels
0x30021e ITC_T815_LV
T8 Ch.1 & 5 Interrupt Level Register
Set T8 Ch.1 and 5 interrupt levels
0x30021f ITC_T826_LV
T8 Ch.2 & 6 Interrupt Level Register
Set T8 Ch.2 and 6 interrupt levels
0x300220 ITC_T837_LV
T8 Ch.3 & 7 Interrupt Level Register
Set T8 Ch.3 and 7 interrupt levels
0x300221 ITC_USI_LV
USI Interrupt Level Register
Set USI interrupt level
0x300222 ITC_FSIO0_LV
FSIO Ch.0 Interrupt Level Register
Set FSIO Ch.0 interrupt level
0x300223 ITC_ADC10_LV
ADC10 Interrupt Level Register
Set ADC10 interrupt level
0x300224 ITC_RTC_LV
RTC Interrupt Level Register
Set RTC interrupt level
0x300226 ITC_FSIO1_LV
FSIO Ch.1 Interrupt Level Register
Set FSIO Ch.1 interrupt level
0x300227 ITC_USIL_LV
USIL Interrupt Level Register
Set USIL interrupt level
0x300228 ITC_REMC_LV
REMC Interrupt Level Register
Set REMC interrupt level
0x300229 ITC_I2S_LV
I
2
S Interrupt Level Register
Set I
2
S interrupt level
0x30022a ITC_GECOM_LV GE Complete Interrupt Level Register
Set GE complete interrupt level
0x30022b ITC_GEERR_LV
GE Error Interrupt Level Register
Set GE error interrupt level
0x30022c ITC_USB_LV
USB Interrupt Level Register
Set USB interrupt level
GPIO & port
MUX
(8-bit device)
0x300300 GPIO_P0_DAT
P0 Port Data Register
P0 port input/output data
0x300301 GPIO_P0_IOC
P0 Port I/O Control Register
Control P0 port input/output direction
0x300302 GPIO_P1_DAT
P1 Port Data Register
P1 port input/output data
0x300303 GPIO_P1_IOC
P1 Port I/O Control Register
Control P1 port input/output direction
0x300304 GPIO_P2_DAT
P2 Port Data Register
P2 port input/output data
0x300305 GPIO_P2_IOC
P2 Port I/O Control Register
Control P2 port input/output direction
0x300306 GPIO_P3_DAT
P3 Port Data Register
P3 port input/output data
0x300307 GPIO_P3_IOC
P3 Port I/O Control Register
Control P3 port input/output direction
0x300308 GPIO_P4_DAT
P4 Port Data Register
P4 port input/output data
0x300309 GPIO_P4_IOC
P4 Port I/O Control Register
Control P4 port input/output direction
0x30030a GPIO_P5_DAT
P5 Port Data Register
P5 port input/output data
0x30030b GPIO_P5_IOC
P5 Port I/O Control Register
Control P5 port input/output direction
0x30030c GPIO_P6_DAT
P6 Port Data Register
P6 port input/output data
0x30030d GPIO_P6_IOC
P6 Port I/O Control Register
Control P6 port input/output direction
0x30030e GPIO_P7_DAT
P7 Port Data Register
P7 port input data
0x300310 GPIO_P8_DAT
P8 Port Data Register
P8 port input/output data
0x300311 GPIO_P8_IOC
P8 Port I/O Control Register
Control P8 port input/output direction