
Functional Overview
123
December 2003 Revised March 2005
SPRS231D
Table 316. MPUIO (Keyboard) Registers
BYTE
ADDRESS
REGISTER NAME
DESCRIPTION
ACCESS
WIDTH
ACCESS
TYPE
RESET
VALUE
FFFB:5000
MPUIO_INPUT_LATCH
MPUIO General Purpose Input Register
16
R
0000h
FFFB:5004
MPUIO_OUTPUT
MPUIO General Purpose Output Register
16
R/W
0000h
FFFB:5008
MPUIO_IO_CNTL
MPUIO In/Out Control Register for
General-Purpose I/O
16
R/W
FFFFh
FFFB:5010
MPUIO_KBD_LATCH
MPUIO Keyboard Row Input Register
16
R
FFFFh
FFFB:5014
MPUIO_KBC
MPUIO Keyboard Column Ouput Register
16
R/W
FF00h
FFFB:5018
MPUIO_GPIO_EVENT
MPUIO GPIO Event Mode Register
16
R/W
0FE0h
FFFB:501C
MPUIO_GPIO_EDGE
MPUIO GPIO Interrupt Edge Register
16
R/W
0000h
FFFB:5020
MPUIO_KBD_INT
MPUIO Keyboard Interrupt Register
16
R
FFFFh
FFFB:5024
MPUIO_GPIO_INT
MPUIO GPIO Interrupt Register
16
R
0000h
FFFB:5028
MPUIO_KBD_MASKIT
MPUIO Keyboard Interrupt Mask Register
16
R/W
FFFEh
FFFB:502C
MPUIO_GPIO_MASKIT
MPUIO GPIO Interrupt Mask Register
16
R/W
0000h
FFFB:5030
MPUIO_GPIO_DBNC
MPUIO GPIO Debouncing Register
16
R/W
EF00h
FFFB:5034
MPUIO_GPIO_LATCH
MPUIO GPIO Latch Register
16
R
0000h
Table 317. Pulse Width Light (PWL) Registers
BYTE
ADDRESS
REGISTER NAME
DESCRIPTION
ACCESS
WIDTH
ACCESS
TYPE
RESET
VALUE
FFFB:5800
PWL_LEVEL
PWL Level Register
8
R/W
00h
FFFB:5804
PWL_CONTROL
PWL Control Register
8
R/W
00h
Table 318. Pulse Width Tone (PWT) Registers
BYTE
ADDRESS
REGISTER NAME
DESCRIPTION
ACCESS
WIDTH
ACCESS
TYPE
RESET
VALUE
FFFB:6000
PWT_FRC
PWT Frequency Control Register
8
R/W
00h
FFFB:6004
PWT_VRC
PWT Volume Control Register
8
R/W
00h
FFFB:6008
PWT_GCR
PWT General Control Register
8
R/W
00h
Table 319. MMC/SDIO1 Registers
BYTE
ADDRESS
REGISTER NAME
DESCRIPTION
ACCESS
WIDTH
ACCESS
TYPE
RESET
VALUE
FFFB:7800
MPU_MMC_CMD
MMC Command Register
16
R/W
0000h
FFFB:7804
MPU_MMC_ARGL
MMC Argument Register Low
16
R/W
0000h
FFFB:7808
MPU_MMC_ARGH
MMC Argument Register High
16
R/W
0000h
FFFB:780C
MPU_MMC_CON
MMC Module Configuration Register
16
R/W
0000h
FFFB:7810
MPU_MMC_STAT
MMC Module Status Register
16
R/W
0000h
FFFB:7814
MPU_MMC_IE
MMC System Interrupt Enable Register
16
R/W
0000h
FFFB:7818
MPU_MMC_CTO
MMC Command TimeOut Register
16
R/W
0000h
FFFB:781C
MPU_MMC_DTO
MMC Data Read TimeOut Register
16
R/W
0000h
FFFB:7820
MPU_MMC_DATA
MMC Data Access Register
16
R/W
0000h
FFFB:7824
MPU_MMC_BLEN
MMC Block Length Register
16
R/W
0000h
FFFB:7828
MPU_MMC_NBLK
MMC Numberf of Blocks Register
16
R/W
0000h
FFFB:782C
MPU_MMC_BUF
MMC Buffer Configuration Register
16
R/W
0000h