Register Set - NEC VR4181 mPD30181 User Manual

13.3 Register Set

The GIU provides the following registers.
Physical address R/W
0x0B00 0300 R/W
0x0B00 0302 R/W
0x0B00 0304 R/W
0x0B00 0306 R/W
0x0B00 0308 R/W
0x0B00 030A R/W
0x0B00 030C R/W
0x0B00 030E R/W
0x0B00 0310 R/W
0x0B00 0312 R/W
0x0B00 0314 R/W
0x0B00 0316 R/W
0x0B00 0318 R/W
0x0B00 031A R/W
0x0B00 031C R/W
0x0B00 0320 R/W
0x0B00 0322 R/W
0x0B00 0324 R/W
0x0B00 0326 R/W
0x0B00 0328 R/W
0x0B00 032A R/W
0x0B00 032C R/W
0x0B00 032E R/W
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CHAPTER 13 GENERAL PURPOSE I/O UNIT (GIU)
Table 13-11. GIU Registers (1/2)
Register symbol
GPMD0REG GPIO Mode 0 register
GPMD1REG GPIO Mode 1 register
GPMD2REG GPIO Mode 2 register
GPMD3REG GPIO Mode 3 register
GPDATHREG GPIO data high register
GPDATLREG GPIO data low register
GPINTEN GPIO interrupt enable register
GPINTMSK GPIO interrupt mask register
GPINTTYPH GPIO interrupt type high register
GPINTTYPL GPIO interrupt type low register
GPINTSTAT GPIO interrupt status register
GPHIBSTH GPIO Hibernate pin status high register
GPHIBSTL GPIO Hibernate pin status low register
GPSICTL GPIO serial interface control register
KEYEN Keyboard scan pin enable register
PCS0STRA Programmable chip select 0 start address register
PCS0STPA Programmable chip select 0 stop address register
PCS0HIA Programmable chip select 0 high address register
PCS1STRA Programmable chip select 1 start address register
PCS1STPA Programmable chip select 1 stop address register
PCS1HIA Programmable chip select 1 high address register
PCSMODE Programmable chip select mode register
LCDGPMODE LCD general-purpose mode register
User's Manual U14272EJ3V0UM
Function