Gpmd2Reg (0X0B00 0304) - NEC VR4181 mPD30181 User Manual

13.3.3 GPMD2REG (0x0B00 0304)

Bit 15
Name GP23MD1
R/W R/W
RTCRST 0
Note
Other resets
Bit 7
Name GP19MD1
R/W R/W
RTCRST 0
Other resets Note
Bit Name
15, 14 GP23MD(1:0)
13, 12 GP22MD(1:0)
11, 10 GP21MD(1:0)
9, 8 GP20MD(1:0)
7, 6 GP19MD(1:0)
Note Holds the value before reset
Caution LCD M output can not be used in the V
250
CHAPTER 13 GENERAL PURPOSE I/O UNIT (GIU)
14 13
GP23MD0 GP22MD1 GP22MD0
R/W R/W
0 0
Note Note
6 5
GP19MD0 GP18MD1 GP18MD0
R/W R/W
0 0
Note Note
These bits control direction and function of the GPIO23 pin as follows:
00 : General-purpose input
01 : RFU
10 : General-purpose output
11 : ROMCS1# output
These bits control direction and function of the GPIO22 pin as follows:
00 : General-purpose input
01 : RFU
10 : General-purpose output
11 : ROMCS0# output
These bits control direction and function of the GPIO21 pin as follows:
00 : General-purpose input
01 : RFU
10 : General-purpose output
11 : RESET# output
These bits control direction and function of the GPIO20 pin as follows:
00 : General-purpose input
01 : RFU
10 : LCD M output
11 : UBE# output
These bits control direction and function of the GPIO19 pin as follows:
00 : General-purpose input
01 : IOCS16# input
10 : General-purpose output
11 : RFU
4181 of Rev.1.0.
R
User's Manual U14272EJ3V0UM
12 11
GP21MD1 GP21MD0
R/W R/W R/W
0 0
Note Note Note
4 3
GP17MD1 GP17MD0
R/W R/W R/W
0 0
Note Note Note
Function
10 9 8
GP20MD1 GP20MD0
R/W R/W
0 0 0
Note Note
2 1 0
GP16MD1 GP16MD0
R/W R/W
0 0 0
Note Note
(1/2)