![](http://datasheet.mmic.net.cn/370000/UPD70F3214HGC-8EU_datasheet_16743828/UPD70F3214HGC-8EU_78.png)
CHAPTER 3 CPU FUNCTIONS
User’s Manual U16890EJ1V0UD
78
(3/10)
Operable Bit Unit
Address
Function Register Name
Symbol
R/W
1
8
16
After Reset
FFFFF280H
D/A conversion value setting register 0
DACS0
R/W
√
√
√
√
√
√
00H
FFFFF282H
D/A conversion value setting register 1
DACS1
R/W
00H
FFFFF284H
D/A converter mode register
DAM
R/W
√
√
√
√
00H
FFFFF300H
Key return mode register
KRM
R/W
00H
FFFFF400H
Port 0 register
P0
R/W
00H
Note
FFFFF402H
Port 1 register
P1
R/W
00H
Note
FFFFF406H
Port 3 register
P3
R/W
√
0000H
Note
FFFFF406H
Port 3 register L
P3L
R/W
√
√
√
√
√
√
√
√
√
00H
Note
FFFFF407H
Port 3 register H
P3H
R/W
00H
Note
FFFFF408H
Port 4 register
P4
R/W
00H
Note
FFFFF40AH
Port 5 register
P5
R/W
00H
Note
FFFFF40EH
Port 7 register
P7
R
Undefined
FFFFF412H
Port 9 register
P9
R/W
√
0000H
Note
FFFFF412H
Port 9 register L
P9L
R/W
√
√
√
√
√
√
√
√
00H
Note
FFFFF413H
Port 9 register H
P9H
R/W
00H
Note
FFFFF420H
Port 0 mode register
PM0
R/W
FFH
FFFFF422H
Port 1 mode register
PM1
R/W
FFH
FFFFF426H
Port 3 mode register
PM3
R/W
√
FFFFH
FFFFF426H
Port 3 mode register L
PM3L
R/W
√
√
√
√
√
√
√
√
FFH
FFFFF427H
Port 3 mode register H
PM3H
R/W
FFH
FFFFF428H
Port 4 mode register
PM4
R/W
FFH
FFFFF42AH
Port 5 mode register
PM5
R/W
FFH
FFFFF432H
Port 9 mode register
PM9
R/W
√
FFFFH
FFFFF432H
Port 9 mode register L
PM9L
R/W
√
√
√
√
√
√
FFH
FFFFF433H
Port 9 mode register H
PM9H
R/W
FFH
FFFFF440H
Port 0 mode control register
PMC0
R/W
00H
FFFFF446H
Port 3 mode control register
PMC3
R/W
√
0000H
FFFFF446H
Port 3 mode control register L
PMC3L
R/W
√
√
√
√
√
√
√
√
00H
FFFFF447H
Port 3 mode control register H
PMC3H
R/W
00H
FFFFF448H
Port 4 mode control register
PMC4
R/W
00H
FFFFF44AH
Port 5 mode control register
PMC5
R/W
00H
FFFFF452H
Port 9 mode control register
PMC9
R/W
√
0000H
FFFFF452H
Port 9 mode control register L
PMC9L
R/W
√
√
√
√
√
√
√
√
00H
FFFFF453H
Port 9 mode control register H
PMC9H
R/W
00H
FFFFF466H
Port 3 function control register
PFC3
R/W
00H
FFFFF46AH
Port 5 function control register
PFC5
R/W
00H
FFFFF472H
Port 9 function control register
PFC9
R/W
√
0000H
FFFFF472H
Port 9 function control register L
PFC9L
R/W
√
√
√
√
00H
FFFFF473H
Port 9 function control register H
PFC9H
R/W
00H
FFFFF484H
Data wait control register 0
DWC0
R/W
√
√
√
7777H
FFFFF488H
Address wait control register
AWC
R/W
FFFFH
FFFFF48AH
Bus cycle control register
BCC
R/W
AAAAH
Note
The output latch is 00H or 0000H. When input, the pin status is read.