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| 型號： | mPD789326GB-xxx-8ET |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存 |
| 文件頁數(shù)： | 18/96頁 |
| 文件大?。?/td> | 482K |
| 代理商： | MPD789326GB-XXX-8ET |
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Preliminary Product Information U14673EJ1V0PM00
18
μ
PD789322,789324,789326,789327
4.3.3 Special function registers (SFRs)
Special function registers are used as peripheral hardware mode registers and control registers, and are mapped
in the 256-byte space from FF00H to FFFFH.
Note that the bit number of a bit name that is a reserved word in the RA78K0S and defined under the header file
“sfrbit.h” in the CC78K0S appears enclosed in a circle in the register formats. Refer to the register formats in
5.
PERIPHERAL HARDWARE FUNCTIONS
.
Table 4-1. Special Function Registers (1/2)
Bit Unit for Manipulation
Address
Special Function Register (SFR) Name
Symbol
R/W
1 Bit
8 Bits
16 Bits
After
Reset
FF00H
Port 0
P0
√
√
FF01H
Port 1
P1
√
√
FF02H
Port 2
√
√
FF03H
port 4
P4
√
√
FF05H
Port 6
P6
√
√
FF08H
Port 8
P8
√
√
00H
FF20H
Port mode register 0
PM0
√
√
FF21H
Port mode register 1
PM1
√
√
FF22H
Port mode register 2
PM2
√
√
FF24H
Port mode register 4
PM4
√
√
FF26H
Port mode register 6
PM6
√
√
FF28H
Port mode register 8
PM8
√
√
FFH
FF32H
Pull-up resistor option register B2
PUB2
√
√
FF4AH
Watch timer mode control register
WTM
√
√
FF58H
Port function register 8
PF8
R/W
√
√
00H
FF63H
8-bit compare register 30
CR30
W
√
Undefined
FF64H
8-bit timer counter 30
TM30
R
√
FF65H
8-bit timer mode control register 30
TMC30
R/W
√
√
00H
FF66H
8-bit compare register 40
CR40
√
FF67H
8-bit H width compare register 40
CRH40
W
√
Undefined
FF68H
8-bit timer counter 40
TM40
R
√
FF69H
8-bit timer mode control register 40
TMC40
R/W
√
√
FF6AH
Carrier generator output control register 40
TCA40
W
√
FF72H
Serial operation mode register 10
CSIM10
√
√
00H
FF74H
Transmission/reception shift register 10
SIO10
√
√
Undefined
FFB0H
LCD display mode register 0
LCDM0
√
√
FFB2H
LCD clock control register 0
LCDC0
√
√
00H
FFDDH Power-on-clear register 1
POCF1
R/W
√
√
00H
Note
Note
This value is 04H only after a power-on-clear reset.
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