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| 型号： | R3F10011NXXXSP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | MROM, 8 MHz, MICROCONTROLLER, PDSO20 |
| 封装： | 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20 |
| 文件页数： | 19/30页 |
| 文件大小： | 229K |
| 代理商： | R3F10011NXXXSP |
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R38F1 Group, R38F2 Group, R38F3 Group
4. Special Function Registers (SFRs)
REJ03B0226-0001 Rev.0.01
Nov 21, 2007
Page 26 of 28
Under development Preliminary specification
Notice: This is not a final specification. Some parametric limits are subject to change.
4.
Special Function Registers (SFRs)
An SFR (special function register) is a control register for a peripheral function. Tables 4.1 and 4.2 list the special
function registers.
Table 4.1
SFR Information (1) (1)
X: Undefined
Note:
1.
Blank spaces are reserved. Do not access the reserved area.
Address
Register
Symbol
After Reset
0000h
Port P0 Register
P0
XXh
0001h
Port P0 Direction Register
P0D
00h
0002h
Port P1 Register
P1
XXh
0003h
Port P1 Direction Register
P1D
00h
0004h
Port P2 Register
P2
XXh
0005h
Port P2 Direction Register
P2D
00h
0006h
Port P3 Register
P3
XXh
0007h
Port P3 Direction Register
P3D
00h
0008h
0009h
000Ah
000Bh
000Ch
Port P0 Drive Capacity Control Register
DCCR
00h
000Dh
Port P0 Pull-Up Control Register
PULL0
00h
000Eh
Port P1 Pull-Up Control Register
PULL1
00h
000Fh
Key Input Register
KEYEN
00h
0010h
Capture/Compare Low-Order Register
CAPL/CMPL
00h
0011h
Capture/Compare High-Order Register
CAPH/CMPH
00h
0012h
Capture/Compare RW Pointer Register
CCRP
00h
0013h
Compare Output Mode Register
CMOM
00h
0014h
Timer A Low-Order Register
TAL
FFh
0015h
Timer A High-Order Register
TAH
FFh
0016h
0017h
0018h
Transmit/Receive Buffer Register 1
TB1/RB1
XXh
0019h
Serial I/O1 Status Register
SIO1STS
80h
001Ah
Serial I/O1 Control Register
SIO1CON
00h
001Bh
UART1 Control Register
UART1CON
E0h
001Ch
Bit Rate Register 1
BRG1
XXh
001Dh
001Eh
001Fh
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