C8051F02X Datasheet, PDF (111/272 Pages) Silicon Laboratories – 8K ISP FLASH MCU Family

C8051F020/1/2/3
Table 12.3. Special Function Registers
SFRs are listed in alphabetical order. All undefined SFR locations are reserved.
Register
Address Description
†P6
0x86
Port 6 Latch
†P7
0x96
Port 7 Latch
†P74OUT
0xB5
Port 4 through 7 Output Mode
PCA0CN
0xD8
PCA Control
PCA0CPH0
0xFA
PCA Capture 0 High
PCA0CPH1
0xFB
PCA Capture 1 High
PCA0CPH2
0xFC
PCA Capture 2 High
PCA0CPH3
0xFD
PCA Capture 3 High
PCA0CPH4
0xFE
PCA Capture 4 High
PCA0CPL0
0xEA
PCA Capture 0 Low
PCA0CPL1
0xEB
PCA Capture 1 Low
PCA0CPL2
0xEC
PCA Capture 2 Low
PCA0CPL3
0xED
PCA Capture 3 Low
PCA0CPL4
0xEE
PCA Capture 4 Low
PCA0CPM0
0xDA
PCA Module 0 Mode Register
PCA0CPM1
0xDB
PCA Module 1 Mode Register
PCA0CPM2
0xDC
PCA Module 2 Mode Register
PCA0CPM3
0xDD
PCA Module 3 Mode Register
PCA0CPM4
0xDE
PCA Module 4 Mode Register
PCA0H
0xF9
PCA Counter High
PCA0L
0xE9
PCA Counter Low
PCA0MD
0xD9
PCA Mode
PCON
0x87
Power Control
PSCTL
0x8F
Program Store R/W Control
PSW
0xD0
Program Status Word
RCAP2H
0xCB
Timer/Counter 2 Capture High
RCAP2L
0xCA
Timer/Counter 2 Capture Low
RCAP4H
0xE5
Timer/Counter 4 Capture High
RCAP4L
0xE4
Timer/Counter 4 Capture Low
REF0CN
0xD1
Programmable Voltage Reference Control
RSTSRC
0xEF
Reset Source Register
SADDR0
0xA9
UART0 Slave Address
SADDR1
0xF3
UART1 Slave Address
SADEN0
0xB9
UART0 Slave Address Enable
SADEN1
0xAE
UART1 Slave Address Enable
SBUF0
0x99
UART0 Data Buffer
SBUF1
0xF2
UART1 Data Buffer
SCON0
0x98
UART0 Control
SCON1
0xF1
UART1 Control
SMB0ADR
0xC3
SMBus Slave Address
SMB0CN
0xC0
SMBus Control
SMB0CR
0xCF
SMBus Clock Rate
SMB0DAT
0xC2
SMBus Data
SMB0STA
0xC1
SMBus Status
SP
0x81
Stack Pointer
Rev. 1.4
Page No.
page 181†
page 181†
page 179†
page 259
page 263
page 263
page 263
page 263
page 263
page 263
page 263
page 263
page 263
page 263
page 261
page 261
page 261
page 261
page 261
page 262
page 262
page 260
page 126
page 144
page 114
page 239
page 239
page 248
page 248
page 92†, page 94††
page 132
page 214
page 224
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page 224
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