C8051F39x/37x
Table 19.3. Special Function Registers (Continued)
SFRs are listed in alphabetical order. All undefined SFR locations are reserved
Register
SMB1CF
SMB1CN
SMB1DAT
SMBTC
SN0
Address SFR Page Description
Page
0xC1
0xC0
0xC2
0xC7
0xAB
0xAC
0xAD
0xAE
0x81
0xA1
0xA2
0xF8
0xA3
0x88
0x8C
0x8D
0x8A
0x8B
0x89
0xC8
0xCD
0xCC
0xCB
0xCA
0x91
0x95
0x94
0x93
0x92
0x91
0x95
0x94
0x93
0x92
F
F
F
SMBus1 Configuration
SMBus1 Control
SMBus1 Data
197
201
208
198
98
All Pages SMBus Timing Control
F
F
F
F
Serial Number Byte 0
Serial Number Byte 1
Serial Number Byte 2
Serial Number Byte 3
97
SN1
97
SN2
96
SN3
All Pages Stack Pointer
87
SP
All Pages SPI Configuration
All Pages SPI Clock Rate Control
All Pages SPI Control
233
235
234
236
247
250
250
249
249
248
254
256
255
255
255
260
262
261
261
261
265
267
266
266
266
SPI0CFG
SPI0CKR
SPI0CN
SPI0DAT
TCON
All Pages SPI Data
All Pages Timer/Counter Control
All Pages Timer/Counter 0 High
All Pages Timer/Counter 1 High
All Pages Timer/Counter 0 Low
All Pages Timer/Counter 1 Low
All Pages Timer/Counter Mode
TH0
TH1
TL0
TL1
TMOD
0
0
0
0
0
0
0
0
0
0
F
F
F
F
F
Timer/Counter 2 Control
Timer/Counter 2 High
TMR2CN
TMR2H
TMR2L
TMR2RLH
TMR2RLL
TMR3CN
TMR3H
TMR3L
TMR3RLH
TMR3RLL
TMR4CN
TMR4H
TMR4L
TMR4RLH
TMR4RLL
Timer/Counter 2 Low
Timer/Counter 2 Reload High
Timer/Counter 2 Reload Low
Timer/Counter 3 Control
Timer/Counter 3 High
Timer/Counter 3 Low
Timer/Counter 3 Reload High
Timer/Counter 3 Reload Low
Timer/Counter 4 Control
Timer/Counter 4 High
Timer/Counter 4 Low
Timer/Counter 4 Reload High
Timer/Counter 4 Reload Low
Preliminary Rev. 0.71
113