C8051F39x/37x
Table 19.3. Special Function Registers
SFRs are listed in alphabetical order. All undefined SFR locations are reserved
Register
ACC
Address SFR Page Description
Page
0xE0
0xBC
0xE8
0xC4
0xC3
0xBE
0xBD
0xC6
0xC5
0xBA
0xBB
0xF0
0x8E
0xF4
0xA9
0x9B
0x9D
0x9F
0xDD
0xDF
0xDE
0x9E
0x9A
0x9C
0xAB
0x83
0x82
0xE6
0xAF
0xF6
0x85
0xBF
0x86
All Pages Accumulator
87
All Pages ADC0 Configuration
All Pages ADC0 Control
53
55
ADC0CF
ADC0CN
ADC0GTH
ADC0GTL
ADC0H
ADC0L
ADC0LTH
ADC0LTL
AMX0N
AMX0P
B
All Pages ADC0 Greater-Than Compare High
All Pages ADC0 Greater-Than Compare Low
All Pages ADC0 High
56
56
54
All Pages ADC0 Low
54
All Pages ADC0 Less-Than Compare Word High
All Pages ADC0 Less-Than Compare Word Low
All Pages AMUX0 Negative Channel Select
All Pages AMUX0 Positive Channel Select
All Pages B Register
57
57
61
60
88
All Pages Clock Control
241
242
163
76
CKCON
CKCON1
CLKSEL
CPT0CN
CPT0MD
CPT0MX
CRC0AUTO
CRC0CN
CRC0CNT
CRC0DAT
CRC0FLIP
CRC0IN
DERIVID
DPH
All Pages Clock Control 1
All Pages Clock Select
All Pages Comparator0 Control
All Pages Comparator0 Mode Selection
All Pages Comparator0 MUX Selection
All Pages CRC0 Automatic Control
All Pages CRC0 Control
77
79
150
148
151
149
152
149
95
All Pages CRC0 Automatic Flash Sector Count
All Pages CRC0 Data Output
All Pages CRC0 Bit Flip
All Pages CRC0 Data Input
0
Device Derivative ID
All Pages Data Pointer High
86
All Pages Data Pointer Low
86
DPL
All Pages Extended Interrupt Enable 1
All Pages Extended Interrupt Enable 2
All Pages Extended Interrupt Priority 1
All Pages Extended Interrupt Priority 1 High
All Pages Extended Interrupt Priority 2
All Pages Extended Interrupt Priority 2 High
121
124
122
123
125
125
EIE1
EIE2
EIP1
EIP1H
EIP2
EIP2H
110
Preliminary Rev. 0.71
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