C8051F340 Datasheet, PDF (82/282 Pages) List of Unclassifed Manufacturers – Full Speed USB Flash MCU Family

C8051F340/1/2/3/4/5/6/7
Table 9.3. Special Function Registers
SFRs are listed in alphabetical order. All undefined SFR locations are reserved.
Register Address
Description
ACC
0xE0
Accumulator
ADC0CF 0xBC
ADC0 Configuration
ADC0CN 0xE8
ADC0 Control
ADC0GTH 0xC4
ADC0 Greater-Than Compare High
ADC0GTL 0xC3
ADC0 Greater-Than Compare Low
ADC0H
0xBE
ADC0 High
ADC0L
0xBD
ADC0 Low
ADC0LTH 0xC6
ADC0 Less-Than Compare Word High
ADC0LTL 0xC5
ADC0 Less-Than Compare Word Low
AMX0N
0xBA
AMUX0 Negative Channel Select
AMX0P
0xBB
AMUX0 Positive Channel Select
B
0xF0
B Register
CKCON
0x8E
Clock Control
CLKMUL 0xB9
Clock Multiplier
CLKSEL 0xA9
Clock Select
CPT0CN 0x9B
Comparator0 Control
CPT0MD 0x9D
Comparator0 Mode Selection
CPT0MX 0x9F
Comparator0 MUX Selection
CPT1CN 0x9A
Comparator1 Control
CPT1MD 0x9C
Comparator1 Mode Selection
CPT1MX 0x9E
Comparator1 MUX Selection
DPH
0x83
Data Pointer High
DPL
0x82
Data Pointer Low
EIE1
0xE6
Extended Interrupt Enable 1
EIE2
0xE7
Extended Interrupt Enable 2
EIP1
0xF6
Extended Interrupt Priority 1
EIP2
0xF7
Extended Interrupt Priority 2
EMI0CN 0xAA
External Memory Interface Control
EMI0CF
0x85
External Memory Interface Configuration
EMI0TC
0x84
External Memory Interface Timing
FLKEY
0xB7
Flash Lock and Key
FLSCL
0xB6
Flash Scale
IE
0xA8
Interrupt Enable
IP
0xB8
Interrupt Priority
IT01CF
0xE4
INT0/INT1 Configuration
OSCICL
0xB3
Internal Oscillator Calibration
OSCICN 0xB2
Internal Oscillator Control
OSCLCN 0x86
Internal Low-Frequency Oscillator Control
OSCXCN 0xB1
External Oscillator Control
P0
0x80
Port 0 Latch
P0MDIN 0xF1
Port 0 Input Mode Configuration
P0MDOUT 0xA4
Port 0 Output Mode Configuration
P0SKIP
0xD4
Port 0 Skip
P1
0x90
Port 1 Latch
82
Rev. 0.5
Page
86
50
51
52
52
50
50
53
53
49
48
87
249
142
144
62
64
63
65
67
66
85
85
92
94
93
94
120
121
126
114
115
90
91
95
137
136
138
141
154
154
155
155
156