C8051F331 Silicon Laboratories Inc, C8051F331 Datasheet - Page 74

• Manufacturer Part Number: C8051F331
• Description: IC 8051 MCU 8K FLASH 20MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F33xr

Specifications of C8051F331

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

C8051F330/1, C8051F330D
Table 9.3. Special Function Registers (Continued)
74
SFRs are listed in alphabetical order. All undefined SFR locations are reserved
Register
ADC0LTH
ADC0LTL
AMX0N
AMX0P
B
CKCON
CLKSEL
CPT0CN
CPT0MD
CPT0MX
DPH
DPL
EIE1
EIP1
EMI0CN
FLKEY
FLSCL
IDA0CN
IDA0H
IDA0L
IE
IP
IT01CF
OSCICL
OSCICN
OSCLCN
OSCXCN
P0
P0MDIN
P0MDOUT
P0SKIP
P1
P1MDIN
P1MDOUT
P1SKIP
P2
P2MDOUT
PCA0CN
PCA0CPH0
PCA0CPH1
PCA0CPH2
PCA0CPL0
PCA0CPL1
PCA0CPL2
PCA0CPM0
Address
0xEC
0xDA
0xC6
0xC5
0xBA
0xBB
0x9D
0xAA
0xD4
0xD5
0xD8
0xFC
0xEA
0xFB
0xEB
0xF0
0x8E
0xA9
0x9B
0x9F
0x83
0x82
0xE6
0xF6
0xB7
0xB6
0xB9
0x97
0x96
0xA8
0xB8
0xE4
0xB3
0xB2
0xE3
0xB1
0x80
0xF1
0xA4
0x90
0xF2
0xA5
0xA0
0xA6
0xE9
Description
ADC0 Less-Than Compare Word High
ADC0 Less-Than Compare Word Low
AMUX0 Negative Channel Select
AMUX0 Positive Channel Select
B Register
Clock Control
Clock Select
Comparator0 Control
Comparator0 Mode Selection
Comparator0 MUX Selection
Data Pointer High
Data Pointer Low
Extended Interrupt Enable 1
Extended Interrupt Priority 1
External Memory Interface Control
Flash Lock and Key
Flash Scale
Current Mode DAC0 Control
Current Mode DAC0 High
Current Mode DAC0 Low
Interrupt Enable
Interrupt Priority
INT0/INT1 Configuration
Internal Oscillator Calibration
Internal Oscillator Control
Low-Frequency Oscillator Control
External Oscillator Control
Port 0 Latch
Port 0 Input Mode Configuration
Port 0 Output Mode Configuration
Port 0 Skip
Port 1 Latch
Port 1 Input Mode Configuration
Port 1 Output Mode Configuration
Port 1 Skip
Port 2 Latch
Port 2 Output Mode Configuration
PCA Control
PCA Capture 0 High
PCA Capture 1 High
PCA Capture 2 High
PCA Capture 0 Low
PCA Capture 1 Low
PCA Capture 2 Low
PCA Module 0 Mode Register
Rev. 1.2
Page
46
46
42
41
78
177
111
61
63
62
76
76
84
85
101
99
100
53
53
54
82
83
86
104
104
105
107
120
120
121
121
121
122
122
122
123
123
200
203
203
203
203
203
203
202