C8051F986-GUR Silicon Labs, C8051F986-GUR Datasheet - Page 88

• Manufacturer Part Number: C8051F986-GUR
• Description: 8-bit Microcontrollers - MCU 8kB 512B RAM 12b ADC
• Manufacturer: Silicon Labs

Specifications of C8051F986-GUR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

C8051F99x-C8051F98x
SFR Definition 5.15. REF0CN: Voltage Reference Control
SFR Page = 0x0; SFR Address = 0xD3
5.14. Voltage Reference Electrical Specifications
See Table 4.12 on page 59 for detailed Voltage Reference Electrical Specifications.
88
Name
Reset
Type
7:6
4:3
1:0
Bit
Bit
5
2
REFGND Analog Ground Reference.
Unused
TEMPE
Unused
REFSL
Name
R
7
0
Read = 00b; Write = Don’t Care.
Selects the ADC0 ground reference.
0: The ADC0 ground reference is the GND pin.
1: The ADC0 ground reference is the P0.1/AGND pin.
Voltage Reference Select.
Selects the ADC0 voltage reference.
00: The ADC0 voltage reference is the P0.0/VREF pin.
01: The ADC0 voltage reference is the VDD pin.
10: The ADC0 voltage reference is the internal 1.8 V digital supply voltage.
11: The ADC0 voltage reference is the internal 1.65 V high speed voltage reference.
Temperature Sensor Enable.
Enables/Disables the internal temperature sensor.
0: Temperature Sensor Disabled.
1: Temperature Sensor Enabled.
Read = 00b; Write = Don’t Care.
R
6
0
REFGND
R/W
5
0
R/W
Rev. 1.1
4
1
REFSL
Function
R/W
3
1
TEMPE
R/W
2
0
R
1
0
R
0
0