C8051F311 Silicon Laboratories Inc, C8051F311 Datasheet - Page 58

• Manufacturer Part Number: C8051F311
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F31xr

Specifications of C8051F311

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 25
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 17x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

C8051F310/1/2/3/4/5/6/7
58
Bits7–5: UNUSED. Read = 000b; Write = don’t care.
Bits4–0: AMX0N4–0: AMUX0 Negative Input Selection.
Bit7
R
-
Note that when GND is selected as the Negative Input, ADC0 operates in Single-ended
mode. For all other Negative Input selections, ADC0 operates in Differential mode.
Notes:
SFR Definition 5.2. AMX0N: AMUX0 Negative Channel Select
10101–11101
1. Only applies to C8051F310/1/2/3/4/5; selection
2. Only applies to C8051F310/2; selection RESERVED on
AMX0N4–0
Bit6
R
10001
10010
10011
10100
-
00000
00001
00010
00011
00100
00101
00110
01000
01001
01010
01011
01100
01101
10000
RESERVED on C8051F316/7 devices.
C8051F311/3/6/7 devices.
00111
01110
01111
11110
11111
(2)
(2)
(2)
(2)
Bit5
R
-
GND (ADC in Single-Ended Mode)
AMX0N4 AMX0N3 AMX0N2 AMX0N1 AMX0N0 00000000
R/W
Bit4
ADC0 Negative Input
RESERVED
Rev. 1.7
P1.6
P1.7
P2.6
P2.7
P3.1
P3.2
P3.3
P3.4
VREF
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P3.0
R/W
Bit3
(1)
(1)
(1)
(1)
(2)
(2)
(2)
(2)
R/W
Bit2
R/W
Bit1
R/W
Bit0
SFR Address:
Reset Value
0xBA