C8051F131R Silicon Labs, C8051F131R Datasheet - Page 79

• Manufacturer Part Number: C8051F131R
• Description: 8-bit Microcontrollers - MCU 128kB 100MIPS 8448B RAM
• Manufacturer: Silicon Labs

Specifications of C8051F131R

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 100 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 8.25 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.7 V to 3.6 V
• Package / Case: TQFP-64
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 9
• Data Rom Size: 64 KB
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 32
• Number Of Timers: 16 bit
• Processor Series: C8051
• Program Memory Type: Flash
• Factory Pack Quantity: 500
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 3 V

Bits7–4: UNUSED. Read = 0000b; Write = don’t care.
Bits3–0: AMX0AD3–0: AMX0 Address Bits.
SFR Page:
SFR Address:
R/W
Bit7
0000
0001
0010
0011
0100
0101
0110
1000
1001
1010
1011
1100
1101
0111
1110
1111
-
0000-1111b: ADC Inputs selected per chart below.
0
0xBB
+(AIN0.0)
+(AIN0.0)
+(AIN0.0)
+(AIN0.0)
+(AIN0.0)
+(AIN0.0)
+(AIN0.0)
+(AIN0.0)
–(AIN0.1)
–(AIN0.1)
–(AIN0.1)
–(AIN0.1)
–(AIN0.1)
–(AIN0.1)
–(AIN0.1)
–(AIN0.1)
AIN0.0
AIN0.0
AIN0.0
AIN0.0
AIN0.0
AIN0.0
AIN0.0
AIN0.0
0000
R/W
Bit6
SFR Definition 6.2. AMX0SL: AMUX0 Channel Select
-
AIN0.1
AIN0.1
AIN0.1
AIN0.1
AIN0.1
AIN0.1
AIN0.1
AIN0.1
0001
R/W
Bit5
-
+(AIN0.2)
–(AIN0.3)
+(AIN0.2)
–(AIN0.3)
+(AIN0.2)
–(AIN0.3)
+(AIN0.2)
–(AIN0.3)
+(AIN0.2)
–(AIN0.3)
+(AIN0.2)
–(AIN0.3)
+(AIN0.2)
–(AIN0.3)
+(AIN0.2)
–(AIN0.3)
AIN0.2
AIN0.2
AIN0.2
AIN0.2
AIN0.2
AIN0.2
AIN0.2
AIN0.2
0010
R/W
Bit4
-
AIN0.3
AIN0.3
AIN0.3
AIN0.3
AIN0.3
AIN0.3
AIN0.3
AIN0.3
0011
AMX0AD3 AMX0AD2 AMX0AD1 AMX0AD0 00000000
Rev. 1.4
R/W
AMX0AD3-0
Bit3
+(AIN0.4)
–(AIN0.5)
+(AIN0.4)
–(AIN0.5)
+(AIN0.4)
–(AIN0.5)
+(AIN0.4)
–(AIN0.5)
+(AIN0.4)
–(AIN0.5)
+(AIN0.4)
–(AIN0.5)
+(AIN0.4)
–(AIN0.5)
+(AIN0.4)
–(AIN0.5)
AIN0.4
AIN0.4
AIN0.4
AIN0.4
AIN0.4
AIN0.4
AIN0.4
AIN0.4
0100
C8051F120/1/2/3/4/5/6/7
R/W
Bit2
AIN0.5
AIN0.5
AIN0.5
AIN0.5
AIN0.5
AIN0.5
AIN0.5
AIN0.5
0101
C8051F130/1/2/3
+(AIN0.6)
+(AIN0.6)
+(AIN0.6)
+(AIN0.6)
+(AIN0.6)
+(AIN0.6)
+(AIN0.6)
+(AIN0.6)
–(AIN0.7)
–(AIN0.7)
–(AIN0.7)
–(AIN0.7)
–(AIN0.7)
–(AIN0.7)
–(AIN0.7)
–(AIN0.7)
R/W
Bit1
AIN0.6
AIN0.6
AIN0.6
AIN0.6
AIN0.6
AIN0.6
AIN0.6
AIN0.6
0110
AIN0.7
AIN0.7
AIN0.7
AIN0.7
AIN0.7
AIN0.7
AIN0.7
AIN0.7
0111
R/W
Bit0
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
Reset Value
1xxx
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
79