C8051F121 Silicon Laboratories Inc, C8051F121 Datasheet - Page 61

• Manufacturer Part Number: C8051F121
• Description: IC 8051 MCU FLASH 128K 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F12xr

Specifications of C8051F121

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 100MHz
• Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 32
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8.25K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x8b, 8x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

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 5.2. 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
AMX0AD3–0
R/W
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
61