C8051F021 Silicon Laboratories Inc, C8051F021 Datasheet - Page 48

• Manufacturer Part Number: C8051F021
• Description: IC 8051 MCU 64K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F02xr

Specifications of C8051F021

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• 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: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 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: -

C8051F020/1
48
Bits7-4:
Bits3-0:
R/W
Bit7
-
0000
0001
0010
0100
0101
1000
1001
1010
0011
0110
0111
1011
1100
1101
1110
1111
Figure 5.6. AMX0SL: AMUX0 Channel Select Register (C8051F020/1)
UNUSED. Read = 0000b; Write = don’t care
AMX0AD3-0: AMX0 Address Bits
0000-1111b: ADC Inputs selected per chart below
+(AIN0)
+(AIN0)
+(AIN0)
+(AIN0)
+(AIN0)
+(AIN0)
+(AIN0)
+(AIN0)
-(AIN1)
-(AIN1)
-(AIN1)
-(AIN1)
-(AIN1)
-(AIN1)
-(AIN1)
-(AIN1)
0000
AIN0
AIN0
AIN0
AIN0
AIN0
AIN0
AIN0
AIN0
R/W
Bit6
-
0001
AIN1
AIN1
AIN1
AIN1
AIN1
AIN1
AIN1
AIN1
R/W
Bit5
-
+(AIN2)
+(AIN2)
+(AIN2)
+(AIN2)
+(AIN2)
+(AIN2)
+(AIN2)
+(AIN2)
-(AIN3)
-(AIN3)
-(AIN3)
-(AIN3)
-(AIN3)
-(AIN3)
-(AIN3)
-(AIN3)
0010
AIN2
AIN2
AIN2
AIN2
AIN2
AIN2
AIN2
AIN2
R/W
Bit4
-
0011
AIN3
AIN3
AIN3
AIN3
AIN3
AIN3
AIN3
AIN3
AMX0AD3 AMX0AD2 AMX0AD1 AMX0AD0 00000000
Rev. 1.4
R/W
Bit3
AMX0AD3-0
+(AIN4)
+(AIN4)
+(AIN4)
+(AIN4)
+(AIN4)
+(AIN4)
+(AIN4)
+(AIN4)
-(AIN5)
-(AIN5)
-(AIN5)
-(AIN5)
-(AIN5)
-(AIN5)
-(AIN5)
-(AIN5)
0100
AIN4
AIN4
AIN4
AIN4
AIN4
AIN4
AIN4
AIN4
R/W
Bit2
0101
AIN5
AIN5
AIN5
AIN5
AIN5
AIN5
AIN5
AIN5
R/W
Bit1
+(AIN6)
+(AIN6)
+(AIN6)
+(AIN6)
+(AIN6)
+(AIN6)
+(AIN6)
+(AIN6)
-(AIN7)
-(AIN7)
-(AIN7)
-(AIN7)
-(AIN7)
-(AIN7)
-(AIN7)
-(AIN7)
0110
AIN6
AIN6
AIN6
AIN6
AIN6
AIN6
AIN6
AIN6
R/W
Bit0
0111
AIN7
AIN7
AIN7
AIN7
AIN7
AIN7
AIN7
AIN7
SFR Address:
Reset Value
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
TEMP
0xBB
1xxx