C8051F045R Silicon Labs, C8051F045R Datasheet - Page 51

• Manufacturer Part Number: C8051F045R
• Description: 8-bit Microcontrollers - MCU 25 MIPS 64KB 10ADC
• Manufacturer: Silicon Labs

Specifications of C8051F045R

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 4.25 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: 13
• Data Rom Size: 64 KB
• Interface Type: CAN, 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: 2.7 V

Bit7:
Bit6:
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
Note:Any number of Port 3 pins may be selected simultaneously inputs to the AMUX. Odd numbered and even
PAIN7EN PAIN6EN PAIN5EN PAIN4EN PAIN3EN PAIN2EN PAIN1EN PAIN0EN 00000000
R/W
Bit7
numbered pins that are selected simultaneously are shorted together as “wired-OR”.
PAIN7EN: Pin 7 Analog Input Enable Bit
0: P3.7 is not selected as an analog input to the AMUX.
1: P3.7 is selected as an analog input to the AMUX.
PAIN6EN: Pin 6 Analog Input Enable Bit
0: P3.6 is not selected as an analog input to the AMUX.
1: P3.6 is selected as an analog input to the AMUX.
PAIN5EN: Pin 5 Analog Input Enable Bit
0: P3.5 is not selected as an analog input to the AMUX.
1: P3.5 is selected as an analog input to the AMUX.
PAIN4EN: Pin 4 Analog Input Enable Bit
0: P3.4 is not selected as an analog input to the AMUX.
1: P3.4 is selected as an analog input to the AMUX.
PAIN3EN: Pin 3 Analog Input Enable Bit
0: P3.3 is not selected as an analog input to the AMUX.
1: P3.3 is enabled as an analog input to the AMUX.
PAIN2EN: Pin 2 Analog Input Enable Bit
0: P3.2 is not selected as an analog input to the AMUX.
1: P3.2 is enabled as an analog input to the AMUX.
PAIN1EN: Pin 1 Analog Input Enable Bit
0: P3.1 is not selected as an analog input to the AMUX.
1: P3.1 is enabled as an analog input to the AMUX.
PAIN0EN: Pin 0 Analog Input Enable Bit
0: P3.0 is not selected as an analog input to the AMUX.
1: P3.0 is enabled as an analog input to the AMUX.
R/W
Bit6
SFR Definition 5.3. AMX0PRT: Port 3 Pin Selection
R/W
Bit5
R/W
Bit4
Rev. 1.5
R/W
Bit3
C8051F040/1/2/3/4/5/6/7
R/W
Bit2
R/W
Bit1
SFR Address:
SFR Page:
R/W
Bit0
0xBD
0
Reset Value
51