C8051F961-A-GM Silicon Labs, C8051F961-A-GM Datasheet - Page 375

• Manufacturer Part Number: C8051F961-A-GM
• Description: 8-bit Microcontrollers - MCU 128KB, DC-DC, LCD AES, QFN40
• Manufacturer: Silicon Labs

Specifications of C8051F961-A-GM

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 8448 B
• On-chip Adc: Yes
• Operating Supply Voltage: 2.5 V to 3.3 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: QFN-40
• Mounting Style: SMD/SMT
• Number Of Programmable I/os: 34
• Number Of Timers: 4

SFR Definition 27.30. P4DRV: Port4 Drive Strength
SFR Page = 0xF; SFR Address = 0xA2
SFR Definition 27.31. P5: Port5
SFR Page = 0xF; SFR Address = 0xDA
Name
Reset
Name
Reset
Type
Bit
7:0
Type
7:0
Bit
Bit
Bit
P4DRV[7:0]
P5[7:0]
Name
Name
7
0
7
1
Port 5 Data.
Sets the Port latch logic
value or reads the Port pin
logic state in Port cells con-
figured for digital I/O.
Drive Strength Configuration Bits for
Configures digital I/O Port cells to high or low output drive strength.
0: Corresponding P4.n Output has low output drive strength.
1: Corresponding P4.n Output has high output drive strength.
6
0
6
1
Description
5
0
5
1
Rev. 0.5
4
0
4
1
0: Set output latch to logic
LOW.
1: Set output latch to logic
HIGH.
P4DRV[7:0]
P5[7:0]
R/W
R/W
P4.7–P4.0 (respectively).
Function
Read
3
0
3
1
2
0
2
1
0: P5.n Port pin is logic
LOW.
1: P5.n Port pin is logic
HIGH.
C8051F96x
1
0
1
1
Write
0
0
0
1
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