C8051F709-GQR Silicon Labs, C8051F709-GQR Datasheet - Page 202

• Manufacturer Part Number: C8051F709-GQR
• Description: 8-bit Microcontrollers - MCU 8kB 32B EEPROM Cap Sense
• Manufacturer: Silicon Labs

Specifications of C8051F709-GQR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

C8051F70x/71x
SFR Definition 28.21. P2DRV: Port 2 Drive Strength
SFR Address = 0xFB; SFR Page = F
SFR Definition 28.22. P3: Port 3
SFR Address = 0xB0; SFR Page = All Pages; Bit Addressable
202
Name
Reset
Name
Reset
7:0
7:0
Bit
Bit
Type
Type
Bit
Bit
P3[7:0]
P2DRV[7:0]
Name
Name
7
0
7
1
Port 3 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 P2.7–P2.0 (respectively).
Configures digital I/O Port cells to high or low output drive strength.
0: Corresponding P2.n Output has low output drive strength.
1: Corresponding P2.n Output has high output drive strength.
6
0
6
1
Description
5
0
5
1
Rev. 1.0
0: Set output latch to logic
LOW.
1: Set output latch to logic
HIGH.
4
0
4
1
P2DRV[7:0]
P3[7:0]
R/W
R/W
Function
Write
3
0
3
1
2
0
2
1
0: P3.n Port pin is logic
LOW.
1: P3.n Port pin is logic
HIGH.
1
0
1
1
Read
0
0
0
1