C8051F581-IMR Silicon Labs, C8051F581-IMR Datasheet - Page 209

• Manufacturer Part Number: C8051F581-IMR
• Description: 8-bit Microcontrollers - MCU 50MIPS 128kB 8kB SPI
• Manufacturer: Silicon Labs

Specifications of C8051F581-IMR

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

SFR Definition 20.26. P3MDIN: Port 3 Input Mode
SFR Address = 0xF4; SFR Page = 0x0F
SFR Definition 20.27. P3MDOUT: Port 3 Output Mode
SFR Address = 0xAE; SFR Page = 0x0F
Note: Port P3.1–P3.7 are only available on the 48-pin and 40-pin packages.
Note: Port P3.1–P3.7 are only available on the 48-pin and 40-pin packages.
Name
Reset
Name
Reset
Bit
7:0
Bit
7:0 P3MDOUT[7:0] Output Configuration Bits for P3.7–P3.0 (respectively).
Type
Type
Bit
Bit
P3MDIN[7:0]
Name
Name
7
1
7
0
Analog Configuration Bits for P3.7–P3.0 (respectively).
Port pins configured for analog mode have their weak pull-up and digital receiver
disabled. For analog mode, the pin also needs to be configured for open-drain
mode in the P3MDOUT register.
0: Corresponding P3.n pin is configured for analog mode.
1: Corresponding P3.n pin is not configured for analog mode.
These bits are ignored if the corresponding bit in register P3MDIN is logic 0.
0: Corresponding P3.n Output is open-drain.
1: Corresponding P3.n Output is push-pull.
6
1
6
0
5
1
5
0
Rev. 1.2
P3MDOUT[7:0]
4
1
4
0
P3MDIN[7:0]
R/W
R/W
Function
Function
3
1
3
0
C8051F58x/F59x
2
1
2
0
1
1
1
0
0
1
0
0
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