Chapter 11 Serial Interface 0, 1

„Serial Interface 0 Pin Setup (1 channel, at reception)

Table 11-3-27 shows the pin setup at UART serial interface 0 reception with 1 channel (TXD0 pin). The RXD0 pin is not used, so can be used as a port.

Table 11-3-27 UART Serial Interface 0 Pin Setup (1 channel, at reception)

 

Data output pin

Data input pin

Setup item

 

 

TXD0A pin/

RXD0A pin/

 

TXD0B pin

RXD0B pin

Port Pin

P03/P70

P04/P71

Port Pin Setup

Select used pin (A, B)

SC0ODC (SC0SEL)

 

TXD / RXD pin Setup

TXD0/RXD0 pin independent/connection

SC0MD1 (SC0IOM)

 

Function

Serial data output

"1" input

SC0MD1(SC0SBOS)

SC0MD1(SC0SBIS)

 

Style

-

-

 

 

 

 

Input mode

 

I/O

P0DIR (P0DIR3)

-

 

P7DIR (P7DIR1)

 

Pull-up (Pull-down) setup

-

-

 

 

 

„Serial Interface 0 Pin Setup (2 channels, at transmission / reception)

Table 11-3-28 shows the pin setup at UART serial interface 0 transmission / reception with 2 channels (TXD0 pin, RXD0).

Table 11-3-28 UART Serial Interface 0 Pin Setup (2 channels, at transmission / reception)

 

Data output pin

Data input pin

Setup item

 

 

TXD0A pin/

RXD0A pin/

 

TXD0B pin

RXD0B pin

Port Pin

P03/P70

P04/P71

Port Pin Setup

Select used pin (A, B)

SC0ODC (SC0SEL)

 

TXD / RXD pin Setup

TXD0/RXD0 pin independent/connection

SC0MD1 (SC0IOM)

 

Function

Serial data output

"1" input

SC0MD1(SC0SBOS)

SC0MD1(SC0SBIS)

 

 

Push-pull /

 

Style

Nch open-drain

-

SC0ODC (SC0ODC0)

 

 

 

SC0ODC (SC0ODC2)

 

 

Output mode

Input mode

I/O

P0DIR (P0DIR3)

P0DIR (P0DIR4)

 

P7DIR (P7DIR0)

P7DIR (P7DIR1)

 

Add/Not Add

 

Pull-up (Pull-down) setup

P0PLU (P0PLU3)

-

 

P7PLUD(P7PLUD0)

 

Note) Select pull-up/down resistor with P7RDOWN flag of FLOAT register (x'03F2E')

[ Chapter4, 4.7.2 Register ]

Operation XI - 55

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Image 381
Panasonic F77G, MN101C77C user manual Uart Serial Interface 0 Pin Setup 1 channel, at reception