Справочник Пользователя для IBM PD78P083(A)

Internal Bus

Asynchronous

Serial Interface

Mode Register

Asynchronous
Serial Interface
Status Register

Receive Buffer

Register

(RXB/SIO2)

Direction

Control Circuit

Receive Shift

Register (RXS)

Reception

Control

Circuit

RxD/SI2/

P70

TxD/SO2/

P71

INTSR/INTCSI2

CSIE2

CSIM

22

CSCK

INTSER

SCK Output

Control Circuit

Baud Rate Generator

f

xx

-f

xx

/2

10

Internal Bus

CSCK

SCK

INTST

Baud Rate Generator 
Control Register

Serial Operating

Mode Register 2

PE

FE

OVE

Transmission

Control

Circuit

PM71

ISRM

ASCK/

SCK2/P72

PM72

Direction

Control Circuit

Transmit Shift

Register

(TXS/SIO2)

RXE PS1 PS0 CL

SL ISRM

TXE

SCK

4

4

CSIE2

TXE

RXE

MDL3 MDL2 MDL1 MDL0 TPS3 TPS2 TPS1 TPS0

See Figure 11-2 for the baud rate generator configuration.

★