NEC PD78058FY(A) - Manual (Page 435)

435
CHAPTER 19 SERIAL INTERFACE CHANNEL 2
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 to f xx /2 10
Internal Bus
INTST
SCK
Baud Rate Generator
Control Register
Note
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
Figure 19-1. Serial Interface Channel 2 Block Diagram
Note See Figure 19-2 for the baud rate generator configuration.