NEC PD78214 User Manual
Page 273
244
µ
PD78214 Sub-Series
Fig. 9-1 Asynchronous Serial Interface Configuration
INTST
Internal bus
Reception buffer
RESET
TXS
1/8
1/8
RXB
PE
FE
OVE
INTSR
INTSER
(ASIS)
Transmission
control parity
generation
P31/TxD
P30/RxD
1
16
1
16
Selector
Transmission
shift register
Asynchronous serial interface
status register
RXE
PSI
PS0
CL
SL
SCK
RESET
(ASIM) Asynchronous serial
interface mode register
1/8
Shift
register
Reception
control
parity check
1
2
8-bit timer/counter 3 output
UART baud rate generator output