NEC PD78214 - 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