CHAPTER
11
SERIAL IN
TER
F
ACE U
ART0
(
µ
PD78
F0102
H A
ND 78F0
103H
ONLY)
Preliminary
User’s Manual
U16846EJ
1
V0UD
204
Figure 11-1. Block Diagram of Serial Interface UART0
T
x
D0/
SCK10/P10
INTST0
R
x
D0/
SI10/P11
INTSR0
f
X
/2
5
f
X
/2
3
f
X
/2
Transmit shift register 0
(TXS0)
Receive shift register 0
(RXS0)
Receive buffer register 0
(RXB0)
Asynchronous serial
interface reception error
status register 0 (ASIS0)
Asynchronous serial
interface operation mode
register 0 (ASIM0)
Baud rate generator
control register 0
(BRGC0)
8-bit timer/
event counter
50 output
Registers
7
7
Selector
Baud rate
generator
Baud rate
generator
Reception unit
Reception control
Filter
Internal bus
Transmission control
Transmission unit
Output latch
(P10)
PM10