CHAPTER
12
SERIAL IN
TER
F
ACE U
ART6
Preliminary
User’s Manual
U16846EJ
1
V0UD
228
Figure 12-4. Block Diagram of Serial Interface UART6
Internal bus
Asynchronous serial interface
control register 6 (ASICL6)
Transmit buffer register 6
(TXB6)
Transmit shift register 6
(TXS6)
T
X
D6/
P13
INTST6
Baud rate
generator
Asynchronous serial interface
control register 6 (ASICL6)
Reception control
Receive shift register 6
(RXS6)
Receive buffer register 6
(RXB6)
R
X
D6/
P14
TI000, INTP0
Note
INTSR6
Baud rate
generator
Filter
INTSRE6
Asynchronous serial
interface reception error
status register 6 (ASIS6)
Asynchronous serial
interface operation mode
register 6 (ASIM6)
Asynchronous serial
interface transmission
status register 6 (ASIF6)
Transmission control
Registers
f
X
f
X
/2
f
X
/2
2
f
X
/2
3
f
X
/2
4
f
X
/2
5
f
X
/2
6
f
X
/2
7
f
X
/2
8
f
X
/2
9
f
X
/2
10
8-bit timer/
event counter
50 output
8
Reception unit
Transmission unit
Clock selection
register 6 (CKSR6)
Baud rate generator
control register 6
(BRGC6)
Output latch
(P13)
PM13
8
Selector
Note
Selectable with input switch control register (ISC).