Block Diagram Of Serial Interface Uart6 - NEC 78K0 User Manual

f
X
f /2
X
2
f /2
Asynchronous serial
X
3
f /2
interface operation mode
X
4
register 6 (ASIM6)
f /2
X
5
f /2
X
6
f /2
X
7
f /2
X
8
f /2
X
9
f /2
X
10
f /2
X
8-bit timer/
event counter
Baud rate generator
50 output control register 6
(BRGC6)
8
Registers
Note Selectable with input switch control register (ISC).
Figure 15-4. Block Diagram of Serial Interface UART6
Asynchronous serial
interface reception error
status register 6 (ASIS6)
Reception unit
Internal bus
Asynchronous serial
Clock selection
interface transmission
register 6 (CKSR6)
status register 6 (ASIF6)
8
Transmission unit
INTSR6
Reception control
INTSRE6
Asynchronous serial interface
Baud rate
control register 6 (ASICL6)
generator
Baud rate Asynchronous serial interface
generator control register 6 (ASICL6)
*
Transmission control
INTST6
Note
TI000, INTP0
Filter
R D6/
X
P14
Receive shift register 6
(RXS6)
Receive buffer register 6
(RXB6)
Transmit buffer register 6
(TXB6)
Transmit shift register 6
(TXS6)
Output latch
(P13)
T D6/
X
P13
PM13