tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 222

• Manufacturer Part Number: tmp89fm42
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

16.1 Configuration
16. Asynchronous Serial Interface (UART)
RA001
16.1 Configuration
PPGA0 output
(TCA0 output)
fcgck or fs
interrupt request
interrupt request
Baud rate
generator
Start bit
detection
INTRXD0
INTTXD0
8-bit counter
EN
UART0 baud rate register
Counter
Figure 16-1 Asynchronous Serial Interface (UART)
UART0 control register 1
Comparator
UART0DR
A
B
UART0CR1
S
Y
2
Transmit
RT clock
Transmission start
8-bit counter
Match detection
Comparator
UART0 transmit data buffer
Shift register
UART0CR1
EN
Match
detection
Page 208
Counter
A
B
S
Y
2
Receive
RT clock
UART0 status
UART0SR
register
2
4
IrDA control
UART0 control register 2
Parity bit
Stop bit
Noise rejection circuit
UART0 receive data buffer
UART0CR2
Shift register
RD0BUF
Y
S
2
A
C
B
TMP89FM42
fcgck/2
fcgck/2
fcgck/2
Frequency
divider
RXD0
TXD0
6
7
8