tmp89fm42a TOSHIBA Semiconductor CORPORATION, tmp89fm42a Datasheet - Page 241

• Manufacturer Part Number: tmp89fm42a
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

16.1
Configuration
RA001
16.1
PPGA0 output
(TCA0 output)
fcgck or fs
Configuration
interrupt request
interrupt request
Baud rate
generator
Start bit
detection
INTRXD0
INTTXD0
8-bit counter
EN
Figure 16-1 Asynchronous Serial Interface (UART)
UART0 baud rate register
Counter
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 222
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
TMP89FM42A
fcgck/2
fcgck/2
fcgck/2
Frequency
divider
RXD0
TXD0
6
7
8