tmp89fm42k TOSHIBA Semiconductor CORPORATION, tmp89fm42k Datasheet - Page 147

• Manufacturer Part Number: tmp89fm42k
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

RA006
8.4
assignment can be changed. Two out of three functions, SIO0, UART0 and I
using this selecting function.
Serial Interface Selecting Function
On the TMP89FM42K, the built-in serial interface (SIO, UART and I
The input pins of the 16-bit timer counter A0 input (TCA0 input) can be changed by using this selecting function.
UART1
UART0
TCA0
SIO0
I2C0
Figure 8-11 Serial Interface Selecting Function
SERSEL<SRSEL0>
Selector
Selector
10
01
0*
*0
S
S
SERSEL<TCA0SEL>
<SRSEL2>
SERSEL
Selector
Selector
S
S
Page 129
00
01
10
1
0
P91 (RXD1)
P21 (RXD0)
Port
Port
Port
Port
Port
2
C) communication pins and interrupt source
2
P90 (TXD1)
P91 (RXD1)
PB4 (TXD0 / SO0)
PB5 (RXD0 / SI0)
PB6 (SCLK0)
P20 (TXD0 / SO0)
P21 (RXD0 / SI0)
P22 (SCLK0)
P23 (SDA0 / SO0)
P24 (SCL0 / SI0)
P25 (SCLK0)
P72 (TCA0)
C0, can be used at the same time by
TMP89FM42K