tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 107

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

RA005
Table 8-2 List of I/O Port Settings
Note 1: After the power is turned on, pin P10 serves as an external reset input. To use pin P10 as a port, refer to "How to
Note 2: About SERSEL, please refer to "8.4 Serial Interface Selecting Function".
Note 3: The symbol and numeric characters in the table have the following meanings:
Port name
Port PB
Port P8
Port P9
use the external reset input pin as a port".
PB7 to PB4
P81 to P80
P92 to P90
Pin name
P81
P80
P91
P90
PB6
PB5
PB4
numeric charac-
Without register
Symbol and
ters
0
1
*
PPG03
PPG02
SCLK0 output
TXD1 output
TXD1 output
SCLK0 input
TXD0 output
TXD0 output
RXD1 input
RXD1 input
RXD0 input
RXD0 input
SO0 output
Port output
TC03 input
TC02 input
Port output
Port output
Port input
Port input
Port input
Function
SI0 input
/
/
PWM03
PWM02
(Operation is the same whether "1" or "0" is selected.)
output
output
There is no register that corresponds to the bit.
Page 93
PxCR
0
1
0
1
0
1
0
1
0
1
1
0
0
1
0
1
0
1
0
1
0
1
Don’t care
Meaning
Set "0".
Set "1".
PxOUTCR
Without
register
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Register set value
PxFC
0
1
1
0
0
1
1
0
0
1
1
1
1
*
*
*
*
*
*
*
*
*
UATCNG<UAT1IO>="0"
UATCNG<UAT1IO>="1"
UATCNG<UAT1IO>="0"
UATCNG<UAT1IO>="1"
SERSEL<SRSEL0>="10"
SERSEL<SRSEL2>="1"
SERSEL<SRSEL0>="10"
SERSEL<SRSEL2>="1"
SERSEL<SRSEL0>="0*"
SERSEL<SRSEL2>="1"
UATCNG<UAT0IO>="0"
SERSEL<SRSEL0>="0*"
SERSEL<SRSEL2>="1"
UATCNG<UAT0IO>="1"
SERSEL<SRSEL0>="10"
SERSEL<SRSEL2>="1"
SERSEL<SRSEL0>="0*"
SERSEL<SRSEL2>="1"
UATCNG<UAT0IO>="0"
SERSEL<SRSEL0>="0*"
SERSEL<SRSEL2>="1"
UATCNG<UAT0IO>="1"
SERSEL<SRSEL0>="10"
SERSEL<SRSEL2>="1"
Other required settings
TMP89FM42