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Renesas R8C/20 User Manual

Renesas R8C/20
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R8C/20 Group, R8C/21 Group 7. Programmable I/O Ports
Rev.2.00 Aug 27, 2008 Page 52 of 458
REJ09B0250-0200
X: 0 or 1
NOTE:
1. Pulled up by setting the PU02 bit in the PUR0 register to 1.
X: 0 or 1
NOTE:
1. Pulled up by setting the PU02 bit in the PUR0 register to 1.
X: 0 or 1
NOTES:
1. Pulled up by setting the PU03 bit in the PUR0 register to 1.
2. N-channel open drain output by setting the NCH bit in the U0C0 register to 1.
X: 0 or 1
NOTE:
1. Pulled up by setting the PU03 bit in the PUR0 register to 1.
Table 7.14 Port P1_2/KI2/AN10
Register PD1 KIEN ADCON0
Function
Bit PD1_2 KI2EN CH2 CH1 CH0 ADGSEL0
Setting
value
0XXXXX
Input port
(1)
1 X X X X X Output port
01XXXX
KI
2 input
0 X 1 1 0 1 A/D converter input (AN10)
Table 7.15 Port P1_3/KI3/AN11
Register PD1 KIEN ADCON0
Function
Bit PD1_3 KI3EN CH2 CH1 CH0 ADGSEL0
Setting
value
0XXXXX
Input port
(1)
1 X X X X X Output port
01XXXX
KI3
input
0 X 1 1 1 1 A/D converter input (AN11)
Table 7.16 Port P1_4/TXD0
Register PD1 U0MR
Function
Bit PD1_4 SMD2 SMD1 SMD0
Setting
value
0000
Input port
(1)
1 0 0 0 Output port
X
001
TXD0 output
(2)
100
101
110
Table 7.17 Port P1_5/RXD0/(TRAIO)/(INT1)
Register PD1 TRAIOC TRAMR INTEN
Function
Bit PD1_5 TIOSEL TOPCR TMOD2 TMOD1 TMOD0 INT1EN
Setting
value
0
0XXXX
X
Input port
(1)
X1XXX
X X Other than 001b
1
0XXXX
X Output portX1XXX
X X Other than 001b
0
X X Other than 001b
X RXD0 input
0X001
0 1 X Other than 001b X TRAIO input
0 1 X Other than 001b 1
TRAIO/INT1
input
X 1 0 0 0 1 X TRAIO pulse output

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Renesas R8C/20 Specifications

General IconGeneral
BrandRenesas
ModelR8C/20
CategoryControl Unit
LanguageEnglish

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