R8C/20 Group, R8C/21 Group 7. Programmable I/O Ports
Rev.2.00 Aug 27, 2008 Page 56 of 458
REJ09B0250-0200
X: 0 or 1
NOTE:
1. Pulled up by setting the PU05 bit in the PUR0 register to 1.
X: 0 or 1
NOTE:
1. Pulled up by setting the PU06 bit in the PUR0 register to 1.
X: 0 or 1
NOTE:
1. Pulled up by setting the PU06 bit in the PUR0 register to 1.
X: 0 or 1
NOTES:
1. Pulled up by setting the PU06 bit in the PUR0 register to 1.
2. N-channel open drain output by setting the SOOS bit in the SSMR2 register to 1 when this pin functions as output.
Table 7.27 Port P2_7/TRDIOD1
Register PD2 TRDOER1 TRDFCR TRDPMR TRDIORC1
Function
Bit PD2_7 ED1 CMD1 CMD0 PWM3 PWMD1 IOD2 IOD1 IOD0
Setting
value
0 1 XXX X XXX
Input port
(1)
1 1 X X X X X X X Output port
0 X 0 0 1 0 1 X X Timer mode (input capture function)
X0
10
X X X X X Complementary PWM mode waveform output
11
X001XXXXX
Reset synchronous PWM mode waveform
output
X 0 0 0 1 1 X X X PWM mode waveform output
X 0 001 0
001
Timer mode waveform output
(output compare function)
01X
Table 7.28 Port P3_0/TRAO
Register PD3 TRAIOC
Function
Bit PD3_0 TOENA
Setting
value
00
Input port
(1)
1 0 Output port
X 1 TRAO output
Table 7.29 Port P3_1/TRBO
Register PD3 TRBMR TRBIOC
Function
Bit PD3_1 TMOD1 TMOD0 TOCNT
Setting
value
000X
Input port
(1)
100X
Output port
X 01b 1
X Other than 00b 0 TRBO output
Table 7.30 Port P3_3/SSI
Register PD3
Clock Synchronous Serial I/O with Chip Select
(Refer to Table 16.4 Association between
Communication Modes and I/O Pins.)
PMR
Function
Bit PD3_3 SSI output control SSI input control IICSEL
Setting
value
00 00
Input port
(1)
0X X1
10 00
Output port
(2)
1X X1
X 0 1 0 SSI input
X1 00
SSI output
(2)
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