Renesas rl78 User Manual
RL78/G1A
CHAPTER 4 PORT FUNCTIONS
R01UH0305EJ0200 Rev.2.00
124
Jul 04, 2013
Table 4-6. Setting Examples of Registers and Output Latches When Using Alternate Function (4/17)
Used Function
Alternate Function Output
Pin Name
Function
Name
I/O
PIOR POMxx
PMCxx
PMxx
Pxx
SAU Output
Function
Other than
SAU
25-pin 32-pin 48-pin 64-pin
Input
−
×
− 1
×
×
−
Output
− 0 − 0
0/1
SO20 = 1
TxD2 = 1
−
P13
N-ch open
drain output
− 1 − 0
0/1
×
−
×
√
√
√
ANI22 Analog
input
×
× 1
1
×
×
−
×
√
√
√
SO20 Output
× 0/1 0
0
1
×
−
×
√
√
√
TxD2 Output
× 0/1 0
0
1
×
−
×
√
√
√
P13
(KR3) Input
03H
Note
× 0
1
×
×
−
×
√
√
√
Input
−
×
− 1
×
−
×
Output
− 0 − 0
0/1
P14
N-ch open
drain output
− 1 − 0
0/1
− SDA20
=
0
×
√
√
√
ANI23 Analog
input
×
× 1
1
×
−
×
×
√
√
√
SI20 Input
×
× 0
1
×
−
×
×
√
√
√
SDA20 I/O
× 1 0
0
1
−
×
×
√
√
√
RxD2 Input
×
× 0
1
×
−
×
×
√
√
√
P14
(KR4) Input
03H
Note
× 0
1
×
−
×
×
√
√
√
Note 32- to 64-pin products only
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