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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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