Renesas RL78 Series User Manual page 39

RL78/G1D
Function Name
P120
P121
P122
P123
P124
P130
P137
P140
P147
<R>
GPIO0
GPIO1
GPIO2
GPIO3
Note Digital or analog for each pin can be selected with the port mode control register x (PMCx) (can be set in 1-bit
unit).
R01UH0515EJ0120 Rev.1.20
Dec 16, 2016
Pin Type I/O After Reset
7-3-1 I/O Analog input
port
2-2-1 Input Input port
1-1-1 Output Output port
2-1-2 Input Input port
7-1-1 I/O Input port
7-3-1 Analog input
port
R-12 I/O Input port
Alternate Function
ANI19 Port 12.
1-bit I/O port and 4-bit input-only port.
For only P120, input/output can be specified.
X1
For only P120, use of an on-chip pull-up resistor
X2/EXCLK
can be specified by a software setting at input
XT1
port.
P120 can be set to analog input
XT2/EXCLKS
When using RF, connecting P123 and P124 to
an resonator of 32.768 kHz make the clock can
be used as RF slow clock.
― Port 13.
1-bit output-only port and 1-bit input-only port.
INTP0
When using RF, P130 is used for RF control.
PCLBUZ0/INTP6 Port 14.
2-bit I/O port.
ANI18
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be
specified by a software setting at input port.
P147 can be set to analog input
TXSELH_RF GPIO port.
4-bit I/O port.
TXSELL_RF
Input/output can be specified in 1-bit units.
CLKOUT_RF
EXSLK_RF
CHAPTER 3 PIN FUNCTIONS
Function
Note
.
Note
.
(2/2)
18