Application Headers - Renesas R8C/25 User Manual

9.2. Application Headers

Table 9-5 and Table 9-6 below show the standard application header connections. * Marked pins are subject to option links.
Pin Header Name
1 Regulated Supply 1
3 Regulated Supply 2
5 Analogue Supply
7 Analogue Reference
9 ADC0
11 ADC2
13 DAC0
15 IOPort0
17 IOPort2
19 IOPort4
21 IOPort8
23 IRQ3
25 I²C Bus
Pin Header Name
1 Reset
3 Interrupt
5 SPARE
7 Interrupt
9 Interrupt
11 Motor up/down
13 Motor control
15 Motor control
17 Motor control
19 Timer Output
21 Timer Input
23 Interrupt
25 SPARE
RSK Signal Device
Name Pin
CON_5V -
CON_3V3 -
NC -
CON_VREF 44
AD0 38
AD2 42
NC -
IO_0 45
IO_2 46
IO_4 36
IO_6* 28
IRQ3 25
IIC_SDA 4
Table 9-5: JA1 Standard Generic Header
RSK Signal Device
Name Pin
RESn 8
NC -
NC -
IRQ0* 27
IRQ1* 28
MO_UD* 52
MO_Up 19
MO_Vp 16
MO_Wp 15
TMR0 18
TRIGa* 27
IRQ2* 29
P2_0 20
Table 9-6: JA2 Standard Generic Header
JA1
Pin Header Name
2 Regulated Supply 1
4 Regulated Supply 2
6 Analogue Supply
8 ADTRG
10 ADC1
12 ADC3
14 DAC1
16 IOPort1
18 IOPort3
20 IOPort5
22 IOPort7
24 I C Bus (3rd pin)
2
26 I²C Bus
JA2
Pin Header Name
2 External Clock Input
4 Regulated Supply 1
6 Serial Port
8 Serial Port
10 Serial Port
12 Serial Port Handshake
14 Motor control
16 Motor control
18 Motor control
20 Timer Output
22 Timer Input
24 Tristate Control
26 SPARE
16
RSK Signal Device
Name Pin
GROUND -
GROUND -
NC -
NC -
AD1 41
AD3 43
NC -
IO_1* 47
IO_3 37
IO_5 35
IO_7* 29
NC -
IIC_SCL 2
RSK Signal Device
Name Pin
CON_XIN 11
GND -
SCIaTX 24
SCIaRX 23
SCIaCK 22
NC -
MO_Un 17
MO_Vn 14
MO_W 13
TMR1 34
TRIGb 21
TRISTn 3
P3_1 33