Renesas R8C/Tiny Series 用户手册
9.2. Application Headers
Table 9-5 to Table 9-8 below show the standard application header connections. * Marked pins are subject to option links.
JA1
Pin
Header Name
Circuit Net
Name
Device
Pin
Pin
Header Name
Circuit Net
Name
Device
Pin
1
Regulated Supply 1
CON_5V
---
2
Regulated Supply 1
GROUND
---
3
Regulated Supply 2
CON_3V3
---
4
Regulated Supply 2
GROUND
---
5 Analog
Supply
NC
---
6 Analog
Supply
NC
---
7 Analog
Reference
CON_VREF* 77
8 ADTRG
NC
---
9 ADC0
AN0*
76
10 ADC1
AN1*
74
11 ADC2
AN2*
73
12 ADC3
AN3
70
13 DAC0
DA0*
74
14 DAC1
DA1*
76
15 IOPort0
IO_0
65
16 IOPort1
IO_1
64
17 IOPort2
IO_2
63
18 IOPort3
IO_3
62
19 IOPort4
IO_4
61
20 IOPort5
IO_5
60
21 IOPort8
IO_6
59
22 IOPort7
IO_7
58
23 IRQ3
INT3n
46
24 I
2
C Bus (3rd pin)
NC
---
25 IIC_SDA
SDA
2
26 IIC_SCL
SCL
80
Table 9-5: JA1 Standard Generic Header
JA2
Pin
Header Name
Circuit Net
Name
Device
Pin
Pin
Header Name
Circuit Net
Name
Device
Pin
1 Reset
RESETn
9
2
External Clock Input
CON_XIN*
12
3 Interrupt
NC
---
4
Regulated Supply 1
VSS1 (GND)
---
5 WDT
overflow
NC
---
6 Serial
Port
TXD0
34
7 Interrupt
INT0n
44
8 Serial
Port
RXD0
33
9 Interrupt
INT1n
52
10 Serial
Port
RXD0
32
11 Motor
up/down
UD
79
12
Serial Port Handshake
NC
---
13 Motor
control
Up
29
14 Motor
control
Un
27
15 Motor
control
Vp
26
16 Motor
control
Vn
24
17 Motor
control
Wp
25
18 Motor
control
Wn
23
19 Timer
Output
TMR0
51
20 Timer
Output
TMR1
50
21 Timer
Input
TRIGa
31
22 Timer
Input
TRIGb
28
23 Interrupt
INT2n
53
24 Tristate
Control
TRISTn
36
25 SPARE
---
---
26 SPARE
---
---
Table 9-6: JA2 Standard Generic Header
17