Renesas R8C/20 User Manual

R8C/20 Group, R8C/21 Group Appendix 2. Connection Examples between Serial Writer and On-Chip Debugging Emulator
Rev.2.00 Aug 27, 2008 Page 455 of 458
REJ09B0250-0200
Appendix 2. Connection Examples between Serial Writer and On-Chip
Debugging Emulator
Appendix Figure 2.1 shows the Connection Example with M16C Flash Starter (M3A-0806) and Appendix Figure 2.2
shows the Connection Example with E8 Emulator (R0E000080KCE00).
Appendix Figure 2.1 Connection Example with M16C Flash Starter (M3A-0806)
Appendix Figure 2.2 Connection Example with E8 Emulator (R0E000080KCE00)
VSS
VCC
RXD 4
7 VSS
1 VCC
10
M16C Flash Starter
(M3A-0806)
RXD
TXD
TXD
RESET
48
R8C/20 Group, R8C/21 Group
47 46 45 44 43 42 41 40 39 38 37
13 14 15 16 17 18 19 20 21 22 23 24
12
11
10
9
8
7
6
5
4
3
2
1
25
26
27
28
29
30
31
32
33
34
35
36
MODE
NOTE:
1. An oscillation circuit must be connected, even when operating with the on-chip oscillator clock.
Connect oscillation
circuit
(1)
Emulator E8
(R0E000080KCE00)
MODE
4.7 kO ± 10%
RESET
12
10
8
6
4
2
VSS
13
7 MODE
VCC
14
48
R8C/20 Group, R8C/21 Group
47 46 45 44 43 42 41 40 39 38 37
13 14 15 16 17 18 19 20 21 22 23 24
12
11
10
9
8
7
6
5
4
3
2
1
25
26
27
28
29
30
31
32
33
34
35
36
VSS
VCC
NOTE:
1. No need to connect an oscillation circuit when operating with the on-chip oscillator clock.
Connect oscillation
circuit
(1)
4.7 kO or more
User logic
Open-collector buffer

Renesas R8C/20 Specifications

General

Brand	Renesas
Model	R8C/20
Category	Control Unit
Language	English