Specifications

136 EPSON S1C6P466 TECHNICAL MANUAL
APPENDIX A PROM PROGRAMMING
A.2.4 Connection diagram for serial programming (S1C88/S1C63 Serial Connector)
Connecting to target board
Figure A.2.4.1 shows the connection on the target board and Table A.2.4.1 lists the signal specifica-
tions.
V DD
CLKIN
SCLK
RXD
TXD
RESET
SPRG
V
SS
V DD
V DDF
CLK
V
SS
SCLK
V
SS
RXD
V
SS
TXD
V
SS
RESET
V
SS
SPRG
V
SS
Reserved
Reserved
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Universal Writer interface connector Microcomputer on target board
Fig. A.2.4.1 Connection diagram for serial programming (S1C88/S1C63 Serial Connector)
Table A.2.4.1 Signal specifications
Connector pin No.
1
2
3
5
7
9
11
13
15
16
4, 6, 8, 10, 12, 14
Signal name
V
DD
V DDF
CLK
SCLK
RXD
TXD
RESET
SPRG
Reserved
Reserved
V
SS
Description
Power supply pin
Programming power supply pin
System clock output
Serial I/F clock output
Serial I/F data input
Serial I/F data output
Initial reset output
Programming mode setup output
Ground pin
Microcomputer pin to be connectrd
V
DD pin
V
DD pin
CLKIN pin
N.C.
TXD pin
RXD pin
RESET pin
SPRG pin
N.C.
N.C.
V
SS pin
Table A.2.4.2 Connectors for connecting Universal Writer
Name
Box header (male)
[target side]
Socket connector (female)
[SIO cable side]
Model name
3408-6002LCFL (3M)
or equivalent
Socket connector 7916-B500FL (3M)
Strain relief 3448-7916 (3M)
or equivalent
Notes: • Do not turn on the power of the target board since the PROM programming power (5 V) is
supplied from the Universal Writer.
• Since PROM programming uses a 5-V power source, exercise care to the voltage ratings of the
parts on the target board.