A.4 s5u1c330mxd1 block diagram – Epson S1C33 User Manual
Page 23
APPENDIX S5U1C330MXD1 BOARD
S1C33 FAMILY DEBUG MONITOR
EPSON
OPERATION MANUAL
17
A.4 S5U1C330MxD1 Block Diagram
V
CC
V
CC
V
CC
RXD
TXD
RTS
CTS
DTR
DSR
SG
V
CC
RxD (SINx)
TxD (SOUTx)
SCLK (SCLKx)
RESET (SW1: ON = L, OFF = H)
NMI (SW2: ON = L, OFF = H)
DEBUG (SW3: ON = L, OFF = H)
GND
RS232C connector
(Dsub 9 pins)
S5U1C33xxxD1/target board I/F connector (12 pins)
3
2
7
8
4
6
5
1, 2, 9
5
4
10
3
6
8
11, 12
UPD4724
1.843MHz
crystal
oscillator
SW1
(RESET)
SW2
(NMI)
SW3
(DEBUG)
Figure A.4.1 S5U1C330MxD1 block diagram