Epson PX-8 Technical Manual page 271

CHAPTER 7
APPENDIX
REV.-A
7.1 Main CPU (Z80) ....................................................................................................... 7- 1
7.2 Slave CPU 6303 ....................................................................................................... 7- 6
7.3 Sub-CPU 7508 ......................................................................................................... 7- 9
7.4
Gate Array GAH40D ................................................................................................ 7-12
7.5 Gate Array GAH40M ............................................................................................... 7-17
7.6 Gate Array GAH40S ................................................................................................ 7-29
7.7 A-D Converter ,uPD7001 ......................................................................................... 7-34
7.8
Serial Controller 82C51 .......................................................................................... 7-36
7.9
SED1120(LCDdriver) ............................................................................................. 7-39
7.10 SED1130 (LCD driver) ............................................................................................. 7-44
7.11 LCD/V-RAM ControllerSED1320 .......................................................................... 7-50
7.12 D-RAM ,uPD4265 ..................................................................................................... 7-57
7.13 V-RAM 6117 ............................................................................................................ 7-61
7.14 Other ICs ................................................................................................................... 7-64
7.15 Circuit Schematic Diagrams And Component Layout Diagrams ....................... 7-67