— 9 —
Pin No. Signal Description In/Out
Status of
Power On
Status of
Power OFF
56 HD.E Head drive signal of printer (HD.E) Out Low Low
57 HD.F Head drive signal of printer (HD.F) Out Low Low
58 HD.G Head drive signal of printer (HD.G) Out Low Low
59 HD.H Head drive signal of printer (HD.H) Out Low Low
60 RESET Reset signal (RESET) In High High
61 DP Dot pulse form printer (DP) In Low High
62 RP Reset pulse from printer (RP) In High High
63 OFF Mode key status (OFF) Out High Low
64 PWD Power down signal (PWD) In Low High
65 RB0 Address signal for RAM (Bank 0) Out High High
66 RB1 Address signal for RAM (Bank 1) Out High High
67 RB2 Address signal for RAM (Bank 2) Out High High
68 VDD VDD — 5 V 5 V
69 X2 System clock (5 MHz) In Pulse High
70 X1 System clock (5 MHz) In Pulse High
71 IC GND — GND GND
72 XT2 Sub system clock (32.768 KHz) In Pulse Pulse
73 XT1 Sub system clock (32.768 KHz) In Pulse Pulse
74 AVDD VDD — 5 V 5 V
75 AVREF0 VCC — GND GND
76 BAT Low battery signal In High High
77 VPP.S VPP detection signal (VPP.S) In Low Low
78 FB0 Address signal of Fiscal ROM bank 0 Out High High
79 FB1 Address signal of Fiscal ROM bank 1 Out High High
80 FB2 Address si
nal of Fiscal ROM bank 2 Out Hi
hHi
h
To Next Page
Loading...
Need help?
General
