Casio CASSIOPEIA A-20 User Manual

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No. Pin Name Volt Io/Out Function To/From
60 V5D0 5V I/O Data bus PCMCIA CARD
61 V5A0 5V O Address bus PCMCIA CARD
62 VDD1 5V +5V source
63 V5D8 5V I/O Data bus PCMCIA CARD
64 V5D1 5V I/O Data bus PCMCIA CARD
65 V5D9 5V I/O Data bus PCMCIA CARD
66 V5BSYB 5V I Busy/Ready signal for PCMCIA CARD PCMCIA CARD
67 VSS GND
68 VSS GND
69 V5WAITB 5V I Wait signal for PCMCIA CARD PCMCIA CARD
70 V5D2 5V I/O Data bus PCMCIA CARD
71 V5INPACKB 5V I Input response PCMCIA CARD
72 V5D10 5V I/O Data bus PCMCIA CARD
73 V5BVD2 5V I Voltage detect for PCMCIA PCMCIA CARD,SP
74 LEDONB 3V O LED signal LCD unit
75 PIRB 3V O Voltage V5IRDA(3V) control Q123(Power)
76 V5BVD1 5V I Battery Detector PCMCIA CARD
77 V5IOIS16B 5V I Write protect PCMCIA CARD
78 IRTXD 3V O Infrared output IrDA
79 CD2B 3V I Card detect PCMCIA CARD
80 IRRXD 3V I Infrared input IrDA
81 VDD2 3V +3V source
82 VSS GND
83 DISPOFFB 3V O LCD off signal LCD unit
84 DISPCSB 3V O CE signal for LCD driver LCD unit
85 DISPRSTB 3V O Reset signal for LCD driner LCD unit
86 DISPWTB 3V I Wait signal from LCD driver LCD unit
87 IOPORT2 3V I/O Not used
88 PSW0 3V O Touch panel control Touch panel
89 PSW1 3V O Touch panel control Touch panel
90 PSW2 3V O Touch panel control Touch panel
91 PSW3 3V O Touch panel control Touch panel
92 PSW4 3V O Touch panel control Touch panel
93 FLSHRSTB 3V O Reset signal for Flash ROM board
94 PMUTE 3V O Audio mute signal Audio amp
95 PRECB 3V O Power supply control for recording circuit LCD unit
96 FUNKEYIN7 3V I Function input Keyboard
97 FUNKEYIN6 3V I Function input Keyboard
98 FUNKEYIN5 3V I Function input Keyboard
99 FUNKEYIN4 3V I Function input Keyboard
100 FUNKEYIN3 3V I Function input Keyboard
101 FUNKEYIN2 3V I Function input Keyboard
102 FUNKEYIN1 3V I Function input Keyboard
103 NC Not used
104 AVCC3 Analog I +3V source for D/A converter of audio +3V source
105 AUDIN Analog I Audio signal input for record LCD unit
106 AUDVRL Analog I Reference voltage for A/D,D/A converters
107 AUDOUT Analog O Audio signal output for play Audio amp
108 AUDVRH Analog I Reference voltage for A/D,D/A converters
109 AVCC2 Analog I +3V source for Touch panel +3V source
110 AGND2 Analog I Ground for Touch panel GND
111 AGND1 Analog I Analog ground GND
112 AVCC1 Analog I +3V source for D/A converter of audio +3V source
113 TCPIN2 Analog I Analog signal input from Touch panel Touch panel
114 VDETADIN Analog I Power detecting signal Power supply
115 TCPVRL Analog I Reference voltage for A/D converter of TP
116 TCPVRH Analog I Reference voltage for A/D converter of TP
117 TCPIN1 Analog I Analog signal input from Touch panel Touch panel
118 NC Not used
119 FUNKEYIN0 3V I Function input Keyboard
120 KBOUT8 3V O Key common signal Keyboard

Casio CASSIOPEIA A-20 Specifications

General

Brand	Casio
Model	CASSIOPEIA A-20
Category	Handhelds
Language	English