User manual

Copyright © Dr Robot Inc. 2005
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14 RESET Reset input
15 R/W Read/write
16 D/I Data/Instruction indication
17 E Enable
18 VEE Negative voltage output
19 A Power supply for LED backlight (+)
20 K Power supply for LED backlight (-)
Table I.18 Custom A/D Expansion Connector EXP-AD
Pin Signal Description
1, 2, 3, 4 + 3.0 V Analog power supply, max. 40mA
5, 6, 15, 16 Ground Analog ground
7 AD_IN1* Analog 0 – 3.0V
8 AD_IN2* Analog 0 – 3.0V
9 AD_IN3* Analog 0 – 3.0V
10 AD_IN4 Analog 0 – 3.0V
11 AD_IN5 Analog 0 – 3.0V
12 AD_IN6 Analog 0 – 3.0V
13 AD_IN7 Analog 0 – 3.0V
14 AD_IN8 Analog 0 – 3.0V
*Note (Table I.18): When the relevant power supply voltage monitoring is enabled, AD_IN1, AD_IN2,
AD_IN3 will be not available to the custom A/D expansions.
Table I.19 Custom Digital I/O Expansion Connector EXP-GPIO
Pin Signal Description
1, 2, 3, 4 + 3.3 V Positive power source, max. 100mA
5 D_OUT0 Digital out
6 D_OUT1 Digital out
7 D_OUT2 Digital out
8 D_OUT3 Digital out
9 D_OUT4 Digital out
10 D_OUT5 Digital out
11 D_OUT6 Digital out
12 D_OUT7 Digital out
13, 14, 15,
16
Ground Power supply ground
17* D_IN0 Digital in
18* D_IN1 Digital in
19* D_IN2 Digital in
20* D_IN3 Digital in
21* D_IN4 Digital in