Rabbit OP7100 User Manual Page 139

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User’s Manual 133
JP3 IN8–IN15
1–2 Pulled up to Vcc
×
2–3 Pulled down
JP4 AIN0–AIN1
1–2 Tied to 2.048 V
2–3 Tied to analog ground
×
JP5 AIN2–AIN3
1–2 Tied to 2.048 V
2–3 Tied to analog ground
×
JP6 AIN4–AIN5
1–2 Tied to 2.048 V
2–3 Tied to analog ground
×
JP7 AIN6–AIN7
1–2 Tied to 2.048 V
2–3 Tied to analog ground
×
JP8 Analog Reference Voltage
1–2 Based on A/D converter chip
×
2–3 Based on ratiometric or ext. reference
JP9 LCD Controller I/O bit VA16
1–2 VA16 not used
×
2–3
VA16 used—additional 64K video
SRAM
JP10 RabbitNet Master/Slave Control
1–2 Reserved for future use
3–4 Reserved for future use
n.c. OP7200 in “master” role
×
JP11 LCD Oscillator
1–2
2–3 OSC/4
×
JP12 LCD Oscillator
1–2
2–3 OSC/4
×
JP13 Board ID Bit 0 (LSB)
1–2 Pulled up to Vcc
2–3 Pulled down
×
Table A-2. OP7200 Jumper Configurations (continued)
Header Description Pins Connected
Factory
Default
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