Specifications

33
EPC-30 Hardware Reference
Page 44
Terminations contained on the EPC-30 board are as follows:
Address lines:
SA0 - SA19, and LA17 - LA24: Driven by R380EX
Data lines
SD0 - SD15: 10K pull-up to VCC
Control strobes:
~IOR, ~IOW, ~MEMR,
~MEMW, ~SMEMR,
~SMEMW:
Driven by R380EX
Xfer response signals:
~IOCS16, ~MEMCS16, ~0WS,
~MASTER:
300 ohm pull-up to VCC
DRQ inputs: 10K pull-down to GND
IRQ inputs: 10K pull-up to VCC
~REFRESH output: Driven by R380EX
RESETDRV, OSC, BALE,
AEN, SYSCLK, TC
No termination
~SBHE output: Driven by R380EX
~IOCHCK input: 4.7K pull-up to VCC
IOCHRDY input: 1K pull-up to VCC
Signals Not Supported:
~IOCHCKK, DRQ2, DACK2, DRQ3, ~DACK3,
DRQ5, ~DACK5, DRQ6, ~DACK6, DRQ7,
~DACK7, ~MASTER, -5V (not powered)
Table 3-3. Terminations.