ICP Electronics JUKI- 745E - USB Port Connection; I;O Address Map and IRQ Chart

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3.10 USB Port
The JUKI-745E has one built-in USB port for the future new I/O
bus expansion.
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JP41:USB Port
PIN NO. DESCRIPTION
1 VCC
2 USBP0-
3 USBP0+
4 GROUND
3.11 IO Address Map
IO Address Map
I/O Address
Range
DESCRIPTION
000-01F DMA Controller # 1
020-021 Interrupt Controller # 1, Master
040-05F 8254 timer
060-06F 8042 (Keyboard Controller)
070-07F Real time Clock, NMI (non-maskable interrupt) Mask
080-09F DMA Page Register
0A0-0BF Interrupt Controller # 2
0C0-0DF DMA Controller # 2
0F0 Clear Math Coprocessor Busy
0F1 Reset Math Coprocessor
0F8-OFF Math Coprocessor
1F0-1 F8 Fixed Disk
200-207 Game I/O
278-27F Parallel Printer Port 2 (LPT3)
2E8-2EF Serial Port 4
2F8-2FF Serial Port 2
300-31F Prototype Card
360-36F Reserved
378-37F Parallel Printer Port (LPT2)