XR16C872CQ EXAR [Exar Corporation], XR16C872CQ Datasheet - Page 55

• Manufacturer Part Number: XR16C872CQ
• Description: DUAL UART WITH 1284 PARALLEL PORT AND PLUG-AND-PLAY CONTROLLER
• Manufacturer: EXAR [Exar Corporation]

XR16C872
DISCONTINUED
I O W #
T 20
PD0-7
A C K #
T 22
T 8
T 21
IRQx
7 8 3 6 S P P
Parallel port timing in SPP, PS/2 mode
T
2 3
T C
T
2 4
D R Q x
T
2 5
T
2 6
A E N
D A C K x #
I O W # ,
I O R #
7 8 3 6 D M A
Host DMA timing in ECP mode
Rev. 1.00
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