xr16c872iq Exar Corporation, xr16c872iq Datasheet - Page 55

• Manufacturer Part Number: xr16c872iq
• Description: Dual Uart With 1284 Parallel Port And Plug-and-play Controller
• Manufacturer: 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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