xr16c872iq Exar Corporation, xr16c872iq Datasheet - Page 57

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

XR16C872
DISCONTINUED
P D 0 - 7
B U S Y
T 4 0
T 3 9
A C K #
T 4 1
T 4 1
T 4 3
T 4 2
T 4 4
A U T O F D #
7 8 3 6 E C R
Parallel port reverse timing in ECP mode
A0-2, A10
T 4 5
T 4 6
D 0 - D 7
T 4 7
T 4 8
I O W #
T 5 1
T 4 9
T 5 0
I O C H R D Y
T 5 2
7 8 3 6 E P W
Address or data write timing in EPP mode
Rev. 1.00
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