參數(shù)資料
型號: ST78C36ACJ44-F
廠商: Exar Corporation
文件頁數(shù): 1/27頁
文件大?。?/td> 0K
描述: IC UART FIFO 16B 44PLCC
標準包裝: 27
特點: *
FIFO's: 16 字節(jié)
規(guī)程: 打印機
電源電壓: 5V
帶并行端口:
安裝類型: 表面貼裝
封裝/外殼: 44-LCC(J 形引線)
供應商設備封裝: 44-PLCC(16.59x16.59)
包裝: 管件
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
ST78C36/36A
ECP/EPP PARALLEL PRINTER PORT WITH 16-BYTE FIFO
APRIL 2010
REV. 5.1.0
GENERAL DESCRIPTION
The ST78C36/36A is a monolithic Parallel Port
Interface for use with IBM PC compatible platforms.
Operation as a standard Centronics printer port is the
default, but software may re-configure the device to
support bi-directional IBM PS/2 parallel port,
Enhanced Parallel Port (EPP), or the Extended
Capabilities Port (ECP, as defined by Hewlett
Packard and Microsoft) modes. The ECP modes are
supported by a 16 byte FIFO that may be accessed
by programmed I/O or DMA cycles.
APPLICATIONS
Printers, Scanners and other peripherals
ZIP Drives and back up drives
Printer Server
Embedded Applications
FEATURES
IBM AT bus compatible
Bi-directional port capability
16 byte FIFO for ECP modes
On-chip oscillator (ST78C36A, ST78C36Q64)
Software selectable Interrupt (5, 7, or 9) and 8-bit
DMA channel (ST78C36CQ64)
FIGURE 1. ST78C36/36A BLOCK DIAGRAM
D0-D7
-IOR
-IOW
RESET
A0-A2
A10
-CS
AEN
-IOR, -IOW
-IRQx
IOCHRDY
DRQx
PDIR
Da
ta
b
u
s
&
Con
trol
Logic
Register
Se
le
ct
Logi
c
Interr
upt
Contr
ol
Logic
Printer
Data
Ports
PD0-PD7
Printer
Control
Logic
-STROBE
INIT
-AUTOFDX
-SELCTIN
PE, SELECT
BUSY, -ACK
-ERROR
Printer
FIFO
Registers
Inter
Conne
ct
Bus
Line
s
&
Control
signals
Clock
&
Timing
Generator
XTAL1
XTAL2
TC
-DACKx
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