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CZ80PIO 데이터시트 PDF




CAST에서 제조한 전자 부품 CZ80PIO은 전자 산업 및 응용 분야에서
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부품번호 CZ80PIO 기능
기능 Hereinafter Referred to As PIO is a Dual-Port Device
제조업체 CAST
로고 CAST 로고


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CZ80PIO 데이터시트, 핀배열, 회로
CZ80PIO
Peripheral Device
Megafunction
General Description
The CZ80PIO, hereinafter referred to as PIO, is a dual-port device which can be programmed by the system
software to function as a broad range of peripheral devices that are compatible with the Z80CPU such as most
keyboards, printers etc.
System design is simplified because the PIO connects directly to the Z80CPU with no additional logic. In larger
systems, address decoders and buffers may be required.
The CZ80PIO is a microcode-free design developed for reuse in ASIC and FPGA implementations. The design
is strictly synchronous, with no internal tri-states and a synchronous reset.
Symbol
8 data_i
8 data_o
ardy
astb_n
data_tri
clk
cdselect
portselect
porta_i
porta_o
porta_tr
ce_n CZ80PIO
m1_n
iorq_n
rd_n
brdy
bstb_n
int_n
ieo
iei
portb_i
portb_
o
8
8
8
8
8
8
Features
Provides a direct interface between Z80
microprocessor systems and peripheral
devices
Two ports with interrupt-driven handshake for
fast response
Four programmable operating modes:
Output Mode (both ports)
Input Mode (both ports)
Bi-directional (Port A only)
Bit Control Mode (both ports)
Programmable interrupts on peripheral status
conditions
Applications
Programmable, dual - port device
Interface for a wide range of peripheral
devices such as:
Keyboards
Printers
Paper table readers
PROM programmers etc.
CAST, Inc.
May 2004
Page 1




CZ80PIO pdf, 반도체, 판매, 대치품
CZ80PIO Megafunction Datasheet
Deliverables
Netlist License
Post-synthesis EDIF netlist
Testbench (self checking)
Vectors for testing the functionality of the
megafunction
Place & Route Script
Constraint file
Simulation script
Documentation
HDL Source License
VHDL or Verilog RTL source code
Testbench (self checking)
Vectors for testing the functionality of the
megafunction
Simulation scripts
Synthesis scripts
Documentation
Verification Methods
The CZ80PIO megafunction’s functionality was verified by means of a proprietary hardware modeler. The
same stimulus was applied to a hardware model that contained the original Zilog Z80PIO chip, and the results
compared with the megafunction’s simulation outputs.
Megafunction Modifications
The CZ80PIO megafunction can be modified to include additional new ports. Please contact CAST, Inc. directly
for any required modifications.
Contact Information
CAST, Inc.
11 Stonewall Court
Woodcliff Lake, New Jersey 07677 USA
Phone: +1 201-391-8300
Fax: +1 201-391-8694
URL: www.cast-inc.com
CAST, Inc.
This megafunction developed by peripheral
controller experts at Evatronix SA
Copyright © CAST, Inc. 2004, All Rights Reserved. Contents subject to change without notice
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관련 데이터시트

부품번호상세설명 및 기능제조사
CZ80PIO

Hereinafter Referred to As PIO is a Dual-Port Device

CAST
CAST

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