Z85C3010PSG Zilog, Z85C3010PSG Datasheet - Page 240
Z85C3010PSG
Manufacturer Part Number
Z85C3010PSG
Description
IC 10MHZ Z8500 CMOS SCC 40-DIP
Manufacturer
Zilog
Series
SCCr
Specifications of Z85C3010PSG
Processor Type
Z80
Features
Error Detection and Multiprotocol Support
Speed
10MHz
Voltage
5V
Mounting Type
Through Hole
Package / Case
40-DIP (0.620", 15.75mm)
Cpu Speed
8MHz
Digital Ic Case Style
DIP
No. Of Pins
40
Supply Voltage Range
5V
Operating Temperature Range
0°C To +70°C
Svhc
No SVHC (18-Jun-2010)
Base Number
85
Rohs Compliant
Yes
Clock Frequency
10MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-3934
Z85C3010PSG
Z85C3010PSG
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UM010901-0601
INTRODUCTION
This application note describes the use of the Z8030 Serial
Communications Controller (SCC) with the Z8000™ CPU
to
Synchronous Data Link Control (SDLC) mode of
operation. In this application, the Z8002 CPU acts as a
controller for the SCC. This application note also applies to
the non-multiplexed Z8530.
One channel of the SCC communicates with the remote
station in Half Duplex mode at 9600 bits/second. To test
DATA TRANSFER MODES
The SCC system interface supports the following data
transfer modes:
Polled Mode. The CPU periodically polls the SCC
status registers to determine if a received character is
available, if a character is needed for transmission, and
if any errors have been detected.
Interrupt Mode. The SCC interrupts the CPU when
certain previously defined conditions are met.
implement
U
SING
a
communications
SCC
WITH
controller
Z8000
in
a
A
this application, two Z8000 Development Modules are
used. Both are loaded with the same software routines for
initialization and for transmitting and receiving messages.
The main program of one module requests the transmit
routine to send a message of the length indicated by
“COUNT” parameter. The other system receives the
incoming data stream, storing the message in its resident
memory.
The example given here uses the block mode of data
transfer in its transmit and receive routines.
PPLICATION
IN
Block/DMA Mode. Using the Wait/Request (/W//REQ)
signal, the SCC introduces extra wait cycles in order to
synchronize the data transfer between a controller or
DMA and the SCC.
SDLC P
N
OTE
ROTOCOL
6-105
11
1
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