Z0847006PSG Zilog, Z0847006PSG Datasheet - Page 21
Z0847006PSG
Manufacturer Part Number
Z0847006PSG
Description
IC 6MHZ Z80 NMOS DART 40-DIP
Manufacturer
Zilog
Series
Z80r
Datasheet
1.Z0847006PSG.pdf
(330 pages)
Specifications of Z0847006PSG
Processor Type
Z80
Features
Dual Channel Asynchronous Receiver/Transmitter (DART)
Speed
6MHz
Voltage
5V
Mounting Type
Through Hole
Package / Case
40-DIP (0.620", 15.75mm)
Mounting Style
Through Hole
Cpu Speed
6MHz
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
847006
Rohs Compliant
Yes
Clock Frequency
6MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z0847006PSG
Manufacturer:
Zilog
Quantity:
22
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- Download datasheet (3Mb)
UM008101-0601
Structure of Channel Logic
From
Z80 CPU
priority. The CPU bus interface logic allows the CTC device to interface
directly to the CPU with no other external logic. However, port address
decoders and/or line buffers may be required for large systems. A block
diagram of the Z80 CTC is depicted in Figure 1.
Figure 1.
The structure of one of the four sets of Counter/Timer channel logic is
illustrated in Figure 2. This logic is composed of:
•
•
•
The registers consist of an 8-bit Time Constant register and an 8-bit
Channel Control register. The counters consist of an 8-bit CPU-readable
down-counter and an 8-bit prescaler.
Two registers
Two counters
Control logic
Control
Data
CTC Block Diagram
8
6
CPU
BUS
I/O
Internal Bus
RESET
Counter/Timer Channels
< % 2 7 2 G T K R J G T C N U
Counter/
Interrupt
Internal
Control
Timer
Logic
Logic
Logic
7 U G T / C P W C N
3
4
INT
IEI
IEO
ZC/TO
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