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Z8615 Datasheet

  • Z8615

  • NMOSZ8 8-BITMCU KEYBOARD CONTROLLER

  • 10頁(yè)

  • ZILOG   ZILOG

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Z8615
CPS DC-4143-05
C
USTOMER
P
ROCUREMENT
S
PECIFICATION
Z8615
NMOSZ8
廬
8-BITMCU
K
EYBOARD
C
ONTROLLER
DESCRIPTION
The Z8615 Keyboard Controller (KBC) is a member of the
Z8
廬
single-chip microcontroller family with 4 Kbytes of
ROM. The device is housed in a 40-pin DIP and 44-pin
PLCC package, and is manufactured in NMOS technol-
ogy. The Z8615 KBC microcontroller offers fast execution,
efficient use of memory, sophisticated interrupt, input/
output bit-manipulation capabilities, and easy hardware/
software system expansion along with low cost and low
power consumption.
The Z8615 KBC architecture is characterized by a flexible
I/O scheme, an efficient register, I/O, and a number of
ancillary features that are useful in many industrial and
advanced scientific applications.
For applications which demand powerful I/O capabilities,
the KBC provides 32 pins dedicated to input and output.
These lines are grouped into four ports, each port consists
of 8 lines, and are configurable under software control to
provide timing, status signals, and serial or parallel I/O
ports.
The Z8615 KBC offers low EMI emission which is achieved
by means of several modifications in the output drivers and
clock circuitry of the device.
There are two basic address spaces which are available to
support this wide range of configurations: Program Memory
and 124 General-Purpose Registers.
The Z8615 KBC offers two on-chip counter/timers with a
large number of user-selectable modes. This unburdens
the program from coping with real-time problems such as
counting/timing (Block Diagram).
Notes:
All Signals with a preceding front slash, "/", are active Low, e.g.,
B//W (WORD is active Low); /B/W (BYTE is active Low, only).
Power connections follow conventional descriptions below:
Connection
Power
Ground
Circuit
V
CC
GND
Device
V
DD
V
SS
DC-4143-05
(5-13-94)
1

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