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Z86L33 Datasheet

  • Z86L33

  • CMOS Z8 CONSUMER CONTROLLER PROCESSOR

  • 16頁

  • ZILOG   ZILOG

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Z86L33/L43
CP96LVO1501
P
RELIMINAR Y
C
USTOMER
P
ROCUREMENT
S
PECIFICA TION
Z86L33/L43
CMOS Z8
廬
C
ONSUMER
C
ONTROLLER
P
ROCESSOR
FEATURES
Part
Z86L33
Z86L43
ROM
(KB)
4
4
RAM*
(Bytes)
237
236
Speed
(MHz)
8
8
s
32 Input/Output Lines (L43)
24 Input/Output Lines (L33)
Vectored, Prioritized Interrupts with
Programmable Polarity
Two Analog Comparators
Two Programmable 8-Bit Counter/Timers,
Each with Two 6-Bit Programmable Prescaler
Watch-Dog Timer (WDT)/Power-On Reset (POR)
On-Chip Oscillator that Accepts a Crystal, Ceramic
Resonator, LC, RC, or External Clock
RAM and ROM Protect
s
* General-Purpose
s
40-Pin DIP, 44-Pin PLCC and QFP Packages (L43)
28-Pin DIP, 28-Pin SOIC (L33)
2.0- to 3.9-Volt Operating Range
Low-Power Consumption
0擄C to +70擄C Operating Range
Expanded Register File (ERF)
s
s
s
s
s
s
s
s
s
GENERAL DESCRIPTION
The Z86L33/L43 Consumer Controller Processor (CCP
鈩?/div>
)
is a member of Zilog's Z8
廬
single-chip microcontroller
family with enhanced wake-up circuitry, programmable
Watch-Dog Timers (WDT), and low-noise/EMI options.
These enhancements result in a more efficient, cost-
effective design and provide the user with increased
design flexibility over the standard Z8 microcontroller
core. This low-power consumption CMOS microcontroller
offers fast execution, efficient use of memory, sophisti-
cated interrupts, input/output bit manipulation capabili-
ties, and easy hardware/software system expansion.
The Z86L33/L43 features an Expanded Register File (ERF)
to allow access to register-mapped peripheral and I/O
circuits. Four basic address spaces are available to sup-
port this wide range of configurations: Program Memory,
Register File, External Data Memory (L43), and ERF. The
Register File is composed of 236 bytes of general-purpose
registers, four I/O port registers, and 15 control and status
registers. The ERF consists of three control registers
(Banks 0,D, and F)
For applications demanding powerful I/O capabilities, the
Z86L33 provides 24 pins, and the Z86L43 provides 32 pins
dedicated to input and output. These lines are configurable
CP96LVO1501 (6/96)
under software control to provide timing,
status signals, parallel I/O with or without handshake, and
address/data bus for interfacing external memory.
To unburden the system from coping with real-time tasks
such as counting/timing and data communication, the
Z86L33/L43 offers two on-chip counter/timers with a large
number of user-selectable modes.
With ROM/ROMless selectivity, the Z86L43 provides both
external memory and pre-programmed ROM, which
enables this Z8 microcontroller to be used in high-volume
applications, or where code flexibility is required.
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
1

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