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Z86L78 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Zilog. - IR/Low-Voltage Microcontroller

شماره قطعه Z86L78
شرح مفصل IR/Low-Voltage Microcontroller
تولید کننده Zilog. 
آرم Zilog. 


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Z86L78 شرح
PRODUCT SPECIFICATION
1
Z86L78
1
IR/LOW-VOLTAGE MICROCONTROLLER
FEATURES
ROM
RAM*
Voltage
Part (KB) (Bytes) I/O Range
Z86L78
16
493 16 2.0V to 3.9V
Note: *General-Purpose
s Low Power Consumption: 40 mW (Typical)
s Three Standby Modes (Typical)
– STOP - 2 µA
– HALT - 0.8 mA
– Low Voltage (<VLv)
s Programmable Watch-Dog/Power-On Reset Circuits
s All Digital Inputs are CMOS Levels
s Five Priority Interrupts
– Three External
– Two Assigned to Counter/Timers
s Two Independent Comparators with Programmable
Interrupt Polarity
s On-Chip Oscillator that Accepts a Crystal, Ceramic
Resonator, LC, RC (Mask Selectable), or External Clock
Drive
s Mask Selectable Option to Enable 32 kHz Crystal
Operation
s Special Architecture to Automate Both Generation and
Reception of Complex Pulses or Signals:
– One Programmable 8-Bit Counter/Timer with Two
Capture Registers
– One Programmable 16-Bit Counter/Timer with
One Capture Register
– Programmable Input Glitch Filter for Pulse
Reception
s Mask-Selectable 200 KOhm Pull-Ups on Ports 0, 2, 3:
– All Eight Port 2 Bits Individually Selected
– Pull-Ups Automatically Disabled Upon Selecting
an Output.
GENERAL DESCRIPTION
Zilog's Z86L78 is a low-voltage microcontroller, a member
of the IR (Infrared) Family, with 16 KB of ROM and 493
bytes of general-purpose RAM. Manufactured in CMOS
technology and offered in 20-pin DIP or SOIC styles pack-
ages, this cost-effective, low power consumption ROM-
based device offers fast execution, efficient use of memo-
ry, sophisticated interrupts, input/output bit manipulation
capabilities, automated pulse generation/reception, and
easy hardware/software system expansion.
The Z86L78 architecture is based on Zilog's 8-bit micro-
controller core, with an Expanded Register File to allow ac-
cess to register mapped peripherals, I/O circuits, and pow-
erful counter/timer circuitry. The Z86L78 offers a flexible
I/O scheme, an efficient register and address space struc-
ture, and a number of ancillary features that are useful in
many consumer, automotive, computer peripheral, and
battery operated hand-held applications.
For applications demanding powerful I/O capabilities, the
Z86L78 provides 16 pins dedicated to input and output.
These lines are grouped into three ports, which are config-
urable under software control to provide timing, status sig-
nals and parallel I/O.
There are four basic address spaces available to support a
wide range of configurations: Program Memory, Register
File, Expanded Register File, and Extended Data RAM.
DS97LVO0701
2-1

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