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Z86L75 PDF даташит

Спецификация Z86L75 изготовлена ​​​​«Zilog.» и имеет функцию, называемую «IR/Low-Voltage Microcontroller».

Детали детали

Номер произв Z86L75
Описание IR/Low-Voltage Microcontroller
Производители Zilog.
логотип Zilog. логотип 

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Z86L75 Даташит, Описание, Даташиты
PRELIMINARY PRODUCT SPECIFICATION
1
Z86L70/71/75/C71
1
IR/LOW-VOLTAGE MICROCONTROLLER
FEATURES
ROM
RAM*
Voltage
Part
(KB) (Bytes) I/O
Ranges
Z86L70
2
125 14 2.0V to 3.9V
Z86L71
8
237 16 2.0V to 3.9V
Z86L75
4
237 14 2.0V to 3.9V
Z86C71
8
237 16 4.5V to 5.5V
Note: *General-Purpose
s Two Standby Modes (Typical)
– STOP - 2 µA
– HALT - 0.8 mA
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 Five Priority Interrupts
s Low Voltage Detection and Protection
s Programmable Watch-Dog/Power-On Reset Circuits
s Two Independent Comparators with Programmable
Interrupt Polarity
s On-Chip Oscillator that Accepts a Crystal, Ceramic
Resonator, LC, RC (mask option), or External Clock
Drive
s Mask Selectable 200 KOhm Pull-Ups on Ports 0, 2, 3
GENERAL DESCRIPTION
The Z86L7X family of IR (Infrared)/Low-Voltage Microcon-
trollers are ROM/ROMless-based members of the Z8®
MCU single-chip family with 237/125 bytes of internal
RAM. The differentiating factor between these devices is
the availability of RAM, ROM and package options. Offer-
ing the 3V versions (Z86LXX) with the Z86C71 gives opti-
mum performance in both the low and high voltage ranges.
Zilog's CMOS Low-Voltage Microcontrollers offer fast exe-
cution, efficient use of memory, sophisticated interrupts, in-
put/output bit manipulation capabilities, automated pulse
generation/reception, and internal key-scan pull-up resis-
tors. The Z86L7X product line offers easy hardware/soft-
ware system expansion with cost-effective and low power
consumption.
The Z86L7X 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 Z8® MCU 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.
There are three basic address spaces available to support
a wide range of configurations: Program Memory, Register
File, and Expanded Register File. The register file is com-
posed of 256/144 bytes of RAM. It includes four I/O port
registers, 15 control and status registers and the rest are
General-Purpose registers. The Expanded Register File
consists of two additional register groups (F and D). Exter-
nal Memory is not available on 18 and 20-pin versions.
DS97LVO0500
PRELIMINARY
1-1









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Z86L75 Даташит, Описание, Даташиты
Z86L70/71/75/C71
IR/Low-Voltage Microcontroller
GENERAL DESCRIPTION (Continued)
To unburden the program from coping with such real-time
problems as generating complex waveforms or receiving
and demodulating complex waveform/pulses, the Z86L7X
family offers a new intelligent counter/timer architecture
Zilog
with 8-bit and 16-bit counter/timers (Figure 1). Also includ-
ed are a large number of user-selectable modes, and two
on-board comparators to process analog signals (Figure
2).
HI16
8
LO16
8
1 24 8
SCLK Clock
Divider
Input Glitch
Filter
Edge
Detect
Circuit
16-Bit
T16
8
TC16H
16
8
TC16L
HI8
8
LO8
8
8-Bit
T8
8
TC8H
8
TC8L
And/Or
Logic
Figure 1. Counter/Timer Block Diagram
Timer 16
Timer 8/16
Timer 8
1-2
PRELIMINARY
DS97LVO0500









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Z86L75 Даташит, Описание, Даташиты
Zilog
Z86L70/71/75/C71
IR/Low-Voltage Microcontroller
P00 2 Port 0
P07
I/O Bit
Programmable
P20
P21
P22
P23
P24
P25
P26
P27
Port 2
Register File
144/256 x 8-bit
Register Bus
ROM
2K/4K/8K x 8
Internal
Address Bus
Internal Data Bus
Z8 Core
Expanded
Register
File
Expanded
Register Bus
Port 3
P31
P32
P33
P34
P35
P36
Two Analog
Comparators
Interrupt Control
Machine
Timing
&
Instruction
Control
XTAL2
XTAL1
Counter/Timer 8
8-Bit
Counter/Timer 16
16-Bit
Power
VDD
VSS
Figure 2. Functional Block Diagram
1
Note: All Signals with a preceding front slash, "/", are ac-
tive Low, for example, B//W (WORD is active Low); /B/W
(BYTE is active Low, only).
Power connections follow conventional descriptions be-
low:
Connection
Power
Ground
Circuit
VCC
GND
Device
VDD
VSS
DS97LVO0500
PRELIMINARY
1-3










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