參數(shù)資料
型號(hào)： L8708H
廠(chǎng)商： ZiLOG, Inc.
英文描述： IR/Low-Voltage Microcontroller
中文描述： 紅外/低電壓微控制器
文件頁(yè)數(shù)： 1/66頁(yè)
文件大?。?/td> 599K
代理商： L8708H
DS96LV00800
P R E L I M I N A R Y
1
1
P
RELIMINARY
P
RODUCT
S
PECIFICATION
Z86L88/81/86/87/89/73
IR/L
OW
-V
OLTAGE
M
1
ICROCONTROLLER
FEATURES
I
Low Power Consumption - 40 mW (Typical)
I
Three Standby Modes
–
STOP
–
HALT
–
Low Voltage
I
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 16-Bit Capture Register
–
Programmable Input Glitch Filter for Pulse
Reception
I
Five Priority Interrupts
–
Three External
–
Two Assigned to Counter/Timers
I
Low Voltage Detection and Standby Mode
I
Programmable Watch-Dog/Power-On Reset Circuits
I
Two Independent Comparators with Programmable
Interrupt Polarity
I
On-Chip Oscillator that Accepts a Crystal, Ceramic
Resonator, LC, RC (Mask Option), or External Clock
Drive
I
Mask Selectable 200 kOhms Pull-Ups on Ports 0, 2, 3
–
All Eight Port 2 Bits at One Time or Not
–
Pull-Ups Automatically Disabled Upon Selecting
Individual Pins as Outputs.
I
Maskable Mouse/Trackball Interface on P00 Through
P03.
I
32 kHz Oscillator Mask Option
GENERAL DESCRIPTION
The Z86LXX family of IR (Infrared) CCP
troller Processor) Controllers are ROM/ROMless-based
members of the Z8
single-chip microcontroller family with
256 bytes of internal RAM. The differentiating factor be-
tween these devices is the availability of ROM, and pack-
age options. For the 40 and 44-pin devices the use of ex-
ternal memory enables these Z8 microcontrollers to be
used where code flexibility is required. Zilog’s CMOS mi-
crocontrollers offers fast executing, efficient use of memo-
ry, sophisticated interrupts, input/output bit manipulation
capabilities, automated pulse generation/reception, and in-
(Consumer Con-
ternal key-scan pull-up resistors. The Z86LXX product line
offers easy hardware/software system expansion cost-ef-
fective and low power consumption.
The Z86LXX 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 CCP offers a flexible I/O
scheme, an efficient register and address space structure,
and a number of ancillary features that are useful in many
Device
Z86L88
Z86L81
Z86L86
Z86L87
Z86L89
Z86L73
ROM
(KB)
16
24
32
16
24
32
RAM*
(Bytes)
237
237
237
236
236
236
I/O
Lines
23
23
23
31
31
31
Voltage
Range
2.0V to 3.9V
2.0V to 3.9V
2.0V to 3.9V
2.0V to 3.9V
2.0V to 3.9V
2.0V to 3.9V
Note:
*General-Purpose
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