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參數(shù)資料
| 型號(hào)： | Z86C17 |
| 廠商： | ZiLOG, Inc. |
| 英文描述： | CMOS Z8 8-BIT MICROCONTROLLERS (POINTING DEVICE/TRACKBALL) |
| 中文描述： | 的CMOS Z8 8位微控制器（定位設(shè)備/軌跡球） |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大?。?/td> | 63K |
| 代理商： | Z86C17 |
Z86217/C17
CP95KEY1000
1
P R E L I M I N A R Y
CP95KEY1000 8/95
FEATURES
P
RELIMINARY
C
USTOMER
P
ROCUREMENT
S
PECIFICATION
Part
Number
ROM
(Kbytes)
RAM*
(Bytes)
I/O
Lines
Speed
(MHz)
Z86217
Z86C17
2
2
124
124
14
14
4
4
Z86217/C17
CMOS Z8
8-B
IT
M
ICROCONTROLLERS
(P
OINTING
D
EVICE
/T
RACKBALL
)
* General-Purpose
I
18-Pin DIP and SOIC Packages
I
3.0- to 5.5-Volt Operating Range
I
0
°
C to 70
°
C Operating Temperature Range
I
Permanent Watch-Dog Timer (WDT)
I
Oscillator Filter
I
Two Programmable 8-Bit Counter/Timers
I
Low-EMI Operation
I
Scalable Trip-Point Buffer
I
On-Board Pull-Up Resistors
I
High Drive Ports Can Sink 20 mA Per Pin, with Three
Pins Maximum
GENERAL DESCRIPTION
The Z86217/C17 are members of Zilog's Z8
family of
microcontrollers designed to reduce external system com-
ponents and offer easy software/hardware development
tools for pointing device and trackball applications.
The devices feature on-board pull-up resistors, and a
scalable trip-point buffer to accommodate opto-transistor
outputs. The high drive ports are capable of up to 20 mA
(at V
OL
= 0.8-volt) current sinking per pin, with three pins
maximum, providing extra sinking current capability.
The Z86217/C17's permanently enabled Watch-Dog Timer
(WDT) operates upon power-up of the MCU, and provides
added operational reliability for pointing device and
trackball environments.
An oscillator filter assists in separating out high-frequency
noise from the oscillator input pin.
Two on-chip counter/timers with a large number of
selectable modes, offload the system of administering
real-time tasks such as counting/timing and I/O data
communications.
Notes:
Refer to the DC electrical characteristics for detailed specification of the
sinking current.
On the Z86C17, P24-P27 has a 20K pull-up, and P32 has a 47K pull-
down. The Z86217 does not have these functions.
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
Circuit
Device
Power
Ground
V
CC
GND
V
DD
V
SS
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