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Z86E73 Datasheet

  • Z86E73

  • INFRARED REMOTE CONTROLLERS

  • 126.27KB

  • 19頁

  • ZILOG   ZILOG

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P R E L I M I N A R Y
Z86E73/E74/L73/L74
CP95LVO0801
P
RELIMINARY
C
USTOMER
P
ROCUREMENT
S
PECIFICATION
Z86E73/E74 32K OTP
Z86L73/L74 32K ROM
I
NFRARED
R
EMOTE
C
ONTROLLERS
FEATURES
Part
Z86E73
Z86L73
Z86E74
Z86L74
ROM
(Kbyte)
32
32
32
32
RAM*
One-Time
(Kbyte) Programmable
1004
Yes
492
No
1004
Yes
1004
No
Speed
(MHz)
8
8
8
8
s
s
Expanded Register Files (ERF)
31 Input/Output Lines (E73/L73)
51 Input/Output Lines (E74/L74*)
*Note: With Auto Latch on Port 4, 5 and 6.
* General-Purpose
s
s
s
Five Prioritized Interrupts with Programmable Polarity
Two Comparators
8-Bit Counter/Timer with Two Capture Registers and
16-Bit Counter/Timer with One Capture Register
Watch-Dog Timer (WDT)/Power-On Reset (POR)
On-Chip Oscillator that Accepts a Crystal, Ceramic
Resonator, LC, RC, or External Clock Drive
Low-Voltage Detection and Protection
32-KHz Mask Option to Disable Internal Feedback
Resistor (L73/L74)
s
40-Pin DIP, 44-Pin PLCC/QFP Packages (E73/L73)
64-Pin DIP, 68-Pin PLCC Packages (E74/L74)
2.0V to 3.9V Operating Range (L73/L74)
4.5V to 5.5V Operating Range (E73/E74)
s
s
s
Low-Power Consumption
(Typical: 40 mw for L73/L74)
(Typical: 60 mw for E73/E74)
0擄C to +70擄C Temperature Range
s
s
s
s
GENERAL DESCRIPTION
The Z86E73/L73/E74/L74 are ROM-based members of
Zilog's Z8
廬
single-chip microcontroller family of infrared
(IR) consumer controller processors featuring fast and
flexible code execution. The Z86E73/E74 devices offer a
one-time programmable (OTP) option.
For applications demanding powerful I/O capabilities, the
Z86E73/L73's dedicated input and output lines are grouped
into four ports, and into seven ports for the Z86E74/L74.
They are configurable under software control to provide
timing, status signals, or parallel I/O.
Four address spaces, the Program Memory, Register File,
Data Memory, and Expanded Register File (ERF) support
a wide range of memory configurations. Through the ERF
the designer has access to three additional control registers
that provide extra peripheral devices, I/O ports, and register
addresses.
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
datacommunications.
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
CP95LVO0801
1

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