Z86L70 Datasheet, PDF (1/61 Pages) Zilog, Inc. – IR/Low-Voltage Microcontroller

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