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PDF Z86L80 Data sheet ( Hoja de datos )
| Número de pieza | Z86L80 | |
| Descripción | Low-Voltage Microcontroller | |
| Fabricantes | Zilog. | |
| Logotipo |  |
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PRELIMINARY PRODUCT SPECIFICATION
1
Z86L79/L80
1
LOW-VOLTAGE MICROCONTROLLER
FEATURES
ROM RAM*
Part (KB) (Bytes)
Z86L79
Z86L80
4
8
237
237
Note: *General-Purpose
I/O Voltage Range
24 2.0V to 3.9V
24 2.0V to 3.9V
s Three Standby Modes (Typical)
– STOP - 2 µA
– HALT - 0.8 mA
– Low Voltage Standby (<VLV)
s Expanded Register File Control Registers
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 Standby Mode
s 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, or External Clock Drive
s Mask Selectable 200 kOhm 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.
s Maskable SingleTrip Point Inputs on P00 Through P03.
s Permanently Enabled WDT Option (Maskable)
s 28-Pin DIP and SOIC Packages
GENERAL DESCRIPTION
The Z86L79/L80 family of IR (InfraRed) Controllers are
ROM-based members of the Z8® MCU single-chip micro-
controller family with 237 bytes of general-purpose RAM.
The only differentiating factor between these two versions
is the availability of ROM. Zilog's CMOS microcontrollers
offer fast execution, efficient use of memory, sophisticated
interrupts, input/output bit manipulation capabilities, auto-
mated pulse generation/reception, and easy hard-
ware/software system expansion along 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.
DS97LVO0601
PRELIMINARY
3-1
1 page  
Zilog
28-Pin DIP &
SOIC
14
23
24
5
6
7
8
15
25
26
27
28
1
2
3
4
21
12
13
16
17
18
19
22
11
10
9
20
Table 1. Pin Identification
Symbol
P00
P01
P02
P03
P04
P05
P06
P07
P20
P21
P22
P23
P24
P25
P26
P27
Pref1
P31
P32
P33
P34
P35
P36
P37
XTAL1
XTAL2
VDD
VSS
Direction
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input
Input
Input
Input
Output
Output
Output
Output
Input
Output
Z86L79/80
Low-Voltage Microcontroller
Description
Port 0 is Nibble Programmable.
1
Port 0 can be configured as a 0.4 VDD
single-trip point
Port 2 pins are individually configurable
as input or output.
Analog Ref Input
IRQ2/Modulator input
IRQ0
IRQ1
T8 output
T16 output
T8/T16 output
Crystal, Oscillator Clock
Crystal, Oscillator Clock
Power Supply
Ground
PRELIMINARY
3-5
5 Page 
Zilog
AC CHARACTERISTICS
Handshake Timing Diagram
Z86L79/80
Low-Voltage Microcontroller
1
Data In
/DAV
(Input)
RDY
(Output)
Data In Valid
1
3
2
Delayed DAV
4
Next Data In Valid
5
Delayed RDY
6
Figure 7. Port I/O with Input Handshake Timing
Data Out
/DAV
(Output)
RDY
(Input)
Data Out Valid
Next Data Out Valid
7
Delayed DAV
89
11
10
Delayed RDY
Figure 8. Port I/O with Output Handshake Timing
PRELIMINARY
3-11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet Z86L80.PDF ] | |
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