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PDF Z86E74 Data sheet ( Hoja de datos )

Número de pieza Z86E74
Descripción INFRARED REMOTE CONTROLLERS
Fabricantes Zilog. 
Logotipo Zilog. Logotipo



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No Preview Available ! Z86E74 Hoja de datos, Descripción, Manual

PRELIMINARY
Z86E73/E74/L73/L74
CP95LVO0801
PRELIMINARY
CUSTOMER PROCUREMENT SPECIFICATION
FEATURES
ROM
Part (Kbyte)
Z86E73 32
Z86L73 32
Z86E74 32
Z86L74 32
* General-Purpose
RAM* One-Time
(Kbyte) Programmable
1004
Yes
492 No
1004
Yes
1004
No
Speed
(MHz)
8
8
8
8
s 40-Pin DIP, 44-Pin PLCC/QFP Packages (E73/L73)
64-Pin DIP, 68-Pin PLCC Packages (E74/L74)
s 2.0V to 3.9V Operating Range (L73/L74)
4.5V to 5.5V Operating Range (E73/E74)
s Low-Power Consumption
(Typical: 40 mw for L73/L74)
(Typical: 60 mw for E73/E74)
s 0°C to +70°C Temperature Range
Z86E73/E74 32K OTP
Z86L73/L74 32K ROM
INFRARED REMOTE CONTROLLERS
s Expanded Register Files (ERF)
s 31 Input/Output Lines (E73/L73)
51 Input/Output Lines (E74/L74*)
*Note: With Auto Latch on Port 4, 5 and 6.
s Five Prioritized Interrupts with Programmable Polarity
s Two Comparators
s 8-Bit Counter/Timer with Two Capture Registers and
16-Bit Counter/Timer with One Capture Register
s Watch-Dog Timer (WDT)/Power-On Reset (POR)
s On-Chip Oscillator that Accepts a Crystal, Ceramic
Resonator, LC, RC, or External Clock Drive
s Low-Voltage Detection and Protection
s 32-KHz Mask Option to Disable Internal Feedback
Resistor (L73/L74)
GENERAL DESCRIPTION
The Z86E73/L73/E74/L74 are ROM-based members of
Zilog's Z8® 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
Circuit
Device
Power
Ground
VCC
GND
VDD
V
SS
CP95LVO0801
1

1 page




Z86E74 pdf
PIN DESCRIPTION (Continued)
PRELIMINARY
P21
P22
P23
P24
P50
P51
/DS
P53
P54
R//RL
P56
R//W
N/C
P25
P26
P27
P04
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
10 60
11 59
12 58
13 57
14 56
15 55
16 54
17 Z86E74/L74
18 PLCC
19
53
52
51
20 50
21 49
22 48
23 47
24 46
25 45
26 44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
PREF1
P36
P37
P35
/RESET
VSS
P62
P55
N/C
P63
/AS
P61
P60
P34
P33
P32
P31
Z86E74 (Standard Mode)
Z86L74 68-Pin PLCC Pin Assignments
Z86E73/E74/L73/L74
CP95LVO0801
5

5 Page





Z86E74 arduino
PRELIMINARY
AC CHARACTERISTICS
External I/O or Memory Read and Write Timing Diagram
Z86E73/E74/L73/L74
CP95LVO0801
R//W
Port 0, /DM
Port 1
/AS
/DS
(Read)
Port 1
/DS
(Write)
13
12 19
16
83
A7 - A0
12
4
5
17
A7 - A0
14
20
D7 - D0 IN
9
8
6
11
D7 - D0 OUT
7
10
15
External I/O or Memory Read/Write Timing
11

11 Page







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