The Z86E47 Digital Television Controller (DTC) introduce
a new level of sophistication to single-chip architecture.
The Z86E47 is a member of the Z8 single-chip
microcontroller family with 16 Kbytes of OTP (One-TimeProgrammable) ROM and 236 bytes of RAM. The device
is housed in a 64-pin DIP package, and is CMOS compatible. The part features ROMs for program storage and
character generation. The Z86E47 microcontroller may be
used in prototyping, low volume applications or where
code development is required. Zilog’s DTC offers fast
execution, efficient use of memory, sophisticated interrupts, input/output bit manipulation capabilities, and easy
hardware/software system expansion along with low cost
and low power consumption. The device provides an ideal
performance and reliability solution for consumer and
industrial television applications.
The Z86E47 architecture utilizes Zilog’s advanced
Superintegration™ design methodology. The device has
an 8-bit internal data path controlled by a Z8 microcontroller,
On-Screen Display (OSD) logic circuits/Pulse Width Modulators (PWM). On-chip peripherals include five register/
memory mapped I/O ports (Ports 2, 3, 4, 5, and 6), Interrupt
control logic (1 software, 2 external and 3 internal interrupts) and a standby mode recovery input port (Port 3, pin
P30).
The OSD control circuits support eight rows by 20 columns
for 128 kinds of characters. The character color is specified by row. One of the eight rows is assigned to show two
kinds of colors for bar type displays such as volume
control. The OSD is capable of displaying high resolution
(11x15 dot pattern) characters.
A 14-bit PWM port provides enough voltage resolution for
a voltage synthesizer tuning system. Seven 6-bit PWM
ports are used for controlling audio signal level. Five 8-bit
PWM ports are used to vary picture levels.
DTC applications demand powerful I/O capabilities. The
Z86E47 fulfills this with 35 I/O pins dedicated to input and
output. These lines are grouped into five ports, and are
configurable under software control to provide timing,
status signals, parallel I/O and an address/data bus for
interfacing to external memory.
There are three basic address spaces available to support
this wide range of configurations: Program Memory, Register File and Data Memory. The Data Memory address
space contains a number of control registers for the
PWMs, OSD, and I/O Ports 4, 5, and 6. Specifically, there
are 13 PWM and eight OSD control registers mapped into
the external memory address space. Three I/O registers
for Ports 4, 5, and 6 reside in data memory space as well.
The Register File is composed of 236 bytes of general
purpose register, two I/O Port registers and 15 control and
status registers.
To unburden the program from coping with the real-time
problems such as counting/timing and data communication, the DTC’s offer two on-chip counter/timers with a large
number of user selectable modes (see block diagram).
Note: 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).
DC-4157-01(2-18-94)
1
Page 2
PRELIMINARY
PRODUCT RECOMMENDATIONS
Zilog recommends the following programming equipment
for use with this one-time-programmable product.
Recommended
DeviceZilog Support ToolHardware
Z86E4700ZDPZ86E47 Programming AdapterA
Z86E47-ROM
CPS DC-4157-01
Some non-Zilog programmers may have different programming waveforms, voltages and timings and not all
programmers may meet the programming requirements of
Zilog's one-time-programmable products.
Stress greater than those listed under Absolute Maximum
Ratings may cause permanent damage to the device. This
is a stress rating only; operation of the device at any
tions of these specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods
may affect device reliability.
condition above those indicated in the operational sec-
SymbolParametersMinMaxUnitsNotes
V
CC
V
I
V
I
V
O
I
OH
I
OH
I
OL
I
OL
I
OL
T
A
T
STG
Notes:
[1] Port 2 open-drain
[2] PWM open-drain outputs
[3] Port 5
Power Supply Voltage †–0.3+7V
Input Voltage–0.3V
Input Voltage–0.3V
Output Voltage–0.3V
+ 0.3V
CC
+ 0.3V[1]
CC
+ 8.0V[2]
CC
Output Current High–10mA1 pin
Output Current High–100mAall total
Output Current Low20mA1 pin
Output Current Low40mA[3] (1 pin)
Output Current Low,all total200mA
Operating Temperature††
Storage Temperature–65+150C
† Voltage on all pins with respect to GND.
†† See Ordering Information
STANDARD TEST CONDITIONS
The characteristics listed below apply for standard test
conditions as noted. All voltages are referenced to GND.
Positive current flows into the referenced pin (see Test
Load Diagram).
5TwTinHTimer input high width3 TpC
6TpTinTimer input period8 TpC
7TrTin,TfTinTimer input raise and fall100ns
8ATwILInt req input low70ns
8BTwIL3 TpC
9TwIHInt request input high3 TpC
10TdPORPower On Reset delay25100ms
11TdLVIRESLow voltage detect to In-200ns
12TwRESReset minimum width5 TpC
13TdHsOIHsync start to Vosc stop2 TpV3 TpV
14TdHsOhHsync end to Vosc start1 TpV
15TdWDTWDT Refresh Time12ms
=+4.5 V to +5.5 V; F
CC
Internal RESET condition
=4 MHz,
OSC
Notes:
[1] Refer to DC Characteristics for details on switching levels.
* Units in nanoseconds
7
Page 8
PRELIMINARY
Pre-Characterization Product:
The product represented by this CPS is newly introduced
and Zilog has not completed the full characterization of the
product. The CPS states what Zilog knows about this
product at this time, but additional features or non-conformance with some aspects of the CPS may be found,
Z86E47-ROM
CPS DC-4157-01
either by Zilog or its customers in the course of further
application and characterization work. In addition, Zilog
cautions that delivery may be uncertain at times, due to
start-up yield issues.
Zilog’s products are not authorized for use as critical components in life support devices or systems unless a specific written
agreement pertaining to such intended use is executed between
the customer and Zilog prior to use. Life support devices or
systems are those which are intended for surgical implantation
into the body, or which sustains life whose failure to perform,
when properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to result in
significant injury to the user.
Zilog, Inc. 210 East Hacienda Ave.
Campbell, CA 95008-6600
Telephone (408) 370-8000
Telex 910-338-7621
FAX 408 370-8056
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