Z86E7216PSG Zilog, Z86E7216PSG Datasheet - Page 39
![IC 16K OTP ZIRC 40-DIP](/photos/6/57/65796/269-40-dip_sml.jpg)
Z86E7216PSG
Manufacturer Part Number
Z86E7216PSG
Description
IC 16K OTP ZIRC 40-DIP
Manufacturer
Zilog
Series
Z8®r
Datasheet
1.Z86E7216PSC.pdf
(102 pages)
Specifications of Z86E7216PSG
Core Processor
Z8
Core Size
8-Bit
Speed
16MHz
Peripherals
LVD, POR, WDT
Number Of I /o
31
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
748 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.620", 15.75mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
- Current page: 39 of 102
- Download datasheet (2Mb)
PS008704-0507
/RESET (Input, Active Low)
Note:
Reset initializes the MCU. Reset is accomplished either through Power-On,
Watch-Dog Timer, Stop-Mode Recovery, Low-Voltage detection, or external reset.
During Power-On Reset and Watch-Dog Timer Reset, the internally generated
reset drives the reset pin Low for the POR time. Any devices driving the reset line
need to be open-drain to avoid damage from a possible conflict during reset con-
ditions. Pull-up is provided internally. There is no condition internal to the Z86E7X
that does not allow an external reset to occur.
After the POR time, /RESET is a Schmitt-triggered input. To avoid asynchronous
and noisy reset problems, the Z86E7X is equipped with a reset filter of four exter-
nal clocks (4TpC). If the external reset signal is less than 4TpC in duration, no
reset occurs. On the fifth clock after the reset is detected, an internal RST signal is
latched and held for an internal register count of 18 external clocks or for the dura-
tion of the external reset, whichever is longer.
During the reset cycle, /DS is held active Low while /AS cycles at a rate of TpC/2.
Program execution begins at location 000CH, 5–10 TpC cycles after the RST is
released. For Power-On Reset, the typical reset output time is 5 ms.
The Z86E7X devices do not have internal pull resistors on
Port 3 inputs.
OTP Microcontroller
35
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