st62t62b STMicroelectronics, st62t62b Datasheet - Page 66
st62t62b
Manufacturer Part Number
st62t62b
Description
8-bit Otp/eprom Mcus With A/d Converter, Auto-reload Timer And Eeprom
Manufacturer
STMicroelectronics
Datasheet
1.ST62T62B.pdf
(68 pages)
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ST6252B ST6262B
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST6252B and ST6262B are mask pro-
grammed ROM version of ST62T52B and
ST62T62B OTP devices.
They offer the same functionality as OTP devices,
selecting as ROM options the options defined in
the programmable option byte of the OTP version.
Figure 1. Programming wave form
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1.2 ROM READOUT PROTECTION
If the ROM READOUT PROTECTION option is
selected, a protection fuse can be blown to pre-
vent any access to the program memory content.
In case the user wants to blow this fuse, high volt-
age must be applied on the TEST pin.
Figure 2. Programming Circuit
Note: ZPD15 is used for overvoltage protection
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