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ST62T62CN6 Datasheet(PDF) 8 Page - STMicroelectronics

No. de Pieza. ST62T62CN6
Descripción  8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, SAFE RESET, AUTO-RELOAD TIMER AND EEPROM
Descarga  78 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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ST62T62CN6 Datasheet(HTML) 8 Page - STMicroelectronics

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ST62T52C ST62T62C/E62C
MEMORY MAP (Cont’d)
1.3.2 Program Space
Program Space comprises the instructions to be
executed, the data required for immediate ad-
dressing mode instructions, the reserved factory
test area and the user vectors. Program Space is
addressed via the 12-bit Program Counter register
(PC register).
1.3.2.1 Program Memory Protection
The Program Memory in OTP or EPROM devices
can be protected against external readout of mem-
ory by selecting the READOUT PROTECTION op-
tion in the option byte.
In the EPROM parts, READOUT PROTECTION
option can be disactivated only by U.V. erasure
that also results into the whole EPROM context
erasure.
Note: Once the Readout Protection is activated, it
is no longer possible, even for STMicroelectronics,
to gain access to the OTP contents. Returned
parts with a protection set can therefore not be ac-
cepted.
Figure 4. ST62T52C/T62C Program
Memory Map
0000h
RESERVED*
USER
PROGRAM MEMORY
(OTP/EPROM)
1836 BYTES
0F9Fh
0FA0h
0FEFh
0FF0h
0FF7h
0FF8h
0FFBh
0FFCh
0FFDh
0FFEh
0FFFh
RESERVED*
RESERVED
INTERRUPT VECTORS
NMI VECTOR
USER RESET VECTOR
(*) Reserved areas should be filled with 0FFh
0880h
087Fh


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