參數(shù)資料
型號(hào): ST6215
廠商: 意法半導(dǎo)體
英文描述: 8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, OSCILLATOR SAFEGUARD, SAFE RESET AND 28 PINS
中文描述: 8位檢察官辦公室/存儲(chǔ)器與阿微控制器/ D轉(zhuǎn)換器,振蕩器保障,安全復(fù)位和28個(gè)引腳
文件頁(yè)數(shù): 7/70頁(yè)
文件大?。?/td> 472K
代理商: ST6215
7/70
ST62T15C/T25C/E25C
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 ProgramCounter register
(PC register) Program Memory Protection.
The Program Memory in OTP or EPROM devices
can beprotected against external readoutof 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. Program Memory Map
0000h
07FFh
0800h
087Fh
NOT IMPLEMENTED
RESERVED
*
USER
PROGRAM MEMORY
(OTP)
1824 BYTES
0880h
0F9Fh
0FA0h
0FEFh
0FF0h
0FF7h
0FF8h
0FFBh
0FFCh
0FFDh
0FFEh
0FFFh
(*) Reserved areas should be filled with 0FFh
RESERVED
*
RESERVED
INTERRUPT VECTORS
NMI VECTOR
USER RESET VECTOR
0000h
07Fh
USER
PROGRAM MEMORY
(OTP/EPROM)
3872 BYTES
080h
0F9Fh
0FA0h
0FEFh
0FF0h
0FF7h
0FF8h
0FFBh
0FFCh
0FFDh
0FFEh
0FFFh
RESERVED
*
RESERVED
*
INTERRUPT VECTORS
NMI VECTOR
USER RESET VECTOR
RESERVED
*
ST62T15C
ST62T25C, E25C
7
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