ST10F276Z5 STMicroelectronics, ST10F276Z5 Datasheet - Page 69
ST10F276Z5
Manufacturer Part Number
ST10F276Z5
Description
16-BIT MICROCONTROLLER WITH MAC UNIT, UP TO 832 KBYTES FLASH MEMORY AND UP TO 68 KBYTES RAM
Manufacturer
STMicroelectronics
Datasheet
1.ST10F276Z5.pdf
(239 pages)
Specifications of ST10F276Z5
Single Voltage Supply
5V ±10% (embedded regulator for 1.8 V core supply)
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ST10F276Z5
5.6.10
5.6.11
5.6.12
EMUCON register
EMUCON (FE0Ah / 05h)
Table 37.
Internal decoding of test modes
The test mode decoding logic is located inside the ST10F276Z5 Bus Controller.
The decoding is as follows:
●
●
●
The other configurations select ST internal test modes.
Example
In the following example, Alternate Boot mode works as follows: on rising edge of RSTIN
pin, the reset configuration is latched:
●
●
●
ABM
15
Alternate Boot mode decoding: (P0L.5 & P0L.4)
Standard Bootstrap decoding: (P0L.5 & P0L.4)
Normal operation: (P0L.5 & P0L.4)
If Bootstrap Loader mode is not enabled (P0L[5..4] = ‘11’), the device hardware
proceeds with a standard hardware reset procedure.
If standard Bootstrap Loader is enabled (P0L[5..4] = ‘10’), the standard ST10 Bootstrap
Loader is enabled and a variable is cleared to indicate that ABM is not enabled.
If Alternate Boot mode is selected (P0L[5..4] = ‘01’), then, depending on signatures
integrity checks, a predefined reset sequence is activated.
Bit
14
ABM bit description
13
ABM Flag (or TMOD3)
‘0’: Alternate Boot mode is not selected by reset configuration on P0L[5..4]
‘1’: Alternate Boot mode is selected by reset configuration on P0L[5..4]: This bit is
set if P0L[5..4] = ‘01’ during hardware reset.
12
11
-
-
10
9
SFR
8
7
Function
6
ABM
R
5
4
3
Bootstrap loader
Reset value: - xxh:
2
-
1
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