ST10F276-6Q3 STMicroelectronics, ST10F276-6Q3 Datasheet - Page 46
ST10F276-6Q3
Manufacturer Part Number
ST10F276-6Q3
Description
MCU 16BIT 832K FLASH 144-PQFP
Manufacturer
STMicroelectronics
Series
ST10r
Datasheet
1.ST10F276-4TR3.pdf
(231 pages)
Specifications of ST10F276-6Q3
Core Processor
ST10
Core Size
16-Bit
Speed
64MHz
Connectivity
ASC, CAN, EBI/EMI, I²C, SSC, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
111
Program Memory Size
832KB (832K x 8)
Program Memory Type
FLASH
Ram Size
68K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
144-MQFP, 144-PQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Bootstrap loader
5
5.1
46/231
Bootstrap loader
ST10F276E implements innovative boot capabilities in order to
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Selection among user-code, standard or alternate bootstrap
The selection among user-code, standard bootstrap or alternate bootstrap is made by
special combinations on Port0L[5...4] during the time the reset configuration is latched from
Port0.
The alternate boot mode is triggered with a special combination set on Port0L[5...4]. Those
signals, as other configuration signals, are latched on the rising edge of RSTIN pin.
The alternate boot function is divided in two functional parts (which are independent from
each other):
Part 1: Selection of reset sequence according to the Port0 configuration: User mode and
alternate mode signatures
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Part 2: Running of user selected reset sequence
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support a user defined bootstrap (see Alternate bootstrap loader);
support bootstrap via UART or bootstrap via CAN for the standard bootstrap.
Decoding of reset configuration (P0L.5 = 1, P0L.4 = 1) selects the normal mode and
the user Flash to be mapped from address 00’0000h.
Decoding of reset configuration (P0L.5 = 1, P0L.4 = 0) selects ST10 standard bootstrap
mode (Test-Flash is active and overlaps user Flash for code fetches from address
00'0000h; user Flash is active and available for read and program).
Decoding of reset configuration (P0L.5 = 0, P0L.4 = 1) activates new verifications to
select which bootstrap software to execute:
–
–
–
Standard bootstrap loader: Jump to a predefined memory location in Test-Flash
(controlled by ST)
Alternate boot mode: Jump to address 09’0000h
Selective bootstrap loader: Jump to a predefined location in Test-Flash (controlled by
ST) and check which communication channel is selected
User code: Make a software reset and jump to 00’0000h
if the user mode signature in the user Flash is programmed correctly, then a
software reset sequence is selected and the user code is executed;
if the user mode signature is not programmed correctly but the alternate mode
signature in the user Flash is programmed correctly, then the alternate boot mode
is selected;
if both the user and the alternate mode signatures are not programmed correctly in
the user Flash, then the user key location is read again. Its value will determine
the behavior of the selected bootstrap loader.
ST10F276E
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