ST10F272Z2T3 STMicroelectronics, ST10F272Z2T3 Datasheet - Page 47
ST10F272Z2T3
Manufacturer Part Number
ST10F272Z2T3
Description
MCU 16BIT 256KBIT FLASH 144-TQFP
Manufacturer
STMicroelectronics
Series
ST10r
Datasheet
1.ST10F272Z2Q3.pdf
(189 pages)
Specifications of ST10F272Z2T3
Core Processor
ST10
Core Size
16-Bit
Speed
40MHz
Connectivity
ASC, CAN, EBI/EMI, I²C, SSC, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
111
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
20K 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-TQFP, 144-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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ST10F272Z2
6.3
6.3.1
6.3.2
6.3.3
Alternate and selective boot mode (ABM and SBM)
Activation of the ABM and SBM
Alternate boot is activated with the combination ‘01’ on Port0L[5..4] at the rising edge of
RSTIN.
User mode signature integrity check
The behavior of the Selective Boot Mode is based on the computing of a signature between
the content of 2 memory locations and a comparison with a reference signature. This
requires that users who use Selective Boot have reserved and programmed the Flash
memory locations.
Selective boot mode
When the user signature is not correct, instead of executing the Standard Bootstrap Loader
(triggered by P0L.4 low at reset), additional check is made.
Depending on the value at the User key location, following behavior will occur:
●
●
●
●
A jump is performed to the Standard Bootstrap Loader
Only UART is enabled for bootstraping
Only CAN1 is enabled for bootstraping
The device enters an infinite loop.
Bootstrap loader
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