ST10F276-4TR3 STMicroelectronics, ST10F276-4TR3 Datasheet - Page 58
ST10F276-4TR3
Manufacturer Part Number
ST10F276-4TR3
Description
MCU 16BIT 832K FLASH 144-LQFP
Manufacturer
STMicroelectronics
Series
ST10r
Datasheet
1.ST10F276-4TR3.pdf
(231 pages)
Specifications of ST10F276-4TR3
Core Processor
ST10
Core Size
16-Bit
Speed
48MHz
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 ~ 105°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Bootstrap loader
5.4.2
58/231
Figure 11. CAN bootstrap loader sequence
1. BSL initialization time, > 1ms @ f
2. Zero frame (CAN message: standard ID = 0, DLC = 0), sent by host
3. CAN message (standard ID = E6h, DLC = 3, Data0 = D5h, Data1-Data2 = IDCHIP_low-high), sent by
4. 128 bytes of code / data, sent by host
5. Caution: CAN1_TxD is only driven a certain time after reception of the zero byte (1.3ms @ f
6. Internal Boot ROM / Test-Flash
The Bootstrap Loader can load
●
●
●
The BSL mechanism may be used for standard system start-up as well as for only special
occasions like system maintenance (firmware update) or end-of-line programming or
testing.
Entering the CAN bootstrap loader
The ST10F276E enters BSL mode if pin P0L.4 is sampled low at the end of a hardware
reset. In this case, the built-in bootstrap loader is activated independently of the selected
bus mode. The bootstrap loader code is stored in a special Test-Flash; no part of the
standard mask ROM or Flash memory area is required for this.
After entering BSL mode and the respective initialization, the ST10F276E scans the
CAN1_TxD line to receive the following initialization frame:
●
●
As all the bits to be transmitted are dominant bits, a succession of 5 dominant bits and 1
stuff bit on the CAN network is used. From the duration of this frame, it calculates the
corresponding baud rate factor with respect to the current CPU clock, initializes the CAN1
interface accordingly, switches pin CAN1_TxD to output and enables the CAN1 interface to
take part in the network communication. Using this baud rate, a Message Object is
ST10F276E on request
the complete application software into ROM-less systems,
temporary software into complete systems for testing or calibration,
a programming routine for Flash devices.
Standard identifier = 0h
DLC = 0h
CAN1_RxD
CAN1_TxD
CSP:IP
RSTIN
P0L.4
CPU
(1)
(6)
= 40 MHz
(2)
Int. Boot ROM / Test-Flash BSL-routine
(5)
(3)
(4)
user software
128 bytes
CPU
ST10F276E
= 40 MHz).
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