ST10F276Z5T3 STMicroelectronics, ST10F276Z5T3 Datasheet - Page 59

• Manufacturer Part Number: ST10F276Z5T3
• Description: MCU 16BIT 832KBIT FLASH 144-TQFP
• Manufacturer: STMicroelectronics
• Series: ST10r

Specifications of ST10F276Z5T3

• 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: 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-TQFP, 144-VQFP
• Cpu Family: ST10
• Device Core Size: 16b
• Frequency (max): 40MHz
• Interface Type: CAN/I2C
• Total Internal Ram Size: 68KB
• # I/os (max): 111
• Number Of Timers - General Purpose: 5
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• On-chip Adc: 24-chx10-bit
• Instruction Set Architecture: CISC/RISC
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 144
• Package Type: LQFP
• Processor Series: ST10F27x
• Core: ST10
• Data Bus Width: 16 bit
• Data Ram Size: 68 KB
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 111
• Number Of Timers: 5
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• For Use With: 497-6399 - KIT DEV STARTER ST10F276Z5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

ST10F276Z5
5.4.2
Note:
The Bootstrap Loader can load
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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 ST10F276Z5 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 device scans the CAN1_TxD
line to receive the following initialization frame:
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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
configured in order to send an acknowledge frame. The device does not send this Message
Object but the host can request it by sending a remote frame.
The acknowledge frame is the following for the ST10F276Z5:
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For the ST10F276Z5, IDCHIP is set to 114Xh.
Two behaviors can be distinguished in ST10 acknowledging to the host. If the host is
behaving according to the CAN protocol, as at the beginning the ST10 CAN is not
configured, the host is alone on the CAN network and does not receive an acknowledge. It
automatically sends again the zero frame. As soon as the ST10 CAN is configured, it
acknowledges the zero frame. The “acknowledge frame” with identifier 0xE6 is configured,
but the Transmit Request is not set. The host can request this frame to be sent and therefore
obtains the IDCHIP by sending a remote frame.
Hint: As the IDCHIP is sent in the acknowledge frame, Flash programming software now
can immediately identify the exact type of device to be programmed.
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 = E6h
DLC = 3h
Data0 = D5h, that is, generic acknowledge of the ST10 devices
Data1 = IDCHIP least significant byte
Data2 = IDCHIP most significant byte
Standard identifier = 0h
DLC = 0h
Bootstrap loader
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