ST92F250CV2QB STMicroelectronics, ST92F250CV2QB Datasheet - Page 67

• Manufacturer Part Number: ST92F250CV2QB
• Description: IC MCU 256K FLASH 100-PQFP
• Manufacturer: STMicroelectronics
• Series: ST9r

Specifications of ST92F250CV2QB

• Core Processor: ST9
• Core Size: 8/16-Bit
• Speed: 24MHz
• Connectivity: CAN, I²C, LIN, SCI, SPI
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 80
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 100-QFP
• Processor Series: ST92F25x
• Core: ST9
• Data Bus Width: 8 bit, 16 bit
• Data Ram Size: 8 KB
• Interface Type: CAN, I2C, SCI, SPI
• Maximum Clock Frequency: 24 MHz
• Number Of Programmable I/os: 80
• Number Of Timers: 5 x 16 bit
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST92F150-EPB
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 16 bit x 10 bit
• Case: QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2139

Figure 38. Flash in-system Programming.
ST92F124/F150/F250 - SINGLE VOLTAGE FLASH & E3 TM (EMULATED EEPROM)
Jump to Flash
Code
Main
User
No
TestFlash Code
Initialisation
= 0 ?
SOUT0
Start
Enable Serial
Yes
Interface
WFI
Load in-system
in internal RAM
prog routine
Code Update
Enable DMA
through SCI.
prog routine
Call in-system
Routine
HALT
Address
Match
(from SCI)
Test
Flash
Interrupt
Internal RAM (User Code Example)
Prog 1st table
of data from
RAM in Flash
prog routine
Load 1st table
of data in RAM
through S.I.
Inc. Address
Address ?
In-system
Yes
Yes
virgin ?
Flash
RET
Last
Load 2nd table
of data in RAM
Erase sectors
through SCI
No
No
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