F272-BAG-T-TR STMicroelectronics, F272-BAG-T-TR Datasheet - Page 74

• Manufacturer Part Number: F272-BAG-T-TR
• Description: MCU 16BIT 256K FLASH 144-TQFP
• Manufacturer: STMicroelectronics
• Series: ST10r

Specifications of F272-BAG-T-TR

• 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
• Processor Series: ST10F27x
• Core: ST10
• Data Bus Width: 16 bit
• Data Ram Size: 12 KB
• Interface Type: ASC, CAN, I2C, SSC
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 111
• Number Of Timers: 4
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 24 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No

Serial channels
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Table 44
the resulting bit times for 40 MHz and 64 MHz CPU clock respectively. The maximum is
anyway limited to 8Mbaud.
Table 44.
Table 45.
Reserved
Can be used only with f
lower)
6.6M Baud
5M Baud
2.5M Baud
1M Baud
100K Baud
10K Baud
1K Baud
306 Baud
Reserved
Can be used only with f
lower)
Can be used only with f
lower)
8M Baud
4M Baud
1M Baud
100K Baud
10K Baud
1K Baud
489 Baud
and
Synchronous baud rate and reload values (f
Synchronous baud rate and reload values (f
Table 45
Baud Rate
Baud Rate
CPU
CPU
CPU
list some possible Baud rates against the required reload values and
= 32 MHz (or
= 32 MHz (or
= 48 MHz (or
Bit Time
Bit Time
3.26ms
2.04ms
150ns
200ns
400ns
125ns
250ns
100µs
100µs
10µs
10µs
1ms
1ms
1µs
1µs
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CPU
CPU
= 40 MHz)
= 64 MHz)
ST10F272B/ST10F272E
Reload Value
Reload Value
7CFFh
00C7h
07CFh
4E1Fh
FF4Eh
0C7Fh
FF9Eh
001Fh
013Fh
0000h
0001h
0002h
0003h
0007h
0013h
0000h
0001h
0002h
0003h
0007h