F272-BAG-T STMicroelectronics, F272-BAG-T Datasheet - Page 173

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

Specifications of F272-BAG-T

• 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

ST10F272B/ST10F272E
Figure 60. External bus arbitration (regaining the bus)
1. This is the last chance for BREQ to trigger the indicated regain-sequence. Even if BREQ is activated
2. The next ST10F272 driven bus cycle may start here.
earlier, the regain-sequence is initiated by HOLD going high. Please note that HOLD may also be
deactivated without the ST10F272 requesting the bus.
CSx
(On P6.x)
Other
signals
CLKOUT
BREQ
HOLD
HLDA
t
62
t
61
1)
t
62
t
62
t
t
63
67
2)
t
65
Electrical characteristics
173/182