ST10F272M-4T3 STMicroelectronics, ST10F272M-4T3 Datasheet - Page 165

• Manufacturer Part Number: ST10F272M-4T3
• Description: MCU 16BIT 256K FLASH 144-LQFP
• Manufacturer: STMicroelectronics
• Series: ST10r

Specifications of ST10F272M-4T3

• 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-MQFP, 144-PQFP
• Processor Series: ST10F27x
• Core: ST10
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

ST10F272M
Figure 58. CLKOUT and READY
1. Cycle as programmed, including MCTC wait states (example shows 0 MCTC WS).
2. The leading edge of the respective command depends on RW-delay.
3. READY sampled HIGH at this sampling point generates a READY controlled wait state, READY sampled
4. READY may be deactivated in response to the trailing (rising) edge of the corresponding command (RD or
5. If the Asynchronous READY signal does not fulfill the indicated setup and hold times with respect to
6. Multiplexed bus modes have a MUX wait state added after a bus cycle, and an additional MTTC wait state
7. The next external bus cycle may start here.
LOW at this sampling point terminates the currently running bus cycle.
WR).
CLKOUT (for example, because CLKOUT is not enabled), it must fulfill t
synchronized. This is guaranteed, if READY is removed in response to the command (see Note 4).
may be inserted here. For a multiplexed bus with MTTC wait state this delay is two CLKOUT cycles, for a
demultiplexed bus without MTTC wait state this delay is zero.
Asynchronous
Synchronous
CLKOUT
RD, WR
READY
READY
ALE
t
t
58
32
3)
t
t
t
59
30
34
Running cycle
2)
t
t
t
t
33
31
35
58
3)
t
1)
37
3)
t
t
59
36
5)
t
29
t
35
wait state
READY
3)
t
36
37
in order to be safely
MUX/tri-state
t
Electrical characteristics
60
4)
6)
6)
7)
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