ST10F272M-4T3 STMicroelectronics, ST10F272M-4T3 Datasheet - Page 149

• 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
24.8.12
Table 65.
The given values of C
printed circuit board: the negative resistance values are calculated assuming additional 5 pF
to the values in the table. The crystal shunt capacitance (C
between XTAL1 and XTAL2 pins is globally assumed equal to 10 pF.
The external resistance between XTAL1 and XTAL2 is not necessary, since already present
on the silicon.
32 kHz oscillator specifications
V
Table 66.
1. At power-on a high current biasing is applied for faster oscillation start-up. Once the oscillation is started,
2. Not 100% tested, guaranteed by design characterization.
Figure 48. 32 kHz crystal oscillator connection diagram
4 MHz
8 MHz
Symbol
t
V
DD
STUP32
V
g
OSC32
the current biasing is reduced to lower the power consumption of the system.
AV32
m32
= 5 V ± 10%, V
545 Ω
240 Ω
Oscillator transconductance
Oscillation amplitude
Oscillation voltage level
Oscillator startup time
Min
Main oscillator negative resistance (module)
32 kHz oscillator characteristics
C
A
1035 Ω
Parameter
450 Ω
= 15 pF
Typ
SS
A
= 0 V, T
do not include the stray capacitance of the package and of the
(2)
Max
(2)
–
–
A
(2)
= -40 to +125 °C
(1)
550 Ω
170 Ω
Min
Startup
Normal run
Peak to peak
Sine wave middle
Stable V
C
ST10F272M
A
Conditions
Crystal
C
A
1050 Ω
DD
350 Ω
= 25 pF
Typ
C
A
Max
–
–
0
) and the package capacitance
Min
0.5
0.7
20
8
–
Electrical characteristics
120 Ω
430 Ω
Min
Value
Typ
1.0
0.9
31
17
1
C
A
850 Ω
250 Ω
= 35 pF
Typ
Max
2.4
1.2
50
30
5
149/176
Max
µA/V
µA/V
Unit
–
–
V
V
s