ST72F361J7T3 STMicroelectronics, ST72F361J7T3 Datasheet - Page 54

• Manufacturer Part Number: ST72F361J7T3
• Description: IC MCU 8BIT 48K FLASH 44-LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F361J7T3

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: LINSCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-LQFP
• Processor Series: ST72F3x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: LINSCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 34
• Number Of Timers: 2
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST72F36X-SK/RAIS, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 11 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

ST72361
WINDOW WATCHDOG (Cont’d)
10.1.5 How to Program the Watchdog Timeout
Figure 2
6-bit value to be loaded in the Watchdog Counter
(CNT) and the resulting timeout duration in milli-
seconds. This can be used for a quick calculation
without taking the timing variations into account. If
Figure 35. Approximate Timeout Duration
54/225
3F
38
30
28
20
18
10
08
00
1.5
shows the linear relationship between the
18
34
Watchdog timeout (ms) @ 8 MHz f
50
more precision is needed, use the formulae in
ure
Caution: When writing to the WDGCR register, al-
ways write 1 in the T6 bit to avoid generating an
immediate reset.
65
3.
82
OSC2
98
114
128
Fig-