ST72F325J7T6 STMicroelectronics, ST72F325J7T6 Datasheet - Page 57
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ST72F325J7T6
Manufacturer Part Number
ST72F325J7T6
Description
IC MCU 8BIT 48K FLASH 44-LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F325K6T6.pdf
(197 pages)
Specifications of ST72F325J7T6
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
3.8 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-LQFP
Processor Series
ST72F3x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
48
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST7232X-EVAL, ST7232X-SK/RAIS, ST72325-D/RAIS, ST7MDT20-DVP3, ST7MDT20J-EMU3, ST7MDT20M-EMU3, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
A/d Bit Size
10 bit
A/d Channels Available
16
Height
1.4 mm
Length
10 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
3.8 V, 4.5 V
Width
10 mm
For Use With
497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
497-8243
ST72F325J7T6
ST72F325J7T6
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72F325J7T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
ST72F325J7T6TR
Manufacturer:
STMicroelectronics
Quantity:
10 000
WATCHDOG TIMER (Cont’d)
10.1.4 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 36. Approximate Timeout Duration
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
ST72325xx
114
57/197
128
Fig-