ST72260G1 STMicroelectronics, ST72260G1 Datasheet - Page 49

• Manufacturer Part Number: ST72260G1
• Description: 8-BIT MCU WITH FLASH OR ROM MEMORY, ADC, TWO 16-BIT TIMERS, I2C, SPI, SCI INTERFACES
• Manufacturer: STMicroelectronics

Specifications of ST72260G1

• 4 K Or 8 Kbytes Program Memory: ROM or single voltage extended Flash (XFlash) with read-out protection, write protection, In-Circuit Programming and In-Application Programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt,Wait and Slow
• Two 16-bit Timers With: 2 input captures, 2 output compares, external clock input on one timer, PWM and Pulse generator modes

WATCHDOG TIMER (Cont’d)
11.1.4 How to Program the Watchdog Timeout
Figure 32
the 6-bit value to be loaded in the Watchdog Coun-
ter (CNT) and the resulting timeout duration in mil-
liseconds. This can be used for a quick calculation
without taking the timing variations into account. If
Figure 32. Approximate Timeout Duration
3F
38
30
28
20
18
10
08
00
1.5
shows the linear relationship between
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
33.
ST72260Gx, ST72262Gx, ST72264Gx
82
OSC2
98
114
49/172
128
Fig-