ST7FLITE25F1B6 STMicroelectronics, ST7FLITE25F1B6 Datasheet - Page 54

• Manufacturer Part Number: ST7FLITE25F1B6
• Description: IC MCU 8BIT 8K FLASH 20-DIP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FLITE25F1B6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-DIP (0.300", 7.62mm)
• Processor Series: ST7FLITE2x
• Core: ST7
• Data Bus Width: 8 bit
• Development Tools By Supplier: ST7FLITE-SK/RAIS, ST7MDT10-DVP3, ST7MDT10-EMU3, STX-RLINK
• For Use With: 497-5858 - EVAL BOARD PLAYBACK ST7FLITE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

ST7LITE2
WATCHDOG TIMER (Cont’d)
11.1.5 Interrupts
None.
11.1.6 Register Description
CONTROL REGISTER (CR)
Read/Write
Reset Value: 0111 1111 (7Fh)
Bit 7 = WDGA Activation bit.
This bit is set by software and only cleared by
hardware after a reset.
Table 13. Watchdog Timer Register Map and Reset Values
54/133
1
WDGA
Address
002Eh
(Hex.)
7
T6
WDGCR
Reset Value
Register
Label
T5
T4
WDGA
T3
7
0
T2
T6
6
1
T1
T0
0
T5
5
1
When WDGA = 1, the watchdog can generate a
reset.
0: Watchdog disabled
1: Watchdog enabled
Note: This bit is not used if the hardware watch-
dog option is enabled by option byte.
Bits 6:0 = T[6:0] 7-bit timer (MSB to LSB).
These bits contain the decremented value. A reset
is produced when it rolls over from 40h to 3Fh (T6
becomes cleared).
T4
4
1
T3
3
1
T2
2
1
T1
1
1
T0
0
1