ST72T631K4M1 STMicroelectronics, ST72T631K4M1 Datasheet - Page 19

• Manufacturer Part Number: ST72T631K4M1
• Description: Microcontrollers (MCU) OTP EPROM 16K USB/SC
• Manufacturer: STMicroelectronics

Specifications of ST72T631K4M1

• Data Bus Width: 8 bit
• Program Memory Type: EPROM
• Program Memory Size: 16 KB
• Data Ram Size: 512 B
• Interface Type: I2C, SCI, USB
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 19
• Number Of Timers: 2
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SO-34
• Minimum Operating Temperature: 0 C
• On-chip Adc: 8 bit
• Lead Free Status / Rohs Status: No

Figure 11. Low Voltage Detector functional Diagram
Figure 13. Temporization timing diagram after an internal Reset
Figure 14. Reset Timing Diagram
Note: Refer to Electrical Characteristics for values of t
V
DD
V
OSCIN
f
CPU
DD
RESET
PC
WATCHDOG RESET
LOW VOLTAGE
WATCHDOG
DETECTOR
RESET
FROM
V
Addresses
DD
t
DDR
t
OXOV
V
IT+
temporization (4096 CPU clock cycles)
INTERNAL
RESET
RESET
$FFFE
DDR
Figure 12. Low Voltage Reset Signal Output
Note: Hysteresis (V
V
RESET
DD
4096 CPU
CYCLES
, t
CLOCK
DELAY
OXOV
V
FFFE
, V
IT+
IT+
, V
IT-
IT+
FFFF
and V
-V
IT-
) = V
hys
hys
ST7263
V
IT-
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