ST72F32AK2T6 STMicroelectronics, ST72F32AK2T6 Datasheet - Page 132

• Manufacturer Part Number: ST72F32AK2T6
• Description: MCU 8BIT 8KB FLASH/ROM 32-TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F32AK2T6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Processor Series: ST72F3x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 384 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST7232X-EVAL, ST7MDT20-DVP3, ST7MDT20J-EMU3, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 12 Channel
• A/d Bit Size: 10 bit
• A/d Channels Available: 12
• Height: 1.4 mm
• Length: 7 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3.8 V
• Width: 7 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: 497-5610

ST7232A
CONTROL PIN CHARACTERISTICS (Cont’d)
Figure 74. RESET pin protection
1. The reset network protects the device against parasitic resets.
2. The output of the external reset circuit must have an open-drain output to drive the ST7 reset pad. Otherwise the device
can be damaged when the ST7 generates an internal reset (watchdog).
3. Whatever the reset source is (internal or external), the user must ensure that the level on the RESET pin can go below
the V
4. Because the reset circuit is designed to allow the internal RESET to be output in the RESET pin, the user must ensure
that the current sunk on the RESET pin (by an external pull-up for example) is less than the absolute maximum value
specified for I
132/157
1
Required
EXTERNAL
CIRCUIT
RESET
IL
USER
Recommended for EMC
max. level specified in
INJ(RESET)
V
DD
0.01µF
0.01µF
in
Section 12.2.2 on page
Section 12.9.1
1)2)3)4)
V
DD
4.7kΩ
. Otherwise the reset will not be taken into account internally.
114.
V
DD
R
ON
Filter
GENERATOR
PULSE
INTERNAL
RESET
WATCHDOG
ST72XXX