ST72321M6 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72321M6

80-pin 8-bit MCU with 32 to 60 Kbytes Flash, ADC, five timers, SPI, SCI, I2C interface

STMicroelectronics 

ST72321M6 ST72321M9

pins to ground.

3. OSC1 and OSC2 pins connect a crystal/ceramic resonator, or an external source to the on-chip oscil-

lator.

4. On the chip, each I/O port may have up to 8 pads. Pads that are not bonded to external pins are in input

pull-up configuration after reset. The configuration of these pads must be kept at reset state to avoid add-

ed current consumption.

5. In the open drain output column, “T” defines a true open drain I/O (P-Buffer and protection diode to VDD

are not implemented).

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