ST72T213G1B6 STMicroelectronics, ST72T213G1B6 Datasheet - Page 19

• Manufacturer Part Number: ST72T213G1B6
• Description: 8-bit Microcontrollers - MCU OTP EPROM 4K SPI
• Manufacturer: STMicroelectronics

Specifications of ST72T213G1B6

• Rohs: yes
• Core: ST7
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 4 KB
• Data Ram Size: 256 B
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 5.5 V
• Package / Case: PDIP-32
• Mounting Style: Through Hole
• A/d Bit Size: 8 bit
• A/d Channels Available: 6
• Interface Type: SPI
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 22
• Number Of Timers: 1
• On-chip Dac: No
• Program Memory Type: OTP EPROM
• Factory Pack Quantity: 16
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 3.5 V

ST72101/ST72212/ST72213
INTERRUPTS (Cont’d)
Figure 16. Interrupt Processing Flowchart
FROM RESET
N
I BIT SET?
N
Y
INTERRUPT
PENDING?
Y
FETCH NEXT INSTRUCTION
N
IRET?
STACK PC, X, A, CC
SET I BIT
Y
LOAD PC FROM INTERRUPT VECTOR
EXECUTE INSTRUCTION
RESTORE PC, X, A, CC FROM STACK
THIS CLEARS I BIT BY DEFAULT
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