ST72521 STMICROELECTRONICS [STMicroelectronics], ST72521 Datasheet - Page 148

• Manufacturer Part Number: ST72521
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST72521
Figure 74. Work-around Flowchart
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SET LOCK
NO
RESET LOCK
READY == 1
YES
YES
READY == 1
READY == 1
MASK INT
SET NRTX
BUSY == 0
YES
AND
YES
YES
Application Requests
RESET NRTX
READY == 1
ENABLE INT
Abort Done
BUSY == 0
NO
an Abort
NO
NO
NO