ST72324 STMICROELECTRONICS [STMicroelectronics], ST72324 Datasheet - Page 16

• Manufacturer Part Number: ST72324
• Description: 5V RANGE 8-BIT MCU WITH 8 TO 32K FLASH, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST72324
Legend: x=undefined, R/W=read/write
Notes:
1. The contents of the I/O port DR registers are readable only in output configuration. In input configura-
2. The bits associated with unavailable pins must always keep their reset value.
3. The Timer A Input Capture 2 pin is not available (not bonded).
4. The Timer A Output Compare 2 pin is not available (not bonded).
Caution: The TAIC2HR and TAIC2LR registers and the ICF2 and OCF2 flags are not present in Flash de-
vices but are present in the emulator. For compatibility with the emulator, it is recommended to perform a
dummy access (read or write) to the TAIC2LR and TAOC2LR registers to clear the interrupt flags.
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– In Flash devices:
– The TAOC2HR and TAOC2LR Registers are write only, reading them will return undefined values.
tion, the values of the I/O pins are returned instead of the DR register contents.
The TAIC2HR and TAIC2LR registers are not present. Bit 5 of the TACSR register (ICF2) is forced
by hardware to 0. Consequently, the corresponding interrupt cannot be used.
Bit 4 of the TACSR register (OCF2) is forced by hardware to 0. Consequently, the corresponding in-
terrupt cannot be used.