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ST723246 Datasheet(PDF) 16 Page - STMicroelectronics

No. de pieza ST723246
Descripción Electrónicos  8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE
PDF  161 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST723246 Datasheet(HTML) 16 Page - STMicroelectronics

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Notes:
1. The contents of the I/O port DR registers are readable only in output configuration. In input configura-
tion, the values of the I/O pins are returned instead of the DR register contents.
2. The bits associated with unavailable pins must always keep their reset value.
3. These registers and the ICF2 and OCF2 flags are not present in the ST72324 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.
4. The registers can be written, but reading them will return undefined values.
5. Bits 2 and 4 of this register (ICF2 and OCF2) are forced by hardware to 0. Consequently, the corre-
sponding interrupts cannot be used.



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