ST72F324BJ STMICROELECTRONICS [STMicroelectronics], ST72F324BJ Datasheet - Page 185
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ST72F324BJ
Manufacturer Part Number
ST72F324BJ
Description
8-bit MCU, 3.8 to 5.5 V operating range with 8 to 32 Kbyte Flash/ROM, 10-bit ADC, 4 timers, SPI, SCI
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST72F324BJ.pdf
(188 pages)
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ST72324B
Table 125. Port A and F configuration
As a consequence, for cycle-accurate operations, these configurations are prohibited in
either input or output mode.
Workaround
To avoid this from occurring, it is recommended to connect one of these pins to GND (PF4
or PF0) or V
PLL
Off
On
PA3
0
0
DD
(PA3 or PF1).
PF4
1
1
PF1
0
0
Toggling
PF0
1
Maximum 2 clock cycles lost at each rising or falling
edge of PF0
Maximum 1 clock cycle lost out of every 16
Clock disturbance
Known limitations
185/188