R01UH0823EJ0100 Rev.1.00 Page 1768 of 1823
Jul 31, 2019
RX23W Group 51. Electrical Characteristics
Note 1. Programming and erasing the flash memory is impossible.
Note 2. The A/D converter cannot be used.
Note 3. The maximum operating frequency listed above does not include errors of the external oscillator. For details on the range for the
guaranteed operation, see Table 51.24, Clock Timing.
Table 51.23 Operating Frequency Value (Low-Speed Operating Mode)
Conditions: 1.8 V ≤ VCC = VCC_USB = AVCC0 = VCC_RF = AVCC_RF ≤ 3.6 V, VSS = AVSS0 = VSS_USB = VSS_RF = 0 V,
T
a
= –40 to +85°C
Item Symbol
VCC
Unit
1.8 V ≤ VCC <
2.4 V
2.4 V ≤ VCC <
2.7 V
2.7 V ≤ VCC ≤
3.6 V
Maximum
operating
frequency*
3
System clock (ICLK) f
max
32.768 kHz
FlashIF clock (FCLK)*
1
32.768
Peripheral module clock (PCLKA) 32.768
Peripheral module clock (PCLKB) 32.768
Peripheral module clock (PCLKD)*
2
32.768
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