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RX63N_15 Datasheet, PDF (138/210 Pages) Renesas Technology Corp – Renesas MCUs | |||
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RX63N Group, RX631 Group
5. Electrical Characteristics
5.3 AC Characteristics
Table 5.8 Operation Frequency Value (High-Speed Operating Mode)
Conditions: VCC = AVCC0 = VREFH = VCC_USB = VBATT = 2.7 to 3.6 V, VREFH0 = 2.7 V to AVCC0,
VSS = AVSS0 = VREFL/VREFL0 = VSS_USB = 0 V, Ta = Topr
Item
Symbol Min.
Typ.
Max.
Operation System clock (ICLK)
frequency Peripheral module clock (PCLKA)
f
â*1
â
100
â*1
â
100
Peripheral module clock (PCLKB)
â*2
â
50
FlashIF clock (FCLK)
â*3
â
50
External bus clock (BCLK) Packages with 177 to 144 pins
â
â
100
Packages with 100 pins or less
â
â
50
BCLK pin output
Packages with 177 to 144 pins
â
â
50
Packages with 100 pins or less
â
â
25
SDRAM clock (SDCLK)
Packages with 177 to 144 pins
only
â
â
50
SDCLK pin output
Packages with 177 to 144 pins
only
â
â
50
USB clock (UCLK)
â
â
48
IEBUS clock (IECLK)
â
â
44.03
Note 1. The ICLK and PCLKA frequencies must be the same and at least 12.5 MHz if the Ethernet controller is in use
Note 2. The PCLKB must run at a frequency of at least 24 MHz if the USB is in use.
Note 3. The FCLK must run at a frequency of at least 4 MHz when changing the ROM or E2 DataFlash memory contents.
Unit
MHz
Table 5.9 Operation Frequency Value (Low-Speed Operating Mode 1)
Conditions: VCC = AVCC0 = VREFH = VCC_USB = VBATT = 2.7 to 3.6 V, VREFH0 = 2.7 V to AVCC0,
VSS = AVSS0 = VREFL/VREFL0 = VSS_USB = 0 V, Ta = Topr
Operation
frequency
Item
Symbol Min.
System clock (ICLK)
f
â
Peripheral module clock (PCLKA)
â
Peripheral module clock (PCLKB)
â
FlashIF clock (FCLK)
â
External bus clock (BCLK) Packages with 177 to 144 pins
â
Packages with 100 pins or less
â
BCLK pin output
Packages with 177 to 144 pins
â
Packages with 100 pins or less
â
SDRAM clock (SDCLK) Packages with 177 to 144 pins
â
only
SDCLK pin output
Packages with 177 to 144 pins
â
only
USB clock (UCLK)
â
IEBUS clock (IECLK)
â
Typ.
â
â
â
â
â
â
â
â
â
â
â
â
Max.
1
1
1
1
1
1
1
1
1
1
1
1
Unit
MHz
R01DS0098EJ0180 Rev.1.80
May 13, 2014
Page 138 of 208
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