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RX630_15 Datasheet, PDF (108/156 Pages) Renesas Technology Corp – Renesas MCUs
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RX630 Group
5. Electrical Characteristics
5.3 AC Characteristics
Table 5.7 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
Operation
frequency
Item
System clock (ICLK)
Peripheral module clock (PCLKB)
FlashIF clock (FCLK)
External bus clock (BCLK)
BCLK pin output
USB clock (UCLK)
IEBUS clock (IECLK)
Symbol Min.
f
—
—*1
—*2
—
—
—
—
Typ.
—
—
—
—
—
—
—
Max.
100
50
50
50
25
48
44.03
Unit
MHz
Note 1. The PCLKB must run at a frequency of at least 24 MHz if the USB is in use.
Note 2. The FCLK must run at a frequency of at least 4 MHz when changing the ROM or E2 DataFlash memory contents.
Table 5.8 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
System clock (ICLK)
Peripheral module clock (PCLKB)
FlashIF clock (FCLK)
External bus clock (BCLK)
BCLK pin output
USB clock (UCLK)
IEBUS clock (IECLK)
Symbol
Min.
Typ.
Max.
Unit
f
—
—
1
MHz
—
—
1
—
—
1
—
—
1
—
—
1
—
—
1
—
—
1
Table 5.9 Operation Frequency Value (Low-Speed Operating Mode 2)
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
System clock (ICLK)
Peripheral module clock (PCLKB)
FlashIF clock (FCLK)
External bus clock (BCLK)
BCLK pin output
USB clock (UCLK)
IEBUS clock (IECLK)
Symbol
Min.
Typ.
Max.
Unit
f
32
—
143.75 kHz
—
—
143.75
32
—
143.75
—
—
143.75
—
—
143.75
—
—
143.75
—
—
143.75
R01DS0060EJ0160 Rev.1.60
May 19, 2014
Page 108 of 154
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