R5F5630ECDFB datasheet(122/165 Pages) RENESAS

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R01DS0060EJ0100 Rev.1.00

Page 122 of 168

Sep 13, 2011

RX630 Group

5. Electrical Characteristics

5.3

AC Characteristics

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 8 MHz when changing the ROM or E2 DataFlash memory contents.

Table 5.6

Operation Frequency Value (High-Speed Operating Mode)

Conditions: VCC = AVCC0 = VCC_USB = VBATT = 2.7 to 3.6 V, VREFH/VREFH0 = 2.7 V to AVCC0,

VSS = AVSS0 = VREFL/VREFL0 = VSS_USB = 0 V, Ta = Topr

Item

Symbol

Min.

Typ.

Max.

Unit

Operation

frequency

System clock (ICLK)

—

100

MHz

Peripheral module clock (PCLKB)

—*1

—50

FlashIF clock (FCLK)

—*2

—50

External bus clock (BCLK)

—

BCLK pin output

—

USB clock (UCLK)

—

IEBUS clock (IECLK)

—

44.03

Table 5.7

Operation Frequency Value (Low-Speed Operating Mode 1)

Conditions: VCC = AVCC0 = VCC_USB = VBATT = 2.7 to 3.6 V, VREFH/VREFH0 = 2.7 V to AVCC0,

VSS = AVSS0 = VREFL/VREFL0 = VSS_USB = 0 V, Ta = Topr

Item

Symbol

Min.

Typ.

Max.

Unit

Operation

frequency

System clock (ICLK)

—

MHz

Peripheral module clock (PCLKB)

—

FlashIF clock (FCLK)

—

External bus clock (BCLK)

—

BCLK pin output

—

USB clock (UCLK)

—

IEBUS clock (IECLK)

—

Table 5.8

Operation Frequency Value (Low-Speed Operating Mode 2)

Conditions: VCC = AVCC0 = VCC_USB = VBATT = 2.7 to 3.6 V, VREFH/VREFH0 = 2.7 V to AVCC0,

VSS = AVSS0 = VREFL/VREFL0 = VSS_USB = 0 V, Ta = Topr

Item

Symbol

Min.

Typ.

Max.

Unit

Operation

frequency

System clock (ICLK)

—

143.75

kHz

Peripheral module clock (PCLKB)

—

143.75

FlashIF clock (FCLK)

—

143.75

External bus clock (BCLK)

—

143.75

BCLK pin output

—

143.75

USB clock (UCLK)

—

143.75

IEBUS clock (IECLK)

—

143.75

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