RX62Nグループ、RX621グループ
5. Electrical Characteristics
5.3
AC Characteristics
Table 5.6
Operation Frequency Value [176-pin LFBGA/145-pin TFLGA/144-pin LQFP]
Conditions: VCC = PLLVCC = AVCC = VCC_USB = 2.7 to 3.6V, VREFH = 2.7V to AVCC
VSS = PLLVSS = AVSS = VREFL = VSS_USB = 0V
ICLK = 8 to 100MHz, PCLK = 8 to 50MHz, BCLK = 8 to 100MHz, SDCLK = 8 to 50MHz
Ta = -40 to +85C
Item
Symbol
f
Min.
8*1
8*2
8
Typ.
—
Max.
100
50
Unit
Operation
frequency
System clock (ICLK)
MHz
Peripheral module clock (PCLK)
External bus clock (BCLK)
BCLK pin output
—
—
100
50
8
—
SDRAM clock (SDCLK)
SDCLK pin output
8
—
50
8
—
50
Note 1. Note 1:The ICLK must run at a frequency of at least 12.5 MHz if the Ethernet controller is in use.
Note 2. Note 2:The PCLK must run at a frequency of at least 24 MHz if the USB is in use.
Table 5.7
Operation Frequency Value [100-pin LQFP/85-pin TFLGA]
Conditions: VCC = PLLVCC = AVCC = VCC_USB = 2.7 to 3.6V, VREFH = 2.7V to AVCC
VSS = PLLVSS = AVSS = VREFL = VSS_USB = 0V
ICLK = 8 to 100MHz, PCLK = 8 to 50MHz, BCLK = 8 to 50MHz
Ta = -40 to +85C
Item
Symbol
f
Min.
8*1
8*2
8
Typ.
—
Max.
100
50
Unit
Operation
frequency
System clock (ICLK)
MHz
Peripheral module clock (PCLK)
External bus clock (BCLK)
BCLK pin output
—
—
50
8
—
25
Note 1. The ICLK must run at a frequency of at least 12.5 MHz if the Ethernet controller is in use.
Note 2. The PCLK must run at a frequency of at least 24 MHz if the USB is in use.
R01UH0033JJ0110 Rev.1.10
2010.12.24
Page 92 of 1931
RENESAS [ RENESAS TECHNOLOGY CORP ]
