Datasheet
R01DS0052EJ0140 Rev.1.40 Page 93 of 150
2014.07.16
RX62N Group, RX621 Group 5. Electrical Characteristics
5.3 AC Characteristics
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.
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.
Table 5.6
Operation Frequency Value [176-pin LFBGA/145-pin TFLGA/144-pin LQFP]
Conditions: VCC = PLLVCC = AVCC = VCC_USB = 2.7 to 3.6 V, VREFH = 2.7 V to AVCC
VSS = PLLVSS = AVSS = VREFL = VSS_USB = 0 V
ICLK = 8 to 100 MHz, PCLK = 8 to 50 MHz, BCLK = 8 to 100 MHz, SDCLK = 8 to 50 MHz
T
a
= -40 to +85C
Item Symbol Min. Typ. Max. Unit
Operation
frequency
System clock (ICLK) f 8
*1
—100MHz
Peripheral module clock (PCLK) 8
*2
—50
External bus clock (BCLK) 8 — 100
BCLK pin output 8 — 50
SDRAM clock (SDCLK) 8 — 50
SDCLK pin output 8 — 50
Table 5.7
Operation Frequency Value [100-pin LQFP/85-pin TFLGA]
Conditions: VCC = PLLVCC = AVCC = VCC_USB = 2.7 to 3.6 V, VREFH = 2.7 V to AVCC
VSS = PLLVSS = AVSS = VREFL = VSS_USB = 0 V
ICLK = 8 to 100 MHz, PCLK = 8 to 50 MHz, BCLK = 8 to 50 MHz
T
a
= -40 to +85C
Item Symbol Min. Typ. Max. Unit
Operation
frequency
System clock (ICLK) f 8
*1
—100MHz
Peripheral module clock (PCLK) 8
*2
—50
External bus clock (BCLK) 8 — 50
BCLK pin output 8 — 25