HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 369

• Manufacturer Part Number: HD6417751RF240V
• Description: MPU 1.5/3.3V 0K PB-FREE 256-QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

Specifications of HD6417751RF240V

• Core Processor: SH-4
• Core Size: 32-Bit
• Speed: 240MHz
• Connectivity: EBI/EMI, FIFO, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 39
• Program Memory Type: ROMless
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-QFP Exposed Pad, 256-eQFP, 256-HQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

10.2
10.2.1
Figures 10.1(1) and 10.1(2) show a block diagram of the CPG in the SH7751 and SH7751R.
EXTAL
Legend:
FRQCR: Frequency control register
STBCR:
STBCR2: Standby control register 2
XTAL
CKIO
MD8
MD2
MD1
MD0
Overview of CPG
Block Diagram of CPG
Standby control register
Oscillator circuit
CPG control unit
oscillation
Crystal
circuit
Figure 10.1 (1) Block Diagram of CPG (SH7751)
Clock frequency
control circuit
FRQCR
Frequency
PLL circuit 1
PLL circuit 2
divider 1
×1/2
Bus interface
Internal bus
×6
×1
Frequency
Standby control
divider 2
×1
×1/2
×1/3
×1/4
×1/6
×1/8
STBCR
circuit
Rev.4.00 Oct. 10, 2008 Page 269 of 1122
STBCR2
10. Clock Oscillation Circuits
CPU clock (Ick)
cycle Icyc
Peripheral module
clock (Pck) cycle
Pcyc
Bus clock (Bck)
cycle Bcyc
REJ09B0370-0400