HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 462

• 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: -

13. Bus State Controller (BSC)
Bits 4 to 0—Asynchronous Input: These bits enable asynchronous input for the corresponding
pins.
Bit 4–0: ASYNCn
0
1
Bit
4
3
2
1
0
Rev.4.00 Oct. 10, 2008 Page 362 of 1122
REJ09B0370-0400
CKIO
RDY
(BCR4.ASYNC0 = 0)
RDY
(BCR4.ASYNC0 = 1)
Figure 13.4 Example of RDY Sampling Timing at which BCR4 Is Set
Description
Corresponding pin is synchronous input with respect to CKIO (Initial value)
Asynchronous input with respect to CKIO is enabled for corresponding pin
IOIS16
DREQ1
DREQ0
BREQ
RDY
T1
(Two Wait Cycles Are Inserted by WCR2)
Tw
Tw
Twe
T2