DF70844AD80FPV Renesas Electronics America, DF70844AD80FPV Datasheet - Page 353

• Manufacturer Part Number: DF70844AD80FPV
• Description: IC SUPERH MCU FLASH 112LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7080r

Specifications of DF70844AD80FPV

• Core Size: 32-Bit
• Program Memory Size: 256KB (256K x 8)
• Core Processor: SH-2
• Speed: 80MHz
• Connectivity: EBI/EMI, FIFO, I²C, SCI, SSU
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 76
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 112-LQFP
• No. Of I/o's: 76
• Ram Memory Size: 16KB
• Cpu Speed: 80MHz
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 3V To 3.6V, 4.5V To 5.5V
• Embedded Interface Type: I2C, SCI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: R0K570865S001BE - KIT STARTER FOR SH7086R0K570865S000BE - KIT STARTER FOR SH7086HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

When the WM bit in CSnWCR is cleared to 0, the external wait input WAIT signal is also
sampled. WAIT pin sampling is shown in figure 9.9. A 2-cycle wait is specified as a software
wait. The WAIT signal is sampled at the falling edge of CK at the transition from the T1 or Tw
cycle to the T2 cycle.
Read
Write
Figure 9.9 Wait State Timing for Normal Space Access
D31 to D0
D31 to D0
A29 to A0
Note: * The waveform for DACKn is when active low is specified.
DACKn*
RDWR
WRxx
WAIT
CSn
(Wait State Insertion Using WAIT Signal)
RD
CK
BS
T1
Tw
Tw
Rev. 3.00 May 17, 2007 Page 295 of 1582
Twx
Wait states inserted
Section 9 Bus State Controller (BSC)
by WAIT signal
T2
REJ09B0181-0300