HD6417720BP133BV Renesas Electronics America, HD6417720BP133BV Datasheet - Page 510

• Manufacturer Part Number: HD6417720BP133BV
• Description: SH3-DSP, WITH USB AND LCDC, PB-F
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417720BP133BV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 133MHz
• Connectivity: FIFO, I²C, IrDA, MMC, SCI, SD, SIO, SIM, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 117
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Data Converters: A/D 4x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 10 Direct Memory Access Controller (DMAC)
(4)
Page 450 of 1414
(rising edge)
(active-high)
Figure 10.19 Timing of DREQ Input Detection by Edge Detection in Cycle Stealing Mode
Figure 10.20 Timing of DREQ Input Detection by Edge Detection in Cycle Stealing Mode
(rising edge)
(active-high)
Bus cycle
(DACK is Divided into Four due to Idle Cycle Insertion between Access Cycles and So
Bus cycle
(DACK is Not Divided By Idle Cycle Insertion between Access Cycles and So DREQ
DREQ
DREQ Pin Detection Timing Charts
DACK
CKIO
DREQ
DACK
CKIO
First acceptance
CPU
CPU
First acceptance
Dead zone
Dead zone
DREQ Sampling is Accepted One Extra Time)
Acceptance
started
Sampling is Accepted Normally)
Acceptance started
Second acceptance
Second acceptance
Dead zone
Dead zone
DMAC write or read
DMAC write or read
Acceptance started
Third acceptance (possible)
SH7720 Group, SH7721 Group
R01UH0083EJ0400 Rev. 4.00
Dead zone
Acceptance
started
Third
acceptance
Sep 21, 2010
Dead zone