HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 684

• 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: -

14. Direct Memory Access Controller (DMAC)
14.6.2
Tables 14.12 and 14.13 show the pin configuration of the DMAC.
Table 14.12 DMAC Pins
Channel
0
1
Rev.4.00 Oct. 10, 2008 Page 584 of 1122
REJ09B0370-0400
Pin Configuration (SH7751R)
Pin Name
DMA transfer
request
DREQ acceptance
confirmation
DMA transfer end
notification
DMA transfer
request
DREQ acceptance
confirmation
DMA transfer end
notification
Abbreviation
DREQ0
DRAK0
DACK0
DREQ1
DRAK1
DACK1
Input
Input
I/O
Output
Output
Output
Output
Function
DMA transfer request input from
external device to channel 0
Acceptance of request for DMA
transfer from channel 0 to external
device
Notification to external device of start
of execution
Strobe output to external device of
DMA transfer request from channel 0
to external device
DMA transfer request input from
external device to channel 1
Acceptance of request for DMA
transfer from channel 1 to external
device
Notification to external device of start
of execution
Strobe output to external device of
DMA transfer request from channel 1
to external device