HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 683

• 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: -

14.6
14.6.1
Figure 14.53 is a block diagram of the DMAC in the SH7751R.
Configuration of the DMAC (SH7751R)
Block Diagram of the DMAC
peripheral
BAVL/ID2
D[31:0]
ID[1:0]
TDACK
Legend:
DMAOR:
SAR:
DAR:
DMATCR:
CHCR:
On-chip
module
DREQ0, DREQ1
DRAK0, DRAK1
DACK0, DACK1
DMAC operation register
DMAC source address register
DMAC destination address register
DMAC transfer count register
DMAC channel control register
SCI, SCIF
External bus
TMU
Figure 14.53 Block Diagram of the DMAC
Bus state
controller
32B data
buffer
DDTMODE
DBREQ
BAVL
DDTD
id[2:0]
tdack
Registr control
Count control
interface
Activation
Request
Bus
priority
control
control
14. Direct Memory Access Controller (DMAC)
Rev.4.00 Oct. 10, 2008 Page 583 of 1122
48 bits
8
DMAC module
Request
dreq0–7
CH0
CH4
DTR command buffer
Request controller
DDT module
DMATCR0–7
CH1
CH5
CHCR0–7
SAR0–7
DAR0–7
DMAOR
SAR0, DAR0, DMATCR0,
CHCR0 only
queclr0–7
CH2
CH6
TR DBREQ
dmaqueclr0-7
CH3
CH7
REJ09B0370-0400