HD6417706F133 Renesas Electronics America, HD6417706F133 Datasheet - Page 338

• Manufacturer Part Number: HD6417706F133
• Description: IC SUPERH MPU ROMLESS 176LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417706F133

• Core Processor: SH-3
• Core Size: 32-Bit
• Speed: 133MHz
• Connectivity: EBI/EMI, FIFO, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 103
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.75 V ~ 2.05 V
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 176-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Section 9 Direct Memory Access Controller (DMAC)
9.4.6
Channel 2 includes a reload function, in which the value returns to the value set in the SAR_2 for
each four transfers by setting the RO bit in CHCR_2 to 1. 16-byte transfer cannot be used. Figure
9.24 shows this operation. Figure 9.25 shows the timing chart of the source address reload
function, which is under the following conditions: burst mode, auto request, 16-bit transfer data
size, SAR_2 count-up, DAR_2 fixed, reload function on, and usage of only channel 2.
Rev. 5.00 May 29, 2006 page 288 of 698
REJ09B0146-0500
(High active)
Bus cycle
DREQ
DRAK
DACK
CKIO
Transfer
request
1st sampling
Source Address Reload Function
CPU
Figure 9.24 Source Address Reload Function Diagram
DMAC
DMAC(Read)
Figure 9.23 Burst Mode, Edge Input
Reload control
DMAC control
4 time
count
DMAC(Write)
Reload signal
Count signal
RO bit = 1
DMAC(Read)
Reload
signal
(initial value)
DMATCR_2
CHCR_2
SAR_2
SAR_2
DMAC(Write)
DMAC(Read)