D6417729RHF200BV Renesas Electronics America, D6417729RHF200BV Datasheet - Page 425

• Manufacturer Part Number: D6417729RHF200BV
• Description: IC SUPER H MPU ROMLESS 208QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of D6417729RHF200BV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: EBI/EMI, FIFO, IrDA, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 96
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.85 V ~ 2.15 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 208-QFP Exposed Pad, 208-eQFP, 208-HQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

12.2.3
DMA transfer count registers 0–3 (DMATCR0–DMATCR3) are 24-bit readable/writable registers
that specify the DMA transfer count (bytes, words, or longwords). The number of transfers is 1
when the setting is H'000001, and 16,777,216 (the maximum) when H'000000 is set. During a
DMA transfer, these registers indicate the remaining number of transfers.
In 16-byte transfer, one 16-byte transfer (128 bits) is counted as one.
Writing to upper eight bits in DMATCR is invalid; 0s are read if these bits are read.
When using 16-byte transfer, an integral multiple of 4 (4n) must be set for the number of transfers
to ensure normal operation.
The initial value is undefined in a reset. The previous value is retained in standby mode.
Initial value:
Initial value:
DMA Transfer Count Registers 0–3 (DMATCR0–DMATCR3)
R/W:
R/W:
Bit:
Bit:
R/W
31
23
—
—
R
R/W
30
22
—
—
R
R/W
29
21
—
—
R
R/W
28
20
—
—
R
27
—
R
Rev. 5.0, 09/03, page 377 of 806
26
—
...
...
...
...
R
25
—
R
R/W
24
—
—
R
0