HD6417706F133 Renesas Electronics America, HD6417706F133 Datasheet - Page 306
HD6417706F133
Manufacturer Part Number
HD6417706F133
Description
IC SUPERH MPU ROMLESS 176LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.HD6417706F133V.pdf
(751 pages)
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
-
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Section 9 Direct Memory Access Controller (DMAC)
9.3.3
DMA transfer count registers 0 to 3 (DMATCR_0 to DMATCR_3) are 24-bit read/write registers
that specify the DMA transfer count (bytes, words, or longwords) in each channel. The number of
transfers is 1 when the setting is H'000001, and 16777216 (the maximum) when H'000000 is set.
During a DMA transfer, these registers indicate the remaining transfer count.
To transfer data in 16 bytes, one 16-byte transfer (128 bits) counts one.
Upper eight bits in DMATCR are reserved. These bits are always read as 0. The write value
should always be 0.
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 by resets. The previous value is held in standby mode.
9.3.4
DMA channel control registers 0 to 3 (CHCR_0 to CHCR_3) are 32-bit read/write registers that
specifies operation mode, transfer method, or others in each channel.
These register values are initialized to 0s by resets. The previous value is held in standby mode.
When accessed in 16 bits, the other 16-bit data which has not been accessed is held.
Rev. 5.00 May 29, 2006 page 256 of 698
REJ09B0146-0500
Bit
31 to 24
23 to 0
DMA Transfer Count Registers 0 to 3 (DMATCR_0 to DMATCR_3)
DMA Channel Control Registers 0 to 3 (CHCR_0 to CHCR_3)
Bit Name
Initial Value
R/W
R
R/W
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
24-bit register
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