HD6417751RF240V Renesas Electronics America, HD6417751RF240V Datasheet - Page 632

• 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)
Relationship between DMA Transfer Type, Request Mode, and Bus Mode
Table 14.7 shows the relationship between the type of DMA transfer, the request mode, and the
bus mode.
Table 14.7 Relationship between DMA Transfer Type, Request Mode, and Bus Mode
Address
Mode
Single
Dual
Legend:
32B:
B:
C:
External:
Internal:
Notes: 1. External request, auto-request, or on-chip peripheral module request (TMU input
Rev.4.00 Oct. 10, 2008 Page 532 of 1122
REJ09B0370-0400
2. Auto-request, or on-chip peripheral module request possible. If the transfer request
3. When the transfer request source is the SCI (SCIF), only cycle steal mode can be used.
4. Access size permitted for the on-chip peripheral module register that is the transfer
Type of Transfer
External device with DACK
and external memory
External device with DACK
and memory-mapped external
device
External memory and external
memory
External memory and memory-
mapped external device
Memory-mapped external
device and memory-mapped
external device
External memory and
on-chip peripheral module
Memory-mapped external
device and on-chip
peripheral module
Burst
Cycle steal
32-byte burst transfer
External request
Auto request, on-chip peripheral module request
capture interrupt request) possible. In the case of an on-chip peripheral module request,
it is not possible to specify external memory data transfer with the SCI (SCIF) as the
transfer request source.
source is the SCI (SCIF), either the transfer source must be SCRDR1 (SCFRDR2) or
the transfer destination must be SCTDR1 (SCFTDR2).
source or transfer destination.
Request
Mode
External
External
Internal*
external*
Internal*
external*
Internal*
external*
Internal*
Internal*
1
1
1
2
2
7
7
7
,
,
,
Bus
Mode
B/C
B/C
B/C
B/C
B/C
B/C*
B/C*
3
3
Transfer Size
(Bits)
8/16/32/64/32B 0, 1 (2, 3)*
8/16/32/64/32B 0, 1 (2, 3)*
8/16/32/64/32B 0, 1, 2, 3*
8/16/32/64/32B 0, 1, 2, 3*
8/16/32/64/32B 0, 1, 2, 3*
8/16/32/64*
8/16/32/64*
4
4
Usable
Channels
0, 1, 2, 3*
0, 1, 2, 3*
5,
5,
5,
5,
5,
6
6
*
*
*
*
*
6
6
6
6
6