R8A66597BG RENESAS [Renesas Technology Corp], R8A66597BG Datasheet - Page 135
R8A66597BG
Manufacturer Part Number
R8A66597BG
Description
ASSP (USB2.0 2 Port Host/1 Port Peripheral Controller)
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.R8A66597BG.pdf
(185 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R8A66597BG
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Company:
Part Number:
R8A66597BG#DF1S
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 135 of 185
- Download datasheet (2Mb)
R8A66597FP/DFP/BG
3.4.1.3 Buffer Area
3.4.1.4 Buffer Memory Specifications (Single/Double Setting)
R e v 1 . 0 1
Table 3.14shows the buffer memory map for the controller. The buffer memory consists of a fixed area in which pipes
are pre-assigned and a user area in which the user can set blocks as needed. The DCP buffer is a fixed area used
only for control read transfers and control write transfers. Pipes 6-9 are pre-assigned to areas. When not using one of
these pipes, the user can assign one of pipes 1-5 to the unused pipe area and utilize as a user area. Be careful to set
the pipe areas so that they do not overlap. In addition, set the buffer size so that it is larger or equal than the maximum
packet size.
Pipes 1-5 can be specified as single or double buffers with the PIPExCFG register DBLB bit. The double buffer is a
function that assigns doulbe areas in the specified memory with the PIPEBUF register BUFSIZE bit for one pipe.
Figure 3.14 is a double buffer setting example of PIPE1 and PIPE3 as seen in the buffer memory map example.
O c t 1 7 , 2 0 0 8
0 – 3
4
5
6
7
8 – 135 (0x87)
Buffer Memory
p a g e 1 3 5 o f 1 8 3
Number
Table 3.14 Buffer Memory Map
256 bytes
(64 bytes x 4 blocks)
64 bytes
64 bytes
64 bytes
64 bytes
8192 bytes
(64 bytes x 128 blocks)
Buffer Size
DCP-only fixed
area
PIPE 6 fixed area
PIPE 7 fixed area
PIPE 8 fixed area
PIPE 9 fixed area
PIPE 1-5
Assignable PIPE
Related parts for R8A66597BG
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Renesas Technology Corp [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
Manufacturer:
Renesas Electronics Corporation.
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
RENESAS MCU
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet:
Part Number:
Description:
Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family / SH7641 Series
Manufacturer:
RENESAS [Renesas Technology Corp]
Datasheet: