M30245 datasheet(86/266 Pages) RENESAS

86 / 266 page

M30245 Group

Universal Serial Bus

Rev.2.00

Oct 16, 2006

page 86 of 264

REJ03B0005-0200

USB Endpoint Enable Register

The USB Endpoint Enable Register, shown in Figure 1.53, is used to enable/disable an individual endpoint. EP0 is

always enabled and cannot be disabled by firmware. All endpoints are disabled after reset.

Figure 1.54. USB DMAx Request register (x=0 to 3)

Figure 1.53. USB Endpoint Enable register (USBEPEN)

Bit Symbol

Bit Name

Function

R W

Must always be "0"

Symbol

USBEPEN

Address

028E

When reset

0000

USB Endpoint Enable register

(b15)

(b8)

EP1_OUT

0 0000

EP1 OUT enable

0 : Disabled

1 : Enabled

O O

EP1_IN

EP2_OUT

EP2_IN

EP3_OUT

EP3_IN

EP4_OUT

EP4_IN

EP1 IN enable

EP2 OUT enable

EP2 IN enable

EP3 OUT enable

EP3 IN enable

EP4 OUT enable

EP4 IN enable

Reserved

Bit Symbol

Bit Name

Function

R W

Must always be "0"

Symbol

USBDMAx (x=0 to 3)

Address

0290

16, 029216,

0294

16, 029616

When reset

0000

USB DMAx Request registers

(b15)

(b8)

DMAxRO

DMAxR1

DMAxR2

DMAxR3

DMAxR4

DMAxR5

DMAxR6

DMAxR7

DMAxR8

DMAxR9

0 000

EP0 IN FIFO write request select bit

EP1 IN FIFO write request select bit

EP2 IN FIFO write request select bit

EP3 IN FIFO write request select bit

EP4 IN FIFO write request select bit

EP0 OUT FIFO read request select bit

EP1 OUT FIFO read request select bit

EP2 OUT FIFO read request select bit

EP3 OUT FIFO read request select bit

EP4 OUT FIFO read request select bit

O O

Reserved

O O

0 : Not selected

1 : Selected

USB DMAx Request Register (x = 0 to 3)

The USB DMAx Request Register, shown in Figure 1.54, selects which USB EPx FIFO read/write requests are used as

the DMAC channels 0 to 3 request source. Each USB DMAx Request Registers should have only one bit set at any given

time. When multiple bits are set, no request is selected.

M30245 Datasheet(PDF) 86 Page - Renesas Technology Corp

M30245 Datasheet(HTML) 86 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL