M66290AFP datasheet(8/54 Pages) RENESAS

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USB DEVICE CONTROLLER

M66290AGP/FP

MITSUBISHI <DIGITAL ASSP>

W/R

0 : Normal Operation

1 : Software Control Mode Operation

Software control

mode

SCTR

Write/Read "0"

W/R

Reserved

7 to 2

9, 8

13, 12

USBE

0 : USB module disable (S/W Reset)

1 : USB module enable

USB module

enable

X0 : TrON port ="Hi-Z"

01 : TrON port ="L"

11 : TrON port ="H"

This fields selects TrON output state, and it is effective when

external Vbus input is "H" level (5V). If external Vbus input is "L",

these bits can be set but TrON output does not operate.

Tr_on output

control

Tr_on

[1:0]

0 : USB transceiver disable

1 : USB transceiver enable

In suspend state, resume signal can be received even if USB

transceiver disabled.

USB transceiver

power control

USBPC

0 : Internal clock (sck) disable

1 : Internal clock (sck) enable

Internal clock

enable

SCKE

Crystal select

XTAL[1:0]

00 : 1/1 division (external 48MHz input)

10 : 1/2 division (external 24MHz input)

01 : 1/4 division (external 12MHz input)

11 : 1/8 division (external 6MHz input)

0 : PLL disable

1 : PLL enable

When use external clock of 48MHz, set to PLL disable.

PLL control

PLLC

W/R

0 : Oscillator disable (clock input disable)

1 : Oscillator enable (clock input enable)

XCKE

Oscillator enable

Bit

Name

Function

W/R

USB

S/W

H/W

Reset

SCTR

Tr_on[1:0]

XTAL[1:0]

USBPC

SCKE

PLLC

XCKE

USBE

D10

D11

D12

D15

D13

D14

Name

W/R

Write/Read "0"

When CPU write "1" to WKUP for remote wake-up, M66290A outputs

K-State for 10ms, and return to Bus Idle-State.

(Remote wake-up signal)

This bit returns to "0" automatically after suspend is canceled.

If "1" is written into this bit after detected suspend, bus idle state is kept

for 2ms and after then shifts to K state output.

Reserved

Remote wake-up

WKUP

15 to 1

Bit

Name

Function

W/R

USB

S/W

H/W

Reset

WKUP

D10

D11

D12

D15

D13

D14

(1-2) Remote Wake-up Register (Address : 02h)

(1-1) USB Operation Enable Register (Address : 00h)

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