M66290AFP datasheet(4/54 Pages) RENESAS

4 / 54 page

USB DEVICE CONTROLLER

M66290AGP/FP

MITSUBISHI <DIGITAL ASSP>

OSCILLATO

R OUTPUT

OSCILLATO

R INPUT

Generate an internal clock.

Input or output of internal clock oscillator. When use as a crystal oscillator, connect a

crystal between Xin and Xout.

If an external clock is used, input it to Xin, and Xout must be opened.

Others

Output

Xout

Input

Xin

RESET

"L" level initializes the register or the counter of M66290A.

Input

RST

JTAG

interface

TEST2 INPUT (Built-in pull down resistor)

Input for the test. Keep "L" level or open.

TEST1 INPUT (Built-in pull down resistor)

Input for the test. Keep "L" level or open.

Input

TEST2

Input

TEST1

GND

CPU

interface

DMA

interface

USB

interface

Ground

Power supply pin

VCC

Output

Input

TEST DATA OUTPUT

Data output from JTAG. If the JTAG is not used, keep open.

TDO

TEST DATA INPUT (Built-in pull up resistor)

Data input to JTAG. If JTAG is not used, keep "H" level or open.

TDI

Input

TEST CLOCK INPUT (Built-in pull down resistor)

Clock input to JTAG. If JTAG is not used, keep "L" level or open.

TCK

TMS

Input

TEST MODE INPUT (Built-in pull up resistor)

Mode set input to JTAG. If JTAG is not used, keep "H" level or open.

TEST RESET INPUT (Built-in pull up resistor)

Reset input of JTAG. Even if the JTAG is not used, JTAG circuit must be

initialized. Input "L" level to initialize like the RST input.

Input

TRST

DMA ACKNOWLEDGE

FIFO access by DMA transfer is available in "L" level

Input

Dack

TrON OUTPUT

Connect to the D+ pull-up resistor of 1.5kohm.

ON/OFF control of the pull-up resistor is available.

Vbus INPUT (Built-in pull down resistor)

Connect to the Vbus of USB bus or to the 5V power supply.

Connection or shutdown of the Vbus can be detected.

Output

Input

TrON

Vbus

USB DATA(-)

D- of USB. Connect the external resistor serially.

Input/

Output

D-

Input/

Output

USB DATA(+)

D+ of USB. Connect the external resistor serially.

D+

Dreq

Output

DMA REQUEST

DMA transfer request to endpoint FIFO

INT

Output

INTERRUPT

"L" level requests interrupt to system

Input

READ STROBE

Input

WRITE STROBE

Input data is written into the register by the positive edge

CHIP SELECT

"L" level enables to communicate with M66290A

Input

ADDRESS BUS

Address bus to access the register from the system

Input

A6 to A1

DATA BUS

Data bus to access the register from the system

Input/

Output

D15 to D0

Item

Pin name

Input/

Function

Number of

PIN DESCRIPTIONS

M66290AFP 데이터시트(PDF) 4 Page - Renesas Technology Corp

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