MITSUBISHI <DIGITAL ASSP>
M66290AGP/FP
USB DEVICE CONTROLLER
PIN DESCRIPTIONS
Item
Pin name
Input/
D15 to D0
A6 to A1
CS
CPU
interface
WR
RD
INT
Dreq
DMA
interface
Dack
D+
D-
USB
interface Vbus
Input
Input
Input
Output
Output
Function
Number of
Input/ DATA BUS
Output Data bus to access the register from the system
Input
Input
ADDRESS BUS
Address bus to access the register from the system
CHIP SELECT
"L" level enables to communicate with M66290A
WRITE STROBE
Input data is written into the register by the positive edge
READ STROBE
Register data can be read when "L" level
INTERRUPT
"L" level requests interrupt to system
DMA REQUEST
DMA transfer request to endpoint FIFO
DMA ACKNOWLEDGE
FIFO access by DMA transfer is available in "L" level
16
6
1
1
1
1
1
1
1
1
Input/ USB DATA(+)
Output D+ of USB. Connect the external resistor serially.
Input/ USB DATA(-)
Output D- of USB. Connect the external resistor serially.
Input
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.
1
TrON
TrON OUTPUT
Output Connect to the D+ pull-up resistor of 1.5kohm.
ON/OFF control of the pull-up resistor is available.
Input
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.
TEST MODE INPUT (Built-in pull up resistor)
Mode set input to JTAG. If JTAG is not used, keep "H" level or open.
TEST CLOCK INPUT (Built-in pull down resistor)
Clock input to JTAG. If JTAG is not used, keep "L" level or open.
TEST DATA INPUT (Built-in pull up resistor)
Data input to JTAG. If JTAG is not used, keep "H" level or open.
TEST DATA OUTPUT
Data output from JTAG. If the JTAG is not used, keep open.
RESET
"L" level initializes the register or the counter of M66290A.
1
TRST
1
TMS
JTAG
interface TCK
Input
Input
1
1
1
1
1
1
1
1
1
3
3
TDI
TDO
RST
Xin
Xout
Others
TEST1
TEST2
V
CC
GND
Input
Output
Input
Input
OSCILLATO Generate an internal clock.
R INPUT
Input or output of internal clock oscillator. When use as a crystal oscillator, connect a
OSCILLATO crystal between Xin and Xout.
Output
R OUTPUT If an external clock is used, input it to Xin, and Xout must be opened.
Input
Input
TEST1 INPUT (Built-in pull down resistor)
Input for the test. Keep "L" level or open.
TEST2 INPUT (Built-in pull down resistor)
Input for the test. Keep "L" level or open.
Power supply pin
Ground
-
-
3
RENESAS [ RENESAS TECHNOLOGY CORP ]
