
M66596FP/WG
rev .1.00
2006.3.14
page 6 of 127
State of pin *7)
Category
Pin name
Name
I/O
Function
Pin
count
(Pin
no.s.)
RST_
N=”L”
RST_
N
goes
“H”
PCUT
=1
SOF_N
SOF pulse
output
OUT
When an SOF is detected in the “L”
active state, an SOF pulse is output.
1
(52)
H
XIN
Oscillation
input
IN
1
(10)
Clock
XOUT
Oscillation
output
OUT
A crystal oscillator should be
connected between XIN and XOUT.
When using external clock input, the
external clock signal should be
connected to XIN, and XOUT should
be open.
1
(11)
RST_N
Reset signal
IN
At “L” level, the controller is initialized.
1
(63)
Input
(L)
Input
(H)
Input
(H)
System
control
TEST
Test signal
IN
This should be fixed at “L” or open.
1
(16)
DP
USB D+ data
I/O
This should be connected to the D+
pin of the USB bus.
1
(4)
Input
(Hi-z)
Input
(Hi-z)
Input
(Hi-z)
USB bus
interface
DM
USB D- data
I/O
This should be connected to the D- pin
of the USB bus.
1
(3)
Input
(Hi-z)
Input
(Hi-z)
Input
(Hi-z)
VBUS
monitor
input
VBUS
VBUS input
IN
This should be connected directly to
the Vbus of the USB bus. The
connected or disconnected state of the
Vbus can be detected. If this pin is not
connected with Vbus of a USB bus,
connect 5V.
And in case of a host controller, please
fix to 5V too.
*This pin can’t supply vbus.
1
(5)
Input
(Hi-z)
Input
(Hi-z)
Input
(Hi-z)
Reference
resistance
REFRIN
Reference
input
IN
This should be connected to AFEA33G
through a 5.6 kOhm ±1% resistance.
1
(8)
AFEA33V
Transceiver
unit analog
power supply
-
This should be connected to 3.3 V.
1
(12)
AFEA33G
Transceiver
unit analog
GND
-
1
(9)
AFED33V
Transceiver
unit digital
power supply
-
This should be connected to 3.3 V.
1
(2)
AFED33G
Transceiver
unit digital
GND
-
1
(1)
AFEA15V
Transceiver
unit analog 1.5
V power
supply
-
This should be connected to 1.5 V.
1
(6)
AFEA15G
Transceiver
unit analog
GND
-
1
(7)
AFED15V
Transceiver
unit digital 1.5
V power
supply
-
This should be connected to 1.5 V.
1
(13)
AFED15G
Transceiver
unit digital
GND
-
1
(14)
VDD
Core power
supply
-
This should be connected to 1.5 V.
1
(40)
VIF
IO power
supply
-
This should be connected to 3.3 V or
1.8 V.
3
(15, 42,
64)
Power
supply /
GND
DGND
Digital GND
-
1
(41)