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PDIUSBP11APW [MAIN ASSY (12/12) : IC1201]
• USB Driver IC
•
Pin Arrangement
1
MODE
OE#
2
RCV
3
V
4
P
V
5
M
SUSPND
6
GND
7
•
Pin Function
No.
Pin Name
I/O
Mode. When left unconnected a weak pull-up transistor pulls it to VCC and in this mode, the PDIUSBP11APW is
1
MODE
I
backward compatible to PDIUSBP11APW. When connected to ground the VMO/FSEO pin takes the function of
FSEO (force SEO)
Output enable. Active low, enables the transceiver to transmit data on the bus. When not active the transceiver is
2
OE#
I
in receive mode.
3
RCV
O
Receive data. CMOS level output for USB differential input.
Gated version of D- and D+. Outputs are logic "0" and logic "1". Used to detect single ended zero (SE0#), error
conditions and interconnect speed. (Inputs to SIE)
4
V
P
O
5
V
M
Suspend. Enables a low power state while the USB bus is inactive. While the SUSPND pin is active it will drive the
6
SUSPND
I
RCV pin to a logic "0" state. Both D+ and D- are tri-stated.
−
7
GND
Ground reference
−
8
NC
Not used
Edge rate control. Logic "1" operates at edge rates for "full speed". Logic "0" operates edge rates for "low speed".
9
SPEED
I
10
D+
AI/O Data+, Data-. Differential data bus conforming to the Universal Serial Bus standard.
11
D-
Inputs to differential drive. (Outputs from SIE).
12
V
PO
I
13
V
/F
MO
SEO
−
14 V
3.0V to 3.6V power supply
CC
14
V
CC
13
V
/F
MO
SEO
12
VPO
11
D +
10
D –
9
SPEED
NC
8
VP
VM
0
0
1
1
MODE
VPO
0
1
•
Block Diagram
OE#
2
SPEED 9
13
V
/F
MO
SEO
12
V
PO
RCV 3
4
V
P
V
5
M
Function
RESULT
0
SE0#
1
Low Speed
0
Full Speed
1
Error
VMO/FSEO
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
BD-V1100, BD-V1110
10
D –
11
D +
RESULT
Logic "0"
SE0#
Logic "1"
SEO#
SE0#
Logic "0"
Logic "1"
Illegal code
67
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