Sony UDA-1 Service Manual page 63

Usb dac amplifier
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DIGITAL BOARD IC508 TUSB1210BRHBR (USB TRANSCEIVER)
Pin No.
Pin Name
1
REFCLK
2
NXT
3 to 7
DATA0 to DATA4
8
NC_8
9, 10
DATA5, DATA6
11
CS
12
VDD15
13
DATA7
14
CFG
15, 16
NC_15, NC_16
17
CPEN
18
DP
19
DM
20
VDD33
21
VBAT
22
VBUS
23
ID
24, 25
NC_24, NC_25
26
CLOCK
27
RESTEB
28
VDD18_28
29
STP
30
VDD18_30
31
DIR
32
VDDIO
I/O
Reference clock input terminal
I
Input or output setting terminal for CLOCK (pin 26)
Fixed at "L" in this unit
O
NXT signal output to the USB controller
I/O
Two-way ULPI data bus with the USB controller
-
Not used
I/O
Two-way ULPI data bus with the USB controller
Chip select signal input terminal
I
Fixed at "H" in this unit
-
Power supply terminal (+1.5V)
I/O
Two-way ULPI data bus with the USB controller
Reference clock frequency confi guration terminal for REFCLK (pin 1)
I
"L": 19.2 MHz, "H": 26 MHz
-
Not used
O
VBUS power on/off control signal output to the USB switch
I/O
Two-way USB serial data (+) bus with the USB switch
I/O
Two-way USB serial data (–) bus with the USB switch
-
Power supply terminal (+3.3V)
-
Power supply terminal (+3.3V)
-
Power supply terminal (+5V)
I/O
Identifi cation signal input/output terminal
-
Not used
I
Clock signal input from the USB controller
I
Reset signal input from the USB controller
-
Power supply terminal (+1.8V)
I
STP signal input from the USB controller
-
Power supply terminal (+1.8V)
O
DIR signal output to the USB controller
-
Power supply terminal (+1.8V)
Description
"L": input mode, "H": output mode
"L": power down, "H": normal operation
"H": VBUS power on
Not used
"L": reset
UDA-1
63

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