Sherwood RD-7502 Service Manual page 38

Pin
Pin Name
#
22 COMM_TX_M
23 COMM_TX_P
26
OSC_OUT
28 OSC_IN
30 TEST
32 HSDP_DATA
34 HSDP_CLK
36 HSDP_EN
37 12S_DATA
39 12S_SCLK
41 12S_LRCLK
43 12S_OCLK
45 SAII_CLK
47 SAII_DATA
48 SAII_REQ
Pin # Pin Name
4, 8, 17, 20, 27,
VDD
33, 40, 46
2, 6, 10, 16, 21, 24,
25, 29, 31, 25, 38,
VSS
42, 44
Notes: All Inputs are 3.3V LVTTL compatible; S/T = Schmitt Trigger inputs; SLC = Slew Rate Controller Output
Function
Type
in Slave Mode
DT Comm Bus Internal
Output
Transmitter Differential Negative Out
DT Comm Bus Internal
Output
Transmitter Differential Positive Out
Output
Crystal Output
S=In
Crystal Input
M=In
Factory Test Mode Select
S=In
(1=Test, 0=Normal Oper.)
M=In
S=In
High Speed Data Port Data Input
M=Out
S=In
High Speed Data Port Clock Input
M=Out
S=Out
High Speed Data Port Enable Output
M=In
S=In
12S Digital Port Data In
M=Out
S=In
12S Digital Audio Port Bit
M=Out
Clock In
S=In
12S Digital Audio Port
M=Out
Left/Right Clock In
12S Digital Audio Port
S=In
Oversample Clock
M=Out
(not used - connect to Gnd???)
S=Out
SAII Port Clock Output
M=In
S=Out
SAII Port Data Output
M=In
S=In
SAII Port Request Input
M=Out
Type
PWR
+3.3V Supply Voltage
Digital Ground
GND
Function
in Master Mode
DT Comm Bus Internal
Transmitter Differential Negative Out
DT Comm Bus Internal
Transmitter Differential Positive Out
Crystal Output
Crystal Input
Factory Test Mode Select
(1=Test, 0=Normal Oper.)
High Speed Data Port Data Output
High Speed Data Port Clock Output
High Speed Data Port Enable Input
12S Digital Audio Port Data Out
12S Digital Audio Port Bit
Clock Out
12S Digital Audio Port
Left/Right Clock Out
12S Digital Audio Port
Oversample Clock Out
SAII Port Clock Input
SAII Port Data Input
SAII Port Request Output
Function
in Slave Mode
+3.3V Supply Voltage
Digital Ground
37
Notes
LVDS out-
LVDS out+
Crystal Buffer
Crystal Buffer
LVTTL S/T
Out=4mA, SLC
In=LVTTL S/T
Out=4mA, SLC
In=LVTTL S/T
Out=4mA, SLC
In=LVTTL S/T
Out=4mA, SLC
In=LVTTL S/T
Out=4mA, SLC
In=LVTTL S/T
Out=4mA, SLC
In=LVTTL S/T
Out=4mA, SLC
Out=4mA, SLC
3.3V S/T
Out=4mA, SLC
In=LVTTL S/T
Out=4mA, SLC
In=LVTTL S/T
Function
Notes
in Master Mode