IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -75
Q103 : F2628E-01 (XM Digital Transceiver)
TERMINAL DESCRIPTION(2/2)
DTR-7.8
32
HSDP_DATA
S=In
M=Out
High Speed Data Port Data
Input
High Speed Data Port Data
Output
Out= 4mA, SLC
In=LVTTL S/T
34
HSDP_CLK
S=In
M=Out
High Speed Data Port Clock
Input
High Speed Data Port Clock
Output
Out= 4mA, SLC
In=LVTTL S/T
35
DT4_MODE
S=In
M=In
Enables/Disables driver on
SC_RATE and ANT_REV
(High = enable driver) This
pin was VSS on rev 3
XM/DT IC
Enables/Disables drivers on
MUTE and ANT_REV (High
= enable drivers) This pin
was VSS on rev 3 XM/DT IC
In=LVTTL S/T
36
HSDP_EN#
S=In
M=Out
High Speed Data Port Enable
Input (Active low)
High Speed Data Port Enable
Output (Active low)
Out= 4mA, SLC
In=LVTTL S/T
37
I2S_DATA
S=In
M=Out
I2S Digital Audio Port Data In
I2S Digital Audio Port Data
Out
Out= 4mA, SLC
In=LVTTL S/T
39
I2S_SCLK
S=In
M=Out
I2S Digital Audio Port Bit
Clock In
I2S Digital Audio Port Bit
Clock Out
Out= 4mA, SLC
In=LVTTL S/T
41
I2S_LRCLK
S=In
M=Out
I2S Digital Audio Port
Left/Right Clock In
I2S Digital Audio Port
Left/Right Clock Out
Out= 4mA, SLC
In=LVTTL S/T
43
I2S_OCLK
S=In
M=Out
I2S Digital Audio Port
Oversample Clock
(not used, leave unconnected)
I2S Digital Audio Port
Oversample Clock Out
Out= 4mA, SLC
44
MUTE
S=n/u
M=Out
Not used in Slave mode, leave
unconnected
Provides a mechanism for
muting the audio during an
I2S rate change (High=mute)
Out= 4mA, SLC
45
SAII_CLK
S=Out
M=In
SAII Port Clock Output
SAII Port Clock Input
Out= 4mA, SLC
In=LVTTL S/T
47
SAII_DATA
S=Out
M=In
SAII Port Data Output
SAII Port Data Input
Out= 4mA, SLC
In=LVTTL S/T
48
SAII_REQ
S=In
M=Out
SAII Port Request Input
SAII Port Request Output
Out= 4mA, SLC
In=LVTTL S/T
Pin#
Pin Name
Type
Function
in Slave Mode
Function
in Master Mode
Notes
4, 8, 17, 20,
27, 33, 40, 46
VDD
PWR
+3.3V Supply Voltage
+3.3V Supply Voltage
2, 10, 16, 21,
24, 25, 31, 38,
42
VSS
GND
Digital Ground
Digital Ground
Pin No.
Pin Name
Direction
Function in Slave Mode
Function in Master Mode
Notes