Denon AVR-789 Service Manual page 68

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Pin
Pin Name
#
1 LSDP
3 SC_TX_OUT
5 SC_RX_IN
6 RFU (I2C-SCL)
7 RFU (I2C-SDA)
9 ANT_REV
11 RESET#
12 SLAVE_SEL
13 I2S_RATE
14 LINKACTIVE
15 COMM_TX_EN
18 COMM_RX_P
TE
L 13942296513
19 COMM_RX_M
22 COMM_TX_M
23 COMM_TX_P
26 OSC_OUT
28 OSC_IN
SC_RATE
29 (Rev 4A only, pull
down for rev 3B)
30 TEST
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Direct- Function
ion in Slave Mode
S=In
Low Speed Data Port Input
M=Out
S=Out System Controller Bus (CBM)
M=Out Transmit Data Out
S=In System Controller Bus (CBM)
M=In Receive Data In
Reserved for Future Use (pull
S=In
down with a 100k resistor to
M=In
Ground)
Reserved for Future Use (pull
S=In
down with a 100k resistor to
M=In
Ground)
S=n/u Not used in Slave mode, leave
M=Out unconnected
S=In Asynchronous Reset In,
M=In (Active Low)
S=In Master/Slave Mode Select In
M=In (High = Slave Mode)
S=Out Output driven high, leave
M=Out unconnected
Link Active indicator (High =
S=Out
DT bus link is active and data
M=Out
is flowing)
DT Comm Bus External
S=Out
Transceiver Direction
M=Out
Control Output (0=Tx, 1=Rx)
S=In DT Differential Comm Bus
M=In Internal Receiver Positive In
S=In DT Differential Comm Bus
M=In Internal Receiver Negative In
DT Differential Comm Bus
S=Out
Internal Transmitter Negative
M=Out
Out
DT Differential Comm Bus
S=Out
Internal Transmitter Positive
M=Out
Out
S=Out
Crystal Driver Output
M=Out
S=In
Crystal/ Ext. Clock Input
M=In
SC interface baud rate Output
S=Out (High = DT4_MODE is high
M=In and the Master DTIC is
operating at 115.2K baud)
S=In Factory Test Mode Select
M=In (1=Test, 0= Normal Oper.)
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AVR-1909/789, AVC-1909
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p
2 9
8 Function
in Master Mode
Low Speed Data Port Output
System Controller Bus (CBM)
Transmit Data Out
System Controller Bus (CBM)
Receive Data In
Reserved for Future Use (pull
down with a 100k resistor to
Ground)
Reserved for Future Use (pull
down with a 100k resistor to
Ground)
Indication of incompatible
refer to section
antenna (
4.3.2 for usage)
Asynchronous Reset In,
(Active Low)
Master/Slave Mode Select In
(Low = Master Mode)
Indicator of incoming I2S data
rate (see section 4.4.2)
Link Active indicator (High =
DT bus link is active and data
is flowing)
DT Comm Bus External
Transceiver Direction
Control Output (0=Tx, 1=Rx)
DT Differential Comm Bus
Internal Receiver Positive In
Q Q
3 6 7 1 3 1 5
DT Differential Comm Bus
Internal Receiver Negative In
DT Differential Comm Bus
Internal Transmitter Negative
Out
DT Differential Comm Bus
Internal Transmitter Positive
Out
Crystal Driver Output
Crystal/ Ext. Clock Input
SC interface baud rate select
Input
(High = 115.2K baud, Low =
9600 baud)
Factory Test Mode Select
(1=Test, 0= Normal Oper.)
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68
9 4 2 8
Notes
Out= 4mA, SLC
In=LVTTL S/T
4mA, SLC
LVTTL S/T
LVTTL S/T
LVTTL S/T
4mA, SLC
LVTTL S/T
LVTTL S/T
4mA, SLC
4mA, SLC
4mA, SLC
LVDS in+
0 5 8 2 9 9 4 2 8
LVDS in–
LVDS out–
LVDS out+
Out= 4mA, SLC
In=LVTTL S/T
LVTTL S/T
m
9 9
9 9