Yamaha RX-A710 - Page 79

IC308: LC709004A-TLM-E (VIDEO P.C.B.)
I/O-expander for microcontroller
Pin
No.
Port Name Function Name
Related Power Supply
Detail of FunctionON OFF
I/O Logic I/O Logic
8 P17 VID_N_MMT O L act O Low Monitor output mute
9 P16 VID_BYPS O H act O Low Composite bypass line select
10 P15 – O Low O Low No used
11 P14 – O Low O Low No used
12 P13 CPNT_N_VMT O L act O Low Component output mute
13 P12 DC_TRG1 O H act O Low Control out 1
14 P11 – O Low O Low No used
15 P10 – O Low O Low No used
17 P07 VID_N_RMT O L act O Low AVOUT mute
18 P06 VID_SEL1 O O Low Input select of Y/C
19 P05 VID_SEL2 O O Low Input select of Y/C
20 P04 VID_SEL3 O O Low Input select of Y/C
21 P03 CPNT_BYPS O H act O Low Component bypass line select
22 P02 CPNT_SEL O L act O Low Component input select
23 P01 – O Low O Low No used
24 P00 – O Low O Low No used
Control logic
port 0 I/O buffer
Serial/parallel converter/shift register
I/O control/output register
DIN
VDD
DOUT
VSS
CLK#
CS#
RES#
P00 P07
2
14
15
19
3
4
21
24 17
port 1 I/O buffer
P10
P17
15 8
79
RX-V671/HTR-6064/RX-A710
RX-V671/HTR-6064/
RX-A710
DRAFT