Denon AVR-2310 Service Manual page 45

PIN
PIN PIN NAME
No.
17 P85/NMI NMI
18 P84/INT2 PROTECTION
19 P83/INT1 POWERKEY
20 P82/INT0 D.OSD CPU REQ
21 P81 D.OSD CPU ACK
22 P80/RXD5 D.OSD CPU RX
23 P77/CLK5 D.OSD CPU CLK
24 P76/TXD5 D.OSD CPU TX
25 P75/(ISRXD1) HD_AUDIO_LED
26 P74/(ISCLK1) VOLCLK
27 P73/(ISTXD1) VOLDATA
28 P72/CLK2 ISELB
29 P71/RXD2 SIRIUS RXD
30 P70/TXD2 SIRIUS TXD
31 P67/TXD1 MO232CI
32 P66/RXD1 MI232CO
33 P65/CLK1 GUI WRITE
34 P64/ VSELA
35 P63/TXD0 MOIPI
36 P62/RXD0 MIIPO
37 P61/(CLK0) VSELB
38 P60 ISELA
39 P57 REDLED
40 P56 FL_CE1
41 P55/EPM FRASH EMP/
FL_CLK
42 P54 M232CPOWER
43 P53 DYN_LED
44 P52 DYN_LED
45 P51 NC
46 P50/CE FRASH CE
47 P47 RDSDOUT
48 P46 TURD-
SCLK(CKTU)
49 P45 TURDSDATA
(DATATU)
50 P44 RDSCE
51 P43 RDSRST
52 P42 THERMAL
53 P41 FRONT A RLY
54 P40 FRONT B RLY
55 P37 TUDOUT
(DATAOUT)
56 P36 TUSTB
57 P35 STEREO
58 P34 TUNED
59 P33 IPDET
60 P32 TRIGGER1
61 P31 232C CONTROL
62 VCC VCC
63 P30 SUB UPDATE
64 VSS VSS
65 P27 PRE POWER
Lv Op Op
I/O Type DET
Cnv (in) (ex)
I - - - -
I - - - Eu
E ↓&L
I - Lv - - Eu
I - - 5/3 -
O - - 5/3 -
I - - 5/3 -
O - - 5/3 -
O - - 5/3 -
OI C - - - Eu
O C - - -
O C - - -
IO - - - -
I - - - -
O N - - - Eu
O C - - -
I - - - - Ed
O C - - -
IO - - - -
O C - - -
I - - - - Ed
I - - - - Eu
I - - - - Eu
O C - - -
O C - -
O C - - -
O C - - - Ed
O C - - -
O C - - -
O C - - -
O C - - -
I - - - - Eu
O C - - -
O C - - -
O C - - -
O C - - -
I - - - - Ed
O C - - -
O C - - -
I - Lv - - Ed
O C - - -
I - Lv - - Eu
I - Lv - - Eu
I - Lv - - Eu
O - - - -
O C - - -
- - - - -
O C - - -
- - - - -
O C - - -
AVR-2310CI/2310/890, AVC-2310
PURE CEC STBY P.OFF
Res
D STBY STOP STOP
- - - - - -
Z - - I I
Z - - I O/L
- Z - - O/L O/L
- Z - - O/L O/L
- Z - - O/L O/L
- Z - - O/L O/L
- Z - - O/L O/L
Z - - O/L O/L
- Z - O/L O/L O/L
- Z - O/L O/L O/L
- Z - O/L O/L O/L
- Z - O/L O/L O/L
Z O/L - O/L O/L
- Z - - O/L O/L
Z - - O/L O/L
- Z - - O/L O/L
- Z - O/L O/L O/L
- Z - - O/L O/L
Z - - O/L O/L
Z - - O/L O/L
Z - - O/L O/L
- Z - O/H O/H O/L
- Z - O/L O/L O/L
- Z - O/L O/L O/L
Z - - O/L O/L
- Z - O/L O/L O/L
- Z - O/L O/L O/L
- Z - O/L O/L O/L
- Z - - O/L O/L
Z - - O/L O/L
- Z - O/L O/L O/L
- Z - O/L O/L O/L
- Z - O/L O/L O/L
- Z - O/L O/L O/L
Z - - O/L O/L L:PROTECTION Thermal protection detect
- Z - O/L O/L O/L H:Front A Sp ON FRONT A speaker relay control
- Z - O/L O/L O/L H:Front B Sp ON FRONT B speaker relay control
Z - - O/L O/L
- Z - O/L O/L O/L
Z - O/L O/L O/L
Z - O/L O/L O/L
Z - - O/L O/L
- Z - - O/L O/L
- Z - - O/L O/L
- - - - - -
- Z O/L O/L O/L O/L
- - - - - -
- Z - O/L O/L O/L
45
Function
5V
Fall Edge & L PROTECTION Detect
POWER key operation det
Interface between Main CPU and
D.OSD CPU
Interface between Main CPU and
D.OSD CPU
Interface between Main CPU and
D.OSD CPU
Interface between Main CPU and
D.OSD CPU
Interface between Main CPU and
D.OSD CPU
H : ON HD_AUDIO indicator (blue led)
control
Volume control
Volume control
SOURCE encoder operation
detect
UART SIRIUS control
UART SIRIUS control
UART Interface between Main CPU and
external i/o port
UART Interface between Main CPU and
external i/o port
H : Write DIGITAL OSD Firmware update
control
VOLUME encoder operation
detect
UART iPod dock control
UART iPod dock control
VOLUME encoder operation
detect
SOURCE encoder operation
detect
H : ON Power indicator (green led) control
FL display unit control
Firmware update /
FL display control
H : POWER ON 232C power control
H : ON DYNAMIC EQ indicator control
H : ON DYNAMIC EQ indicator control
Firmware upddate control
TUNER control
TUNER control
TUNER control
TUNER control
TUNER control
TUNER control
TUNER control
STEREO broadcast detect
TUNED det.
H:DETECTIVE iPod dock connection det
H : ON TRIGGER OUT control
232C control
POWER 5V
Firmware update control
GND
H : ON Pre-power components powert
control