Denon AVR-1909 Service Manual page 44

Pin Pin Name Symbol
87 P107/AN7 DSPRST
88 P106/AN6 -
89 P105/AN5 DSPROMRST
90 P104/AN4 -
91 P103/AN3 DSPFLAG0
92 P102/AN2 DSPICS
93 P101/AN1 DSP FLAG1
94 AVSS AVSS
95 P100/AN0 VPLDCLK
96 VREF VREF
97 AVCC AVCC
98 P97/SIN4 DSPMISO
99 P96/SOUT4 DSPMOSI
100 P95/CLK4 DSPICLK
Note: Pin No. : Terminal number of microcomputer.
Port Name : The name entered in the data sheet of microcomputer.
Symbol : Symbolized interface function.
I/O : Input or out of part.
Type : Composition of port in case of output port.
Op : Pull up/Pull down selection information.
Det : Indicates judging state of input port. Level detection is "LV"; Edge detection is "Ed"; Detection by both shifting is "E&L";
Serial data detection is "S" (Serial data output is also "S").
Res : State at reset.
STBY : State of port when STANDBY mode.
Stop : State of port when Stop mode.
Op
I/O Type Det
(Int.)
O C - -
O C - -
O C - -
O C - -
I - Lv -
O C -
I - - -
- - - -
O - - -
- - - -
- - - -
I - Lv -
O C - -
O C - -
"I" = Input port
"O" = Output port
"C" = CMOS output
"N" = NMOS open drain output
"P" = PMOS open drain output
"Iu" = Inner microcomputer pull up
"Id" = Inner microcomputer pull down
"Eu" = External microcomputer pull up
"Ed" = External microcomputer pull down
"H" = Outputs High Level at reset
"L" = Outputs Low Level at reset
"Z" = Becomes High impedance mode at reset
"O/L" = Output port and "L"
"I" = Input port
"O/L" = Output port and "L"
"I" = Input port
AVR-1909/789, AVC-1909
Op
Res
(Ext.)
- Z DSP (ADSP-21367) reset output pin (reset:L)
- Z Not used
Ed Z DSP memory reset(reset:L)
- Z Not used
Ed Z DSP control pin (ADSP-21367)
Eu Z DSP control pin (ADSP-21367)
- Z Not used
- - AD GND
- Z VIDEO PLD control pin
- - AD ref. +3.3V
- - AD +3.3V
Eu Z DSP control pin (ADSP-21367)
Eu Z DSP control pin (ADSP-21367)
Eu Z DSP control pin (ADSP-21367)
44
Function