Denon AVR-1804 Service Manual page 10

Pin
Pin Name
No.
77 PWR DOWN
78 RDS CLK
79 RDS DATA
80 MUTE PWR
81 9184 CE
82 M32 INTREQ
83 MULTI MUTE
84 S. MONITOR DET
85 REMOCON
86 GND
87 GND
88 V
SS
89 V
DD
90 NC
91 TC9482 CE
92 PLL DATA
93 PLL CLK
94 PLL DT IN
95 TU MUTE
96 STEREO
97 TUNED
98 PLL CE
99 2090 CLK 1 VIDEO
100 2090 DATA VIDEO
M29W800AT (IC805)
48
1
A15 A16
A14 BYTE
A13 V
SS
A12 DQ15A-1
A11 DQ7
A10 DQ14
A9 DQ6
A8 DQ13
NC DQ5
NC DQ12
W DQ4
RP 12 37 V
M29W800T CC
NC 13 36 DQ11
M29W800T
NC DQ3
RB DQ10
A18 DQ2
A17 DQ9
A7 DQ1
A6 DQ8
A5 DQ0
A4 G
A3 V
SS
A2 E
A1 A0
24 25
IS61LV6416 (IC806)
A15 1
A14 2
A13 3
A12 4
A11 5
CE 6
I/O0 7
I/O1 8
I/O2 9
I/O3 10
Vcc 11
GND 12
I/O4 13
I/O5 14
I/O6 15
I/O7 16
WE 17
A10 18
A9 19
A8 20
A7 21
NC 22
I/O
I POWER DOWN DETECT
O TDA7330 CONTROL CLOCK
O TDA7330 CONTROL DATA
MUTE power ON/OFF switching
O
O TC9184 CONTROL
I/O MELODY32 CONTROL
O MULTI MUTE
I S Monitor connection detect input (L: Connected)
I REMOTE CONTROL SIGNAL INPUT
-
-
-
-
VDD BACK UP
-
O TC9482 CONTROL
O PLL CONTROL (LC72131), DATA (TC9482, TC9184, KIC9459)
O PLL CONTROL (LC72131), CLOCK (TC9482, TC9184, KIC9459)
O
PLL CONTROL (LC72131),
O TUNER MUTE
I STEREO DETECT
I TUNED DETECT
O PLL CONTROL
O BU2090 CONTROL CLOCK1 (VIDEO)
O BU2090 CONTROL DATA (VIDEO), LC74781 CONTROL DATA
V
CC
19
A0-A18
W
E
M29W800AT
G
RP
V
ss
44 A0
43 A1
42 A2
A0-A15
41 OE
40 UB
39 LB
38 I/O15
VCC
37 I/O14
GND
36 I/O13
I/O12
35
I/O0-I/O7
34 GND
Lower Byte
33 Vcc
32 I/O11 I/O8-I/O15
Upper Byte
31 I/O10
30 I/O9
29 I/O8
28 NC
CE
27 A3
OE
A4
26
WE
25 A5
UB
24 A6
LB
23 NC
AVR-1804/884 / AVC-1880
Function
PIN DESCRIPTION
Symbol
A0-A18
DQ0-DQ7
15
DQ8-DQ14
DQ0-DQ14
DQ15A-1
E
DQ15A-1
G
BYTE
W
RP
RB
RB
BYTE
V
CC
V
SS
NC
DU
64K x 16
DECODER
MEMORY ARRAY
I/O
COLUMN I/O
DATA
CIRCUIT
CONTROL
CIRCUIT
10
Pin Name
Address Inputs
Data Input/Outputs, Command Inputs
Data Input/Outputs
Data Input/Output or Address Input
Chip Enable
Output Enable
Write Enable
Reset/Block Temporary Unprotect
Ready/Busy Output
Byte/Word Organization
Supply Voltage
Ground
No Connected Internally
Don't Use as Internally Connected
PIN DESCRIPTION
Symbol Pin Name
A0-A15 Address inputs
I/O0-I/O15 Data Inputs/Outputs
CE Chip Enable Input
OE Output Enable Input
WE Write Enable Input
LB Lower-byte Control (I/O0-I/O7)
UB Upper-byte Control (I/O8-I/O15)
NC No Connection
V Power
CC
GND Ground
10