Yamaha HTR-5920 Manuale di servizio - Pagina 21

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Yamaha HTR-5920 Manuale di servizio
IC81: TMP87PS71AF (FRONT P.C.B.)
Microprocessor
PORT ASSIGNMENT
No.
PORT NAME
1
P10
REMOTE_IN
2
P11
RDS_CLK
3
P12
RDS_DATA
4
P13
PLL_CE
5
P14
EXP/PLL_CLK
6
P15
EXP/PLL_DATA
7
P16
N.C
8
P17
N.C
9
TEST
GND
10
P21
EVOL_CE
11
P22
EVOL_CLK
12
RESET
RESET
13
XIN
X-IN
14
XOUT
X-OUT
15
VSS
GND
16
P20
BACK_UP
17
P30
EVOL_DATA
18
P31
N.C
19
P32
DSP_RST
20
P33
DSP_INTREQ
21
P34
DSP_DIN
22
P35
DSP/CODEC_CLK
23
P36
DSP_CS
24
P37
DSP/CODEC_DATA
25
P00
CODEC_CS
26
P01
CODEC_RESET
27
P02
PLL_DIN
28
P03
POWER_ON
29
P04
EXP_CLK2
30
P05
EXP_DATA2
31
P06
EXP_CE2
32
P07
FUN_MUTE
33
VDD
VDD
34 to 54
SEG 1 to SEG 21
55 to 65
GRID 11 to GRID 1
66
VKK
VKK
67
P40
OPTION
68
P41
H/PHONE_IN
69
P42
TUNED
70
P43
STEREO
71
P44
VOL_UP
72
P45
VOL_DOWN
73
P46
LEVEL_IN
74
P47
PROTECT_IN
75
P50
PROTECT_IN
76
P51
KEY_IN3
77
P52
KEY_IN1
78
P53
KEY_IN2
79
P54
N.C
80
P55
EXP_CE1
I/O
DESCRIPTION
INPUT
INPUT
INPUT
OUTPUT
OUTPUT
OUTPUT
-
-
-
OUTPUT
OUTPUT
INPUT
INPUT
OUTPUT
-
INPUT
OUTPUT
-
OUTPUT
INPUT
INPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
INPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
-
OUTPUT
OUTPUT
-
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
-
OUTPUT
ACTIVE
SERIAL DATA
REMOTE DATA INPUT
SERIAL DATA
SERIAL DATA
SERIAL DATA
SERIAL DATA
PLL CLOCK & CD4094 CLOCK 1
SERIAL DATA
PLL DATA & CD4094 DATA 1
-
-
-
SERIAL DATA
NJW1153 (E VOL+FUNCTION SELECT)
SERIAL DATA
NJW1153 (E VOL+FUNCTION SELECT)
-
-
OSC FREQUENCY = 8 MHz
-
OSC FREQUENCY = 8 MHz
-
LOW
CPU ENABLE PORT
SERIAL DATA
NJW1153 (E VOL+FUNCTION SELECT)
-
SERIAL DATA
SERIAL DATA
DSP: CS493264 , TR INVERT and 1k PULL_UP
SERIAL DATA
DSP: CS493264 , TR INVERT and 1k PULL_UP
SERIAL DATA
SERIAL DATA
SERIAL DATA
SERIAL DATA
SERIAL DATA
SERIAL DATA
HIGH
SERIAL DATA
CD4094 CLOCK 2
SERIAL DATA
CD4094 DATA 2
SERIAL DATA
CD4094 CHIP ENABLE 2
LOW
-
SERIAL DATA
VFD = 11-BT-230GNK
SERIAL DATA
VFD = 11-BT-230GNK
-
VFD = 11-BT-230GNK
-
LOW
EXTERNAL +5V PULL_UP
LOW
LOW
EXTERNAL +5V PULL_UP
EXTERNAL +5V PULL_UP
HIGH
LOW
EXTERNAL +5V PULL_UP
EXTERNAL +5V PULL_UP
EXTERNAL +5V PULL_UP
SERIAL DATA
CD4094 CHIP ENABLE 1
HTR-5920
REMARKS
21