23
SX-20-K
5
6
7
8
5
6
7
8
A
B
C
D
E
F
5.3 IC INFORMATION
J020780536000-IL (MAIN ASSY : IC101)
UPD78F0536_Main u COM
• Pin Arrangement (Top view)
AV
SS
AV
REF
24C16_SDA
24C16_SCLK
NC
TX
RX
PWR_LED
NC
NC
TUNER_INT
TUNER_SDIO
TUNER_SCLK
TUNER_SEN
TUNER_RST
P31
↔
→
→
←
→
→
↔
→
→
→
→
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
AV
SS
AV
REF
P10/SCK10/TxD0
P11/SI10/RxD0
P12/SO10
P13/TxD6
P14/RxD6
P15/TOH0
P16/TOH1/INTP5
P17/TI50/TO50
P30/INTP1
P53
P52
P51
P50
P31/INTP2/OCD1A
KEY1I(A/D)
→
49
P27/ANI7
P32/INTP3/OCD1B
32
→
P32
KEY2I(A/D)
→
50
P26/ANI6
P05/SSI11/TI001
31
NC
STEP
→
51
P25/ANI5
P06/TO01
/TI011
30
NC
PORT_TEMP
→
52
P24/ANI4
P70/KR0
29
NC
FL_SW/RLY
←
53
P23/ANI3
(IC101)
P71/KR1
28
NC
ST/BY_LED
←
54
P22/ANI2
UPD78F0536GK
P72/KR2
27
↔
VOL_SDA
VOL_UP
→
55
P21/ANI1
P73/KR3
26
→
VOL_SCL
VOL_DN
→
56
P20/ANI0
P74/KR4
25
NC
NC
57
P130
P75/KR5
24
NC
NC
58
P04/SCK11
P76/KR6
23
NC
FLT_CE
←
59
P03/SI11
P77/KR7
22
NC
FLT_CLK
←
60
P02/SO11
P33/TI51/TO51/INTP4
21
→
VOL_LATCH
FLT_DOUT
←
61
P01/TI010/TO00
P63
20
NC
RMC
→
62
P00/TI000
P62/EXSCL0
19
←
PORT_POWER
PWR_KEY
→
63
P141/BUZ/INTP7
P61/SDA0
18
←
PORT_DC
P_DN
→
64
P140/PCL/INTP6
P60/SCL0
17
NC
P123/XT1
FLMD0
REGC
Vss
Evss
V
DD
EV
DD
1
2
3
4
5
6
7
8
9
10
11 12 13
14
15
16
→
←
←
→
←
←
←
PORT_ASO
REC_MUTE
MAIN_MUTE
NC
NC
RESET
NC
H/P_RLY
FLMD0
SPK-A_RLY
SPK-B_RLY
REGC
Vss
Evss
V
DD
EV
DD
P120/INTP0/EXLVI
P121/X1/OCD0A
P42
P41
P122/X2/EXCLK/OCDOB
P43
P40
RESET
P124/XT2/EXCLKS
• Pin Function
Pin No. Symbol
I/O
Description
1
PORT_ASO
I
ASO Protection detection signal input pin
2
REC_MUTE
O
Output for RECORDER mute cotrol pin
3
MAIN_MUTE
O
Output for MAIN mute cotrol pin
4
NC
-
NOT USED
5
NC
-
NOT USED
6
RESET
I
Micom reset signal Input pin
7
NC
-
NOT USED
8
H/P_RLY
O
H/P_RLY output Relay control pin
9
FLMD0
-
UPGRADE Mode Pin
10
SPK-A_RLY
O
SPK-A_RLY speaker output Relay control pin
11
SPK-B_RLY
O
SPK-B_RLY speaker output Relay control pin
12
REGC
-
Regulator Capacitance (0.47UF)
13
Vss
-
Ground
14
Evss
-
Ground
15
V
DD
-
+3.3V power supply
16
EV
DD
-
+3.3V power supply
Summary of Contents for SX-20-K
Page 7: ...7 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 11: ...11 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F IC502 IC503 IC301 ...
Page 32: ...32 SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 Pin Function ...
Page 47: ...47 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F 1 x9 x5 x3 x3 x5 x6 x6 x5 x2 x15 x2 x2 x2 x4 x4 A A A ...