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參數(shù)資料
| 型號： | MB86434PF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | 5V Single Power Supply Audio Interface Unit (AIU) |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, QFP-64 |
| 文件頁數(shù)： | 4/38頁 |
| 文件大?。?/td> | 574K |
| 代理商： | MB86434PF |
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MB86434
4
(Continued)
Pin No.
Symbol
I/O
A/D
Description
20
LO0
O
D
External control latch output pin. Outputs value D
0
of address 1000. CMOS
interface.
21
LO1
O
D
External control latch output pin. Outputs value D
1
of address 1000. CMOS
interface.
22
LO2
O
D
External control latch output pin. Outputs value D
2
of address 1000. CMOS
interface.
23
LO3
O
D
External control latch output pin. Outputs value D
3
of address 1000. CMOS
interface.
24
TCLK
I
D
Tone generator clock input pin. Can be used as a tone CLK signal by using
address 1110 D4D3 to subdivide the internal clock signal by factors of 1/1,
1/2, 1/4. CMOS interface.
25
TONC
I
D
Tone generator cycle control input pin. CMOS interface. Hlevel signal
outputs tone.
26
LED
O
D
Ring LED control output pin. CMOS interface.
27
TENV
I
A
Can be used to generate tone envelope, by placing capacitor between
grounds and turning SW11 on/off.
28
SWO
I/O
A
Analog switch 10 input/output pin. Controls address 0111 D
0
.
29
SWI
I/O
A
Analog switch 10 input/output pin.
30
DSDT
I
A
Accessory input. Can be connected to RAUD by switching paths.
31
TONEO
O
A
Tone signal output pin.
32
RAUD
O
A
Output pin for external speaker, or audio test signal. Can be connected to
DSDT by switching paths.
33
VDDSP1
P
A
Speaker amp power supply pin. To be set within range 4.75 to 5.25 V.
Earphone speaker amp output pin. Capable of 5 mW output at 32
load.
Receiver speaker amp output pin. Internally connected to EAR and BTL.
Maximum output of 10 mW can be obtained at 32 W load by connecting
speaker between EAR and XEAR.
34
JEAR
O
A
35
XEAR
O
A
36
EAR
O
A
Receiver speaker amp output pin. Connected to XEAR and BTL.
37
SPG1
G
A
Speaker amp ground pin. To be set to 0 V.
38
SPG2
G
A
Speaker amp ground pin. To be set to 0 V.
39
XTONE
O
A
Speaker amp tone output pin. Internally connected to TONE and BLT.
Maximum output of 10 mW can be obtained at 32
load by connecting
speaker between TONE and XTONE.
40
TONE
O
A
Speaker amp tone output pin. When speaker amp is not used for tone,
TONE should be shorted to IMTON.
41
IMTON
I
A
Speaker drive inverted (–) signal input pin. Can be used to adjust gain by
connecting resistance to TONE and IMTON.
42
VDDSP2
P
A
Speaker amp power supply pin. To be set within range 4.75 to 5.25 V.
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相關(guān)代理商/技術(shù)參數(shù) |
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