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参数资料
| 型号： | YMU762 |
| 元件分类： | 音频合成 |
| 英文描述： | TONE/MUSIC SYNTHESIZER, PQCC32 |
| 封装： | PLASTIC, QFN-32 |
| 文件页数： | 8/14页 |
| 文件大小： | 165K |
| 代理商： | YMU762 |
PRELIMINARY
YMU762
3
Terminal functions
No.
Pin name
I/O
Function
1
CLKI
Ish
Clock input ( 2 to 20 MHz)
2
LED
O
External LED control (Drive Capability = 4 mA)
3
/IRQ
O
Interrupt output (Drive Capability = 1 mA)
4
/RST
Ish
Hardware reset input
5
N.C
---
No Connection (during regular operations)
6
PLLC
A
Connection of capacitor for built-in PLL
Connect a series connection of 1000 pF capacitor and 3.3 kΩ resistor between
this pin and VSS(*).
(*)Directly connect VSS used here and VSS of 8th pin.
7
VDD
---
Power supply (Typ +3.0V)
Connect 0.1 F and 4.7 F capacitors between this pin and VSS.
8
VSS
---
Ground
9
VREF
A
Analog reference voltage: Connect 0.1 F capacitor between this pin and VSS.
10
HPOUT-L / MONO
A
Headphone output Lch ( Can be used as MONO output )
11
HPOUT-R
A
Headphone output Rch
12
EQ1
A
Equalizer pin 1
13
EQ2
A
Equalizer pin 2
14
EQ3
A
Equalizer pin 3
15
SPVDD
---
Speaker amplifier analog power supply (Typ +3.6V)
Connect 0.1 F and 4.7 F capacitors between this pin and SPVSS.
16
SPVSS
---
Speaker amplifier analog ground
17
SPOUT1
A
Speaker connection pin 1
18
SPOUT2
A
Speaker connection pin 2
19
MTR
O
External motor control pin (Drive Capability = 4 mA)
20
D7
I/O
CPUI/F data bus 7
(Drive Capability = 1 mA)
21
D6
I/O
CPUI/F data bus 6
(Drive Capability = 1 mA)
22
D5
I/O
CPUI/F data bus 5
(Drive Capability = 1 mA)
23
D4
I/O
CPUI/F data bus 4
(Drive Capability = 1 mA)
24
D3
I/O
CPUI/F data bus 3
(Drive Capability = 1 mA)
25
D2
I/O
CPUI/F data bus 2
(Drive Capability = 1 mA)
26
D1
I/O
CPUI/F data bus 1
(Drive Capability = 1 mA)
27
D0
I/O
CPUI/F data bus 0
(Drive Capability = 1 mA)
28
/WR
I
CPUI/F write enable
29
/CS
I
CPUI/F chip select
30
A0
I
CPUI/F address signal
31
/RD
I
CPUI/F read enable
32
IOVDD
---
Pin power supply (Typ +3.0V)
Be sure to apply potential equivalent to 7th pin (directly connect on the board).
A : Analog pin
Ish : Schmidt input
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