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YMU762 Datasheet, PDF (3/14 Pages) List of Unclassifed Manufacturers – Mobile Audio 3
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YMU762
Functions of pins
No. Pin name I/O Power supply
1
CLKI
Ish
IOVDD
2
LED
O
IOVDD
3
/IRQ
O
IOVDD
4
/RST
Ish
IOVDD
5
N.C
─
─
6
PLLC
A
VDD
7
VDD
─
8
VSS
─
9
VREF
A
10
HPOUT-L /
MONO
A
11 HPOUT-R A
12
EQ1
A
13
EQ2
A
14
EQ3
A
15 SPVDD
─
16 SPVSS
─
17 SPOUT1 A
18 SPOUT2 A
19
MTR
O
20
D7
I/O
21
D6
I/O
22
D5
I/O
23
D4
I/O
24
D3
I/O
25
D2
I/O
26
D1
I/O
27
D0
I/O
28
/WR
I
29
/CS
I
30
A0
I
31
/RD
I
─
─
VDD
VDD
VDD
VDD
VDD
VDD
─
─
SPVDD
SPVDD
IOVDD
IOVDD
IOVDD
IOVDD
IOVDD
IOVDD
IOVDD
IOVDD
IOVDD
IOVDD
IOVDD
IOVDD
IOVDD
32 IOVDD
─
─
A : Analog pin Ish : Schmitt input
Function
Clock input ( 2 MHz to 20 MHz)
External LED control (Drive Capability = 4 mA)
Interrupt output (Drive Capability = 1 mA)
Hardware reset input
No Connection (during regular operations)
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.
Power supply (Typ +3.0V)
Connect 0.1 µF and 4.7 µF capacitors between this pin and VSS.
Ground
Analog reference voltage
Connect 0.1 µF capacitor between this pin and VSS.
Headphone output Lch (Can be used as MONO output)
Headphone output Rch
Equalizer pin 1
Equalizer pin 2
Equalizer pin 3
Speaker amplifier analog power supply (Typ +3.6V)
Connect 0.1 µF and 4.7 µF capacitors between this pin and SPVSS.
Speaker amplifier analog ground
Speaker connection pin 1
Speaker connection pin 2
External motor control pin (Drive Capability = 4 mA)
CPU I/F data bus 7 (Drive Capability = 1 mA)
CPU I/F data bus 6 (Drive Capability = 1 mA)
CPU I/F data bus 5 (Drive Capability = 1 mA)
CPU I/F data bus 4 (Drive Capability = 1 mA)
CPU I/F data bus 3 (Drive Capability = 1 mA)
CPU I/F data bus 2 (Drive Capability = 1 mA)
CPU I/F data bus 1 (Drive Capability = 1 mA)
CPU I/F data bus 0 (Drive Capability = 1 mA)
CPU I/F write enable
CPU I/F chip select
CPU I/F address signal
CPU I/F read enable
Pin power supply (Typ +3.0V)
Be sure to apply potential equivalent to 7th pin (directly connect on the
board).
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