GX20
6 – 4
CONFIDENTIAL
IC103 VHI1FL (YMU759B): SOUND
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No.
Terminal name
Input/Output
Description of terminal
1
CLKI
Input
Clock input terminal (2 – 20 MHz)
2
EXT1
Output
External control terminal 1
3
/IRQ
Output
Interrupt output terminal
4
/RST
Input
Hardware reset input terminal
5
IFSEL
Input
CPU I/F select; L: serial I/F, H: parallel I/F
6
PLLC–
Built-in PLL capacitor terminal
7
VDD
–
Power supply
8
VSS
–
Ground
9
VREF
–
Analog reference voltage terminal
10
HPOUT-L/MONO
Output
Headphone output Lch
11*
HPOUT-R
Output
Headphone output Rch
12
EQ1
–
Equalizer terminal 1
13
EQ2
–
Equalizer terminal 2
14
EQ3
–
Equalizer terminal 3
15
SPVDD
–
Analog power supply for speaker amplifier (Typ + 3.6 V)
16
SPVSS
–
Analog ground for speaker amplifier
17
SPOUT1
Output
Speaker terminal 1
18
SPOUT2
Output
Speaker terminal 2
19
EXT2
Output
External control terminal 2
20
D7
Input/Output
Parallel I/F data bus 7
21
D6
Input/Output
Parallel I/F data bus 6
22
D5
Input/Output
Parallel I/F data bus 5
23
D4
Input/Output
Parallel I/F data bus 4 (Not connected when IFSEL terminal at L)
24
D3
Input/Output
Parallel I/F data bus 3 (Not connected when IFSEL terminal at L)
25
D2
Input/Output
Parallel I/F data bus 2 (Not connected when IFSEL terminal at L)
26
D1
Input/Output
Parallel I/F data bus 1 (Not connected when IFSEL terminal at L)
27
D0
Input/Output
Parallel I/F data bus 0 (Not connected when IFSEL terminal at L)
28
/WR
Input
Parallel I/F write pulse (Not connected when IFSEL terminal at L)
29
SDIN (/CS)
Input
IFSEL terminal = L serial I/F data input
IFSEL terminal = H parallel I/F chip select input
30
SYNC (A0)
Input
IFSEL terminal = L serial I/F data read signal
FSEL terminal = H parallel I/F address signal
31
SCLK (/RD)
Input
IFSEL terminal = L serial I/F bit clock input
IFSEL terminal = H parallel I/F read pulse
32*
SDOUT
Output
Serial I/F data output (external pull-up resistor required)
PLL
Timing Generator
ADPCM
Playback
(Fs = 4 or 8 kHz)
FM
Synthesizer
Number of
voices: 16
(Fs = 49.7 kHz)
TIMER
LED control
Vibrator control
ADPCM
Waveform
FIFO
ADPCM
Seq
FIFO
IFSEL
D0~D7
/RD
/WR
A0
/CS
SDOUT
SDIN
SYNC
SCLK
/RST
/IRQ
EXT1
EXT2
FM
FIFO
x1
Register
Mix
&
Select
16-bit
DAC
Rch
Lch
VREF
EQ
Vol
Select
Mono
HP
Vol R
HPOUT
-R
CLKI
PLLC
VSS
VDD
EQ1
EQ2
EQ3
SPOUT1
SPOUT2
SPVDD
SPVSS
HPOUT
-L/
MONO
11
HP
Vol L
VREF
VREF
Sequencer
Sequencer
1
Power
Down
Control
CPU I/F
SELECT
Vol
Vol
Vol
&
LPF
SP
Vol
16 15
9
12
13
14
17
18
10
6
8
7
4
31
30
29
32
29
30
28
31
20 ~ 27
5
3
2
19
+ -
