DVD-R7783
74
1
2
3
4
1
2
3
4
C
D
F
A
B
E
No.
Pin Name
I/O
Pin Function
1
AVDD3
−
Analog 3.3V positive power supply pin (for crystal resonator)
2
XTAL
O
Crystal resonator connection pin
3
XTAL
I
Crystal resonator connection pin
4
AGND
−
Analog ground pin (for crystal resonator)
5
AVDD3
−
Analog 3.3V positive power supply pin (for audio DAC)
6
ROUT
O
Internal audio DAC Right channel output
7
AGND
−
Analog ground pin (for audio DAC)
8
REGC
−
Capacitor connection pin for SCF regulator
9
AGND
−
Analog ground pin (for audio DAC)
10
LOUT
O
Internal audio DAC Left channel output
11
AVDD3
−
Analog 3.3V positive power supply pin (for audio DAC)
12
DASP
I/O
Drive active, slave present signal (include pull-up resistance)
13
HCS1
I
Host interface chip select input
14
HCS0
I
Host interface chip select input
15
HDA2
I
Host interface chip address signal input
16
HDA0
I
Host interface chip address signal input
17
PDIAG
I
Diagnostic signal (open-drain) (include pull-up resistance)
18
HDA1
I
Host interface address signal input
19
HIOCS16
O
Interrupt signal output to host (3-state, open-drain)
20
HINTRQ
I
Host interface read input signal
During Ultra DMA burst, becomes the HDMARDY : HSTROBE signal
21
DVDD
−
Digital 1.5V positive power supply pin (for internal logic)
22
DGND
−
Digital ground pin (for internal logic)
23
HDMACK
I/O
DMA acknowlege pin
24
IORDY
O
I/O channel ready (open-drain)
During Ultra DMA burst, becomes the HDMARDY : HSTROBE signal, 3-state pin
25
DIOR
I/O
Host interface read input signal
During Ultra DMA burst, becomes the HDMARDY : HSTROBE signal
26
DIOW
I/O
Host interface write input signal
During Ultra DMA burst, becomes the STOP signal
27
HDMARQ
O
DMA request signal output (3-state)
28
PULLUP
−
Pull-up resistance connection pin. Connect to 5V or 3.3V.
29
DVDD3
−
Digital 3.3V positive power supply pin (for pin 8 - pin 54)
30
DGND
−
Digital ground pin (for pin 8 - pin 54)
31
HDD15
I/O
Host interface data bus (include pull-up resistance)
HDD8
32
HDD0
I/O
Host interface data bus (include pull-up resistance)
HDD6
33
HDD14
I/O
Host interface data bus (include pull-up resistance)
HDD9
34
HDD1
I/O
Host interface data bus (include pull-up resistance)
HDD5
35
HDD13
I/O
Host interface data bus (include pull-up resistance)
HDD10
36
HDD2
I/O
Host interface data bus (include pull-up resistance)
HDD4
37
HDD12
I/O
Host interface data bus (include pull-up resistance)
HDD11
38
HDD3
I/O
Host interface data bus (include pull-up resistance)
HDD3
Pin Function
