ATSAM9703 Datasheet, PDF (3/16 Pages) ATMEL Corporation – Sound Synthesis

ATSAM9703
Pin Description
Pins by Function
Table 1. Power Supply Group
Pin Name
Pin Number
GND
2, 6, 8, 16, 20, 22, 26,
28, 38, 46, 49, 53, 59,
71, 75, 82, 83, 94
VCC
1, 7, 15, 21, 27, 37,
48, 52, 58, 70, 74, 81,
95
VC3
9, 19, 24, 77
Type
PWR
Function
Digital Ground
All pins should be connected to a ground plane.
PWR
PWR
Power Supply, 3V to 5.5V
All pins should be connected to a VCC plane.
Core Power Supply, 3.3V ± 10 %.
All pins should be connected to +3.3V. If 3.3V is not available, then it can be
derived from 5V by two 1N41418 diodes in series.
Table 2. Serial MIDI
Pin Name
Pin Number
MIDI IN
17
Type
IN
Function
Serial TTL MIDI IN. All controls are received by this pin.
Table 3. External ROM/RAM Group
Pin Name
Pin Number
WA[24:0]
47, 50, 51, 54 - 57,
60 - 69, 72, 73, 76,
78 - 80, 84, 85
WD[15:0]
86 - 93, 96 -100, 3 - 5
WCS0
34
WCS1
35
WOE
36
WWE
33
RBS
25
Type
OUT
I/O
OUT
OUT
OUT
OUT
OUT
Function
External ROM/RAM address for up to 32M words (64 MB) of memory. ROM
memory holds firmware and PCM data. RAM memory holds working
variables and effect delay lines.
External ROM/RAM data. Holds read data from ROM or RAM when WOE is
low, write data to RAM when WWE is low.
External ROM chip select, active low.
External RAM chip select, active low.
External ROM/RAM Output enable, active low.
External RAM write, active low
RAM byte select. Used as lower address from RAM when 8-bit wide RAM is
connected.
Table 4. Digital Audio Group
Pin Name
Pin Number
CLBD
23
WSBD
32
DABD0
30
DABD1
31
DAAD
29
Type
OUT
OUT
OUT
OUT
IN
Function
Digital audio bit clock
Digital audio left/right select
Digital audio main stereo Output
Auxiliary digital stereo Output. Reserved for surround effects.
Digital audio two channels input. Up to eight channels of audio can be input
to the chip by using pins P1 to P3 alternate function.
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1710C–DRMSD–12/02