DXZ945MP
DXZ946MP
- 11 -
051-6705-00
AK7720A
Audio DSP with 2ch ADC and 6ch DAC
1.Terminal Description
pin
1: LFLT
: IN : The capacitor and the resistor connection
terminal for PLL.
pin
2: A VSS
: - : Analog ground.
pin
3: A VDD
: - : Positive supply voltage for the Analog sec-
tion.
pin
4: INIT RESET
: IN : The initial reset input.
pin
5: CODEC RESET : IN : The CODEC reset input.
pin
6: DSP RESET
: IN : DSP reset input.
pin
7: S MUTE
: IN : The soft muting command input.
pin
8: B VSS
: - : Ground for the bus interface section.
pin
9: PLL
: IN : Open or Connect to DVSS usually.
pin 10: CKS
: IN : The clock pulse selection.
pin 11: S Data in A
: IN : DSP serial data input. Open or connect to
DVSS usually.
pin 12: S Data in 1
: IN : DSP serial data input.
pin 13: S Data in 2
: IN : DSP serial data input.
pin 14: S Data out 1
: O : DSP serial data output.
pin 15: S Data out 2
: O : DSP serial data output.
pin 16: S Data out 3/AD: O : DSP/ADC serial data output.
pin 17: S D OUT
: O : The serial data output.
pin 18: LR CK I/O
:I/O: SMODE(pin20) = L : 1fs clock input.
SMODE(pin20) = H : 1fs clock output.
pin 19: BIT CLK
:I/O: SMODE(pin20) = L : 64fs clock input.
SMODE(pin20) = H : 64fs clock output.
pin 20: S MODE
: IN : Slave master selection.
pin 21: Clock Out
: O : Clock Out.
pin 22: D VSS
: - : Digital ground.
pin 23: D VDD
: - : Positive supply voltage for the digital sec-
tion.
pin 24: XT I
: IN : Oscillation terminal.
pin 25: XT O
: O : Oscillation terminal.
pin 26: JX
: IN : External jumping signal input.
pin 27: RQ
: IN : The request signal input from the master
side.
pin 28: S CLK
: IN : Sift clock input.
pin 29: SI
: IN : Serial data input.
pin 30: SO
: O : Serial data output.
pin 31: Write Ready
: O : Write ready flag output.
pin 32: Data Ready
: O : Data output ready flag output.
pin 33: CAS
: O : The column address strobe output to
DRAM.
pin 34: RAS
: O : The row address strobe output to DRAM.
pin 35: WRITE ENBL
: O : The write enable signal output.
pin 36: D VDD
: - : Positive supply voltage for the digital sec-
tion.
pin 37: D VSS
: - : Digital ground.
pin 38: A 0
: O : Address signal output.
pin 39: A 1
: O : Address signal output.
pin 40: A 2
: O : Address signal output.
pin 41: A 3
: O : Address signal output.
pin 42: A 4
: O : Address signal output.
pin 43: A 5
: O : Address signal output.
pin 44: A 6
: O : Address signal output.
pin 45: A 7
: O : Address signal output.
pin 46: A 8
: O : Address signal output.
pin 47: A 9
: O : Address signal output.
pin 48: A 10
: O : Address output to the external DRAM.
pin 49: A 11
: O : Address output to the external DRAM.
pin 50: A 12
: O : Address signal output.
pin 51: A 13
: O : Address signal output.
pin 52: A 14
: O : Address signal output.
pin 53: A 15
: O : Address signal output.
pin 54: A 16
: O : Address signal output.
pin 55: D VDD
: - : Positive supply voltage for the digital sec-
tion.
pin 56: D VSS
: - : Digital ground.
pin 57: OUT ENABLE
: O : The output enable command output.
pin 58: I/O 0
:I/O: Data input/output.
pin 59: I/O 1
:I/O: Data input/output.
pin 60: I/O 2
:I/O: Data input/output.
pin 61: I/O 3
:I/O: Data input/output.
pin 62: I/O 4
:I/O: Data input/output.
pin 63: I/O 5
:I/O: Data input/output.
pin 64: I/O 6
:I/O: Data input/output.
pin 65: I/O 7
:I/O: Data input/output.
pin 66: D VDD
: - : Positive supply voltage for the digital sec-
tion.
pin 67: D VSS
: - : Digital ground.
pin 68: TEST
: - : For the Test.
pin 69: TEST
: - : For the Test.
pin 70: B VSS
: - : Ground.
pin 71: A OUT 3 R-
: O : Inverted Right channel audio signal output
of DAC-3.
pin 72: A OUT 3 R+
: O : Non-inverted Right channel audio signal
output of DAC-3.
pin 73: NU
: - : Not in use.
pin 74: A OUT 3 L-
: O : Inverted Left channel audio signal output of
DAC-3.
pin 75: A OUT 3 L+
: O : Non-inverted Left channel audio signal out-
put of DAC-3.
pin 76: A OUT 2 R-
: O : Inverted Right channel audio signal output
of DAC-2.
pin 77: A OUT 2 R+
: O : Non-inverted Right channel audio signal
output of DAC-2.
pin 78: NU
: - : Not in use.
pin 79: A OUT 2 L-
: O : Inverted Left channel audio signal output of
DAC-2.
pin 80: A OUT 2 L+
: O : Non-inverted Left channel audio signal out-
put of DAC-2.
pin 81: NU
: - : Not in use.
pin 82: A OUT 1 R-
: O : Inverted Right channel audio signal output
of DAC-1.
pin 83: A OUT 1 R+
: O : Non-inverted Right channel audio signal
output of DAC-1.
pin 84: NU
: - : Not in use.
pin 85: A OUT 1 L-
: O : Inverted Left channel audio signal output of
DAC-1.
pin 86: A OUT 1 L+
: O : Non-inverted Left channel audio signal out-
put of DAC-1.
pin 87: Vr DAC Low
: IN : The reference voltage input.
pin 88: A VSS
: - : Analog ground.
pin 89: A VSS
: - : Analog ground.
pin 90: A VDD
: - : Positive supply voltage for the Analog sec-
tion.
pin 91: Vr DAC High
: IN : The reference voltage input.
pin 92: NU
: - : Not in use.
pin 93: Vr ADC Low
: IN : The reference voltage input.
pin 94: A VSS
: - : Analog ground.
pin 95: A VDD
: - : Positive supply voltage for the Analog sec-
tion.
pin 96: Vr ADC High
: IN : The reference voltage input.
pin 97: A IN R-
: IN : Inverted Right channel audio signal input.
pin 98: A IN R+
: IN : Non-inverted Right channel audio signal in-
put.
pin 99: A IN L-
: IN : Inverted Left channel audio signal input.
pin100: A IN L+
: IN : Non-inverted Left channel audio signal in-
put.