AK7719 Datasheet, PDF (4/16 Pages) Asahi Kasei Microsystems – Low Power DSP for Voice and Audio Processing

[AK7719]
PIN/FUNCTION
NO Pin Name I/O
Function
A4 VDD
A2 TVDD
A3 VSS
- Core Power Supply Pin 1.2V
- I/O power Supply Pin 1.6∼3.6V
- Ground Pin 0V
A5 PDN
P Power-Down Mode Pin
I “H”: Power-up, “L”: Power-down, reset the control register.
The AK7719 must be reset once upon power-up.
D3 ^STO
RDY
Status Output Pin (Active High)
O
Data Write Ready output pin for control I/F
(STRDY bit = “0”)
(STRDY bit = “1”)
E5 SYNC1
I ^{Frame Sync 1 pin}
D5 BCLK1
B5 SDIN1
I
Serial Data Clock 1 Pin
AK7719 goes into standby state when BCLK1 is not present.
I Serial Data Input 1 Pin
C5 SDOUT1
O ^{Serial Data Output 1 Pin}
E4 SYNC2
O Frame Sync 1 pin
E3 BCLK2
O Serial Data Clock 2 Pin
E2 SDIN2
E1 SDOUT2
I Serial Data Input 2 Pin
O Serial Data Output 2 Pin
B3 ^SYNC3
JX1
B4
BCLK3
JX0
C4 SDIN3
D4 ^SDOUT3
GP0
I ^{Frame Sync 3 pin}
Conditional Jump 1 Pin
I
Serial Data Clock 3 Pin
Conditional Jump 0 Pin
I Serial Data Input 3 Pin
O ^{Serial Data Output 3 Pin}
DSP Programmable output 0 Pin
(SELPT bit = “1”)
(SELPT bit = “0”)
(SELPT bit = “1”)
(SELPT bit = “0”)
(SELDO3 bit = “0”)
(SELDO3 bit = “1”)
C2 SDIN4
D2 ^SDOUT4
GP1
B2 I2C
B1 ^SCLK
CAD0
C1 ^CSN
SCL
SO
D1
SDA
I Serial Data Input 4 Pin
O ^{Serial Data Output 4 Pin}
DSP Programmable output 1 Pin
I Control Interface Mode Select Pin
(SELDO4 bit = “0”)
(SELDO4 bit = “1”)
“H”: I²C, “L”: SPI
Serial Clock Input pin
I
Slave Address 0 Input pin
Chip select pin
I
Control Interface clock input pin
O Serial data output pin
SPI (I2C pin = “L”)
I2C (I2C pin = “H”)
SPI (I2C pin = “L”)
I2C (I2C pin = “H”)
SPI (I2C pin = “L”)
I/O Control Interface input/output acknowledge pin
I2C (I2C pin = “H”)
A1 ^SI
CAD1
Serial data input pin
I
Slave Address 1 Input pin
SPI (I2C pin = “L”)
I2C(I2C pin = “H”)
C3 TEST
I Test pin (pull-down resistor) must be connected to VSS.
Note 1. All input pins must not be allowed to float.
Note 2. I2C and CAD0/1 pins must be fixed to “L” (VSS) or “H” (TVDD).
MS1351-E-00-PB
4
2012/01