AK7758VN Datasheet, PDF (8/32 Pages) Asahi Kasei Microsystems – DSP with Stereo CODEC + Mic/Lineout Amp

[AK7758]
5.2. Pin Function
No. Name I/O Function
1 LIN
I Line Input Pin
I²C-BUS Select Pin
2 I2CSEL
I
▪ I2CSEL pin = “L”: SPI Interface
▪ I2CSEL pin = “H”: I²C-bus Interface
The I2CSEL pin must be fixed to “L” (DVSS) or “H” (TVDD1).
3 BICK
I/O Serial Bit Clock Output Pin (Internal pull-down)
4 LRCK I/O LR Channel Select Pin (Internal pull-down)
SDOUT1 O Serial Data Output1 Pin (SDOUT1E bit = “1”)
5 ^MAT0
I
EEPROM Download Mat Select Address0 (Internal pull-down)
(I2CSEL pin = EXTEEP pin = MATSEL pin = “H”)
JX2
I
External Conditional Jump2 Pin (Internal pull-down)
(SDOUT1E bit = “0” & (D1JX2E bit = “1” or D2JX2E bit = “1”))
SDIN1
I Serial Data Input1 Pin (SDIN1SEL bit = “0”)
6 _JX0
I
External Conditional Jump0 Pin
(SDIN1SEL bit = “1” & (D1JX0E bit = “1” or D2JX0E bit = “1”))
7 DVSS
- Ground Pin 0V
8 TVDD1 - Digital IO Power Supply1 Pin: 1.7~3.6V (typ.3.3V)
SDOUT3 O Serial Data Output3 Pin (SDOUT1E bit = “1”)
9 ^MAT1
I
EEPROM Download Mat Select Address1 (Internal pull-down)
(I2CSEL pin = EXTEEP pin = MATSEL pin = “H”)
JX3
I
External Conditional Jump3 Pin (Internal pull-down)
(SDOUT3E bit = “0” & (D1JX3E bit = “1” or D2JX3E bit = “1”))
Crystal Oscillator Output Pin
10 XTO
O
▪ When a crystal oscillator is used, connect it between XTI and XTO.
▪ When a crystal oscillator is not used, connect an external clock or leave this
pin as open.
Crystal Oscillator Input Pin
11 XTI
I
▪ When a crystal oscillator is used, connect it between XTI and XTO.
▪ When a crystal oscillator is not used, connect this pin to the external clock or
open.
12 LVDD
- Power Supply Pin for Digital Core: 3.0~3.6V (typ.3.3V)
13 DVSS
- Digital Ground Pin 0V
DVDD
- Power Supply Pin for Digital Core: 1.14~1.3V (typ. 1.2V) (LDOE pin = “L”)
14 _AVDRV
LDO Output Pin (LDOE pin = “H”)
O Connect a 2.2uF (±30%) capacitor between this pin and DVSS. This pin must
not be connected to an external circuit.
LDO Select Pin
15 LDOE
I
LDOE pin = “L”: 14 pin External 1.2V Power Supply
LDOE pin = “H”: 14 pin LDO Output (LDO Drive)
The LDOE pin must be fixed to “L (DVSS)” or “H (LVDD)”.
Power-down N Pin
16 PDN
I ▪ The AK7758 can be powered-down by this pin.
▪ Set this pin to “L” upon power-up the AK7758.
SDIN2
I Serial Data Input2 Pin (SDIN2SEL bit = “0”)
17 _JX1
I
External Conditional Jump1 Pin
(SDIN2SEL bit = “1” & (D1JX1E bit = “1” or D2JX1E bit = “1”))
18
SDOUT2
EEST
O Serial Data Output2 Pin (SDOUT2E bit = “1”)
O EEPROM Interface Status (for downloading data from EEPROM)
19 DVSS
- Digital Ground Pin 0V
20 TVDD2 - Digital IO Power Supply2 Pin: 1.7~3.6V (typ. 3.3V)
016003563-E-02-PB
-8-
2016/09