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AK7758VN Folha de dados(PDF) 8 Page - Asahi Kasei Microsystems |
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AK7758VN Folha de dados(HTML) 8 Page - Asahi Kasei Microsystems |
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8 / 32 page  [AK7758] 016003563-E-02-PB 2016/09 - 8 - 5.2. Pin Function No. Name I/O Function 1 LIN I Line Input Pin 2 I2CSEL I I 2C-BUS Select Pin ▪ 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) 5 SDOUT1 O Serial Data Output1 Pin (SDOUT1E bit = “1”) 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”)) 6 SDIN1 I Serial Data Input1 Pin (SDIN1SEL bit = “0”) 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) 9 SDOUT3 O Serial Data Output3 Pin (SDOUT1E bit = “1”) 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”)) 10 XTO O Crystal Oscillator Output Pin ▪ 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. 11 XTI I Crystal Oscillator Input Pin ▪ 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 14 DVDD - Power Supply Pin for Digital Core: 1.14~1.3V (typ. 1.2V) (LDOE pin = “L”) AVDRV O LDO Output Pin (LDOE pin = “H”) Connect a 2.2uF (±30%) capacitor between this pin and DVSS. This pin must not be connected to an external circuit. 15 LDOE I LDO Select Pin 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)”. 16 PDN I Power-down N Pin ▪ The AK7758 can be powered-down by this pin. ▪ Set this pin to “L” upon power-up the AK7758. 17 SDIN2 I Serial Data Input2 Pin (SDIN2SEL bit = “0”) JX1 I External Conditional Jump1 Pin (SDIN2SEL bit = “1” & (D1JX1E bit = “1” or D2JX1E bit = “1”)) 18 SDOUT2 O Serial Data Output2 Pin (SDOUT2E bit = “1”) EEST 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) |
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