CM6620A Datasheet, PDF (12/17 Pages) C-Media Electronics – USB 2.0 High-Speed True HD Audio Processor

CM6620A
USB 2.0 High-Speed True HD Audio Processor
54
XPEE_A12
55
XPEE_A13
56
XPEE_A14
29
XGPIO_8
30
XGPIO_9
32
XGPIO_10
37
XGPIO_12
38
XGPIO_13
39
XGPIO_14
34
XMCU_INT
35
XSSDA
36
XSSCL
4
RREF
62
XRSTI
63
XTEST
DIO ^{Parallel EEPROM/FLASH address 12}
Programmable 3.3V bidirectional buffer, pull-down
DIO ^{Parallel EEPROM/FLASH address 13}
Programmable 3.3V bidirectional buffer, pull-down
DIO ^{Parallel EEPROM/FLASH address 14}
Programmable 3.3V bidirectional buffer, pull-down
GPIO and MCU Port 1 Interface
DIO ^{General purpose input/output 8 (default output).}
Programmable 3.3V/5V tolerance bidirectional buffer,
pull-down
DIO ^{General purpose input/output 9 (default output)}
Programmable 3.3V/5V tolerance bidirectional buffer,
pull-down
DIO ^{General purpose input/output 10 (default input)}
Programmable 3.3V/5V tolerance bidirectional buffer,
pull-down
DIO ^{General purpose input/output 12 (default input)}
Programmable 3.3V/5V tolerance bidirectional buffer,
pull-down
DIO ^{General purpose input/output 13 (default input)}
Programmable 3.3V/5V tolerance bidirectional buffer,
pull-down
DIO ^{General purpose input/output 14 (default input)}
Programmable 3.3V/5V tolerance bidirectional buffer,
pull-down
2-Wire Slave Serial Bus (I2C)
DO
Interrupt output for external MCU
Programmable 3.3V output buffer
DIO ^{2-wire slave serial data}
Programmable 3.3V/5V tolerant bidirectional buffer,
pull-down
DIO ^{2-wire slave serial clock}
Programmable 3.3V/5V tolerant bidirectional buffer,
pull-down
Miscellaneous
AI
Connect external reference resistor (12K1%)
DI
CM6620A Reset pin (high: reset)
DI
Test Mode Select Pin:
H: Test Mode
L: Normal Operation
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