CP3SP33SMSSLASHNOPB datasheet(15/407 Pages) TI1

15 / 407 page

CP3SP33

www.ti.com

SNOSCW5 – MAY 2013

Table 4-1. CP3SP33 Signal Descriptions (continued)

ALTERNATE

NAME

PINS

I/O

PRIMARY FUNCTION

I/O

ALTERNATE FUNCTION

NAME

D+

I/O

USB D+ Upstream Port

None

D–

I/O

USB D– Upstream Port

None

ADC0

Input

ADC Input Channel 0

None

ADC1

Input

ADC Input Channel 1

None

ADC2

1/0

Input

ADC Input Channel 2

None

ADC3

1/0

Input

ADC Input Channel 3

None

ADC4

1/0

Input

ADC Input Channel 4

MUXOUT0

Output

Analog Multiplexer Output 0

ADC5

1/0

Input

ADC Input Channel 5

MUXOUT1

Output

Analog Multiplexer Output 1

ADC6

1/0

Input

ADC Input Channel 6

None

ADC7

1/0

Input

ADC Input Channel 7

ADCIN

Input

ADC Input (in MUX mode)

ADC8

1/0

Input

ADC Input Channel 8

None

ADC9

1/0

Input

ADC Input Channel 9

None

VREF

1/0

Input

ADC Voltage Reference

None

Codec ADC1 External Filter Capacitor Pin

TCVBUF1

Input

None

(1.5V)

Codec ADC2 External Filter Capacitor Pin

TCVBUF2

Input

None

(1.5V)

Codec ADC1 External Filter Capacitor Pin

TCVCM1

Input

None

(0.9V)

Codec ADC2 External Filter Capacitor Pin

TCVCM2

Input

None

(0.9V)

Codec ADC1/ADC2 1.5V Reference

TCVRFP

Output

(buffered version to provide microphone

None

bias)

Codec ADC1/ADC2 Reference Ground

TCVRFN

Input

None

(connect to 0V)

TCMIC1P

Input

Codec Microphone 1 Input (+)

None

TCMIC1N

Input

Codec Microphone 1 Input (–)

None

TCMIC2P

Input

Codec Microphone 2 Input (+)

None

TCMIC2N

Input

Codec Microphone 2 Input (–)

None

TCRP

Output

Codec Right Channel Output (+)

None

TCRN

Output

Codec Right Channel Output (–)

None

TCLP

Output

Codec Left Channel Output (+)

None

TCLN

Output

Codec Left Channel Output (–)

None

SCL1

I/O

ACCESS.bus 1 Clock

None

SDA1

I/O

ACCESS.bus 1 Serial Data

None

RXD0

Input

UART 0 Receive Data Input

PE0

I/O

Generic I/O

TIO0_1

I/O

Versatile Timer Unit 0 Input 1

PE1

I/O

Generic I/O

TXD0

Output

UART 0 Transmit Data Output

RTS0

Output

UART 0 Ready-To-Send Output

PE2

I/O

Generic I/O

TIO0_3

I/O

Versatile Timer Unit 0 Input 3

PE3

I/O

Generic I/O

CTS0

Input

UART 0 Clear-To-Send Input

CKX0

I/O

UART 0 Clock Input

PE4

1/0

I/O

Generic I/O

TIO0_2

I/O

Versatile Timer Unit 0 Input 2

TA0

I/O

Multi-Function Timer 0 Port A

PE5

I/O

Generic I/O

NMI

Input

Non-Maskable Interrupt

PE6

I/O

Generic I/O

CAN1RX

Input

CAN 1 Receive Input

PE7

I/O

Generic I/O

CAN1TX

Output

CAN 1 Transmit Output

PE8

I/O

Generic I/O

MSK0

I/O

Microwire/SPI 0 Shift Clock

Signal Descriptions

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