CP3SP33SMSSLASHNOPB datasheet(14/407 Pages) TI1

14 / 407 page

CP3SP33

SNOSCW5 – MAY 2013

www.ti.com

Table 4-1. CP3SP33 Signal Descriptions

ALTERNATE

NAME

PINS

I/O

PRIMARY FUNCTION

I/O

ALTERNATE FUNCTION

NAME

CLKIN

Input

12 MHz Clock Input

RFCK

Input

RF Interface Clock

X1CKI

Input

12 MHz Oscillator Input

None

X1CKO

Output

12 MHz Oscillator Output

None

X2CKI

Input

32 kHz Oscillator Input

None

X2CKO

Output

32 kHz Oscillator Output

None

RESET

Input

Chip general reset

None

Input

None

Special mode select input with internal

ENV0

Input

TSTCLK0

Output

Internal Clock Output

pullup during reset

Special mode select input with internal

ENV1

Input

TSTCLK1

Output

Internal Clock Output

pullup during reset

VCC

Input

Core Logic, 1.8V Power Supply

None

GND

Input

Core Ground

None

IOVCC

12/6

Input

I/O 3.3V Power Supply

None

IOGND

12/6

Input

I/O Ground

None

PLLVCC

Input

PLL 1.8V Power Supply

None

PLLGND

Input

PLL Ground

None

ADVCC

Input

ADC 1.8V Power Supply

None

ADGND

Input

ADC Ground

None

TCDACVC

Input

Codec 3.3V Power Supply

None

TCDACGN

Input

Codec 3.3V Ground

None

TCADCVC

Input

Codec 1.8V Power Supply

None

TCADCGN

Input

Codec 1.8V Ground

None

RFVCC

Input

RF Interface Power Supply

None

RFGND

Input

RF Interface Ground

None

UVCC

Input

USB 3.3V Transceiver Supply

None

UGND

Input

USB 3.3V Transceiver Ground

None

CPU JTAG Test Mode Select (with internal

TMS

Input

None

weak pullup)

CPU JTAG Test Clock Input (with internal

TCK

Input

None

weak pullup)

CPU JTAG Test Data Input (with internal

TDI

Input

None

weak pullup)

TDO

Output

CPU JTAG Test Data Output

None

RDY

Output

NEXUS Ready Output

None

MCKO

1/0

Output

NEXUS Trace Clock Output

None

MSEO

1/0

Output

NEXUS Trace End of Message Output

None

DSP JTAG Test Mode Select (with internal

DSPTMS

1/0

Input

MDO0

Output

NEXUS Trace Data Output

weak pullup)

DSP JTAG Test Data Input (with internal

DSPTDI

1/0

Input

MDO1

Output

NEXUS Trace Data Output

weak pullup)

DSPTDO

1/0

Output

DSP JTAG Test Data Output

MDO2

Output

NEXUS Trace Data Output

DSP JTAG Test Clock Input (with internal

DSPTCK

1/0

Input

MDO3

Output

NEXUS Trace Data Output

weak pullup)

RFDATA

I/O

RF Interface Data

None

RFCE

Output

RF Interface Chip Enable

None

VBUS

Input

USB VSENSE (5V tol.)

None

Signal Descriptions

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