TMS320LC2401AVFS datasheet(20/134 Pages) TI

20 / 134 page

TMS320LF2407A,TMS320LF2406A,TMS320LF2403A,TMS320LF2402A

TMS320LC2406A,TMS320LC2404A,TMS320LC2403A,TMS320LC2402A

DSP CONTROLLERS

SPRS145K − JULY 2000 − REVISED AUGUST 2005

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251−1443

pin functions (continued)

Table 2. LF240xA and LC240xA Pin List and Package Options†‡ (Continued)

PIN NAME

LF2407A

(144-PGE)

2406A

(100-PZ)

LC2404A

(100-PZ)

2403A,

LC2402A

(64-PAG)

and

2402A

(64-PG)

DESCRIPTION

POWER SUPPLY (CONTINUED)

V #

Core ground Digital logic ground reference

VSS#

Core ground. Digital logic ground reference.

128

VSSO#

I/O buffer ground. Digital logic and buffer ground reference.

VSSO

I/O buffer ground. Digital logic and buffer ground reference.

125

140

† Bold, italicized pin names indicate pin function after reset.

‡ GPIO − General-purpose input/output pin. All GPIOs come up as input after reset.

§ It is highly recommended that VCCA be isolated from the digital supply voltage (and VSSA from digital ground) to maintain the specified accuracy

and improve the noise immunity of the ADC.

¶ Only when all of the following conditions are met: EMU1/OFF is low, TRST is low, and EMU0 is high

# No power supply pin (VDD, VDDO, VSS, or VSSO) should be left unconnected. All power supply pins must be connected appropriately for proper

device operation.

LEGEND:

↑ − Internal pullup

↓ − Internal pulldown

(Typical active pullup/pulldown value is

±16 µA.)

TMS320LC2401AVFS データシート(PDF) 20 Page - Texas Instruments

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