DLPA200

DLPS015A – APRIL 2010 – REVISED JUNE 2010

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TERMINAL FUNCTIONS (continued)

TERMINAL

I/O

(INPUT

DESCRIPTION

NAME

NO.

DEFAULT)

SCPDI

57

Input (pull down)

Serial bus data input. Clocked in on the falling edge of SCPCK.

SCPCK

56

Input (pull down)

Serial bus clock. Provided by chipset Controller.

Serial bus data output (open drain). Clocked out on the rising edge of SCPCK.

SCPDO

42

Output

A 1k

Interrupt request output to the chipset Controller. Active low.

IRQ

43

Output

A 1 k

DEV_ID1

45

Input (pull up)

Serial bus device address:

DEV_ID0

44

Input (pull up)

00 = all; 01 = device 1; 10 = device 2; 11 = device 3.

VBIAS

9

Power

One of three specialized voltages which are generated by the DLPA200.

VBIAS_LHI

10

Power

Current limiter output for VBIAS supply. (also the VBIAS switching inductor input)

VBIAS_SWL

8

Power

Connection point for VBIAS supply switching inductor.

21, 30, 31,

The internally-used VBIAS supply rail. Internally isolated from VBIAS.

VBIAS_RAIL

40, 61, 70,

Power (substrate)

71, 80

One of three specialized voltages which are generated by the DLPA200. The

VRESET

13

Power

package thermal pad is tied to this voltage level.

VRESET_SWL

12

Power

Connection point for VRESET supply switching inductor..

25, 26, 35,36,

65, 66, 75,

Power

76

VOFFSET

49

Power

One of three specialized voltages which are generated by the DLPA200.

23, 28, 33,

The internally-used VOFFSET supply rail. Internally isolated from VOFFSET.

VOFFSET_RAIL

38, 63, 68,

Power

73, 78

1, 7, 14, 20,

Common ground

GND

41, 46, 53,

Power

55, 60

V5REG

47

Power

The 5-volt logic supply output.

P12V

11, 48, 50

Power

The main power input to the DLPA200.

NC

51, 52, 54

No Connect

No connect

(1)

Exposed thermal pad is internally connected to VRESET_RAIL.

4

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