AC206-DS02-R datasheet(30/70 Pages) BOARDCOM

30 / 70 page

AC206

Preliminary Data Sheet

07/08/02

B roa dcom

Page 18 Pin Descriptions

Document

AC206-DS05-405-R

Table 14: Clock and Reset

Pin Name

Pin #

Type

Description

1 RESET*

1 47

1 I,U

Reset to initial and defaulted state.

1 CLK

1 48

1 I

25-MHz system clock reference input. This pin is connected to an external

25-MHz clock source. Multiple devices are synchronous to the same external

clock source.

Table 15: Power and Ground

Pin Name

Pin #

Type

Description

DVCC

115, 126, 10, 23, 39, 46

2.5V power for digital circuit, total of 9 pins.

DGND

114, 116, 117, 5, 15, 32,

45, 49

Ground for digital circuit, total 10 pins.

AVCC

108, 109, 110, 57, 58, 59

2.5V power for analog circuit, total 16 pins.

AGND

105, 62, 65, 66, 69, 74,

77, 78, 81, 86, 89, 90, 93,

98, 101, 102

Ground for analog circuit, total 16 pins

GAVDD

113

2.5V power supply for common analog circuit

GAGND

111, 56

Ground for common analog circuit

Table 16: No Connects

Pin Name

Pin #

Type

Description

N/C

17, 60, 61, 63, 64, 67, 68,

70, 71, 103, 104, 106, 107

N/C

No Connects

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