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DSP56855

16-bit Digital Signal Controllers

Freescale Semiconductor 

Introduction

Table 3-1. 56855 Signal and Package Information for the 100-pin LQFP (Continued)

Pin No. Signal Name

Type

Description

1

VDDIO

14

VDDIO

29

VDDIO

43

VDDIO

49

VDDIO

58

VDDIO

72

VDDIO

76

VDDIO

86

VDDIO

96

VDDIO

2

VSSIO

15

VSSIO

30

VSSIO

44

VSSIO

50

VSSIO

60

VSSIO

73

VSSIO

78

VSSIO

87

VSSIO

97

VSSIO

2

VSSIO

18

VDDA

19

VSSA

VDDIO

Power (VDDIO)—These pins provide power for all I/O and ESD structures of

the chip, and should all be attached to VDDIO (3.3V).

VSSIO

Ground (VSSIO)—These pins provide grounding for all I/O and ESD

structures of the chip and should all be attached to VSS.

VDDA

VSSA

Analog Power (VDDA)—These pins supply an analog power source.

Analog Ground (VSSA)—This pin supplies an analog ground.

56855 Technical Data, Rev. 6

Freescale Semiconductor

11

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