DSP56857 datasheet(72/662 Pages) FREESCALE

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Introduction

5685X Digital Signal Controller User Manual, Rev. 4

2-4

Freescale Semiconductor

Table 2-1. Functional Group Pin Allocations

Functional Group

Number of Pins

Detailed

Description

853

854

855

857

858

Power (VDD, VDDA, or VDD Core)

1818

1521

Table 2-2

Ground (VSS or VSSA)

1717

1519

Table 2-3

External Chip Select Signals*

—

Table 2-4

External Bus Control Signals

4444

Table 2-5

Host Interface (HI)*

—

Table 2-6

Quad Timer Module (TMR) Port*

4414

Table 2-7

Interrupt and Program Control

7777

Table 2-8

Serial Communication Interface (SCI0) Ports*

2222

Table 2-9

Serial Communication Interface (SCI1) Ports*

2222

Table 2-10

Enhanced Synchronous Serial Interface (ESSI0) Port*

6666

Table 2-11

Enhanced Synchronous Serial Interface (ESSI1) Port*

—

Table 2-12

Serial Peripheral Interface (SPI) Port*

—

Table 2-13

Clock and Phase Lock Loop (PLL)

3333

Table 2-14

JTAG/EOnCE

6666

Table 2-15

*Alternately, General-Purpose I/O pins

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