DSP56857 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

DSP56857

16-bit Digital Signal Controllers

Freescale Semiconductor 

Logic

Power

I/O

Power

Analog

Power1

Chip

Select

VDD

VSS

VDDIO

VSSIO

VDDA

VSSA

CS0 - CS3 (GPIOA0 - A3)

1

8

1

5

1

1

12

12

1

1

1

2

1

1

1

56857 1

1

1

1

1

4

1

1

RXDO (GPIOE0)

TXDO (GPIOE1)

RXD1 (GPIOE2)

TXD1 (GPIOE3)

STD0 (GPIOC0)

SRD0 (GPIOC1)

SCK0 (GPIOC2)

SC00 (GPIOC3)

SC01 (GPIOC4)

SC02 (GPIOC5)

STD1 (GPIOD0)

SRD1 (GPIOD1)

SCK1 (GPIOD2)

SC10 (GPIOD3)

SC11 (GPIOD4)

SC12 (GPIOD5)

Host

Interface

Timer

Module

Interrupt /

Program

Control

HD0 - HD7 (GPIOB0 - B7)

8

HA0 - HA2 (GPIOB8 - B10)

3

HRWB (HRD) (GPIOB11)

1

HDS (HWR) (GPIOB12)

1

HCS (GPIOB13)

1

HREQ (HTRQ) (GPIOB14)

1

HACK (HRRQ) (GPIOB15)

1

TIO0 - TIO3 (GPIOG0 - G3)

4

IRQA

1

IRQB

1

MODE A, MODE B, MODE C

(GPIOH0 - H2)

3

RESET

1

RSTO

1

MISO (GPIOF0)

1

1

MOSI (GPIOF1)

SCK (GPIOF2)

1

SS (GPIOF3)

1

XTAL

1

1

EXTAL

1

CLKO

1

TCK

1

TDI

TDO

1

1

TMS

1

TRST

DE

1

Figure 2-1 56857 Signals Identified by Functional Group2

1. Specifically for PLL, OSC, and POR.

2. Alternate pin functions are shown in parentheses.

SCI 0

SCI 2

ESSI 0

ESSI 1

SPI

PLL /

Clock

JTAG /

Enhanced

OnCE

56857 Technical Data, Rev. 6

8

Freescale Semiconductor

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