MOD5272 datasheet(4/7 Pages) ETC2

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Updated: July 17, 2012 | Page 4 of 7

MOD5272

Pinout and Signal Description

The module has two dual in-line 50 pin headers which enable you to connect to one of our standard NetBurner

Carrier Boards, or a board you create on your own. Table 1-2 provides descriptions of pin function of the module

header.

Table 1:

Pinout and Signal Descriptions for J1 Connector (1)

J1 Connector

CPU

Function 1

General Purpose I/O

Description

Max

Voltage

GND

Ground

GND

Ground

VCC3V

Input Power 3.3 VDC

3.3VDC

P14

R/W

Read / NOT Write1

3.3VDC

K10

CS1

Chip Select 11,2

3.3VDC

P11

CS2

Chip Select 21,2

3.3VDC

N11

CS3

Chip Select 31,2

3.3VDC

P13

Output Enable1

3.3VDC

E12

BS2

Byte Strobe for D16 to D23 (8 bits)1

3.3VDC

E13

BS3

Byte Strobe for D24 to D31 (8 bits)1

3.3VDC

TIP

Transfer in Progress1,2

3.3VDC

Data Bus - Data 0

3.3VDC

PB5

Transfer Acknowledge1

3.3VDC

Data Bus - Data 2

3.3VDC

Data Bus - Data 1

3.3VDC

Data Bus - Data 4

3.3VDC

Data Bus - Data 3

3.3VDC

Data Bus - Data 6

3.3VDC

Data Bus - Data 5

3.3VDC

F12

Data Bus - Data 8

3.3VDC

Data Bus - Data 7

3.3VDC

F14

D10

Data Bus - Data 10

3.3VDC

F13

Data Bus - Data 9

3.3VDC

G13

D12

Data Bus - Data 12

3.3VDC

G12

D11

Data Bus - Data 11

3.3VDC

Note:

Active low signals, such as RESET, are indicated with an overbar.

The TIP signal is the logical AND of CS1, CS2 and CS3. TIP can be used to control an external data bus buffer for the data bus signals.

An example circuit design can be found on the Module Development Board schematic. An external data bus buffer is recommended for

any designs that use data bus signals D16 - D31.

J2-31 represents TIN0 and PB4/UART0 external baud rate clock. These two signals are tied together on the module PCB.

The ColdFire 5272 processor supports USB device mode only. A 48Mhz oscillator must be installed in locaton U8 of the Mod5272.

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