Emerson PMPPC7448 user manual CPLD:Reset Registers

Models: PMPPC7448

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CPLD:Reset Registers
PCI Reset Out Enable Register (ROER)
The Reset Out Enable register determines the functionality of the PCI ResetOut signal.

Manual backgroundManual backgroundManual backgroundManual backgroundCPLD:Manual backgroundReset Registers

Register 7-2:Reset Command Register (RCR) at 0xf820,1000

7

6

5

4

3

2

1

0

SCL

SDA

R

I2C

FR

SR

R

HR

SCL:

Serial I2C Clock

 

1

Tri-states the PLD

 

0

Drives logic low

SDA: Serial I2C Data/Address

 

1

Tri-states the PLD

 

0

Drives logic low

R:

Reserved (default is 00)

I2C:

I2C reset

 

1

Causes the I2C bus to be reset into a known state

 

0

No I2C reset (default)

FR:

Flash Reset command

 

1

Causes Flash to be reset

 

0

No Flash reset (default)

SR:

Soft Reset command

 

1

Causes a soft reset to the CPU and resets on-board Flash

 

0

No soft reset (default)

HR: Hard Reset command

 

1

Causes a hard reset on board

 

0

No hard reset (default)

Register 7-3:Reset Out Enable Register (ROER) at 0xf820,e000

7

6

5

4

3

2

1

0

R

SW

WD

R

COPH

R

PCI0

FP

R:Reserved (default is 00)

7-2

PmPPC7448 User’s Manual

10006757-02

Page 74
Image 74
Emerson PMPPC7448 user manual CPLD:Reset Registers