System Status Register 1

System Status Register 1

The MVME6100 board System Status Register 1 is a read-only register used to provide board status information.

Table 1-7. System Status Register 1

REG

System Status Register 1- 0xF1100000

 

 

 

 

 

 

 

 

 

 

 

 

 

BIT

7

6

5

4

3

 

2

1

0

 

 

 

 

 

 

 

 

 

 

FIELD

 

BANK_SELECT

SAFE_START

 

FLASH_BSY_L

 

 

 

 

 

REF_CLK

ABORT_L

 

FUSE_STAT

SROM_INIT

RSVD

 

 

 

 

 

 

 

 

 

 

OPER

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESET

X

X

X

X

1

 

1

X

0

 

 

 

 

 

 

 

 

 

 

REF_CLK

Reference clock. This bit reflects the current state of the 28.8 KHz reference clock derived from the 1.8432 MHz UART oscillator divided by 64. This clock may be used as a fixed timing reference.

BANK_SEL

Boot Flash bank select. This bit reflects the current state of the boot Flash bank select jumper. A cleared condition indicates that Flash bank A is the boot bank. A set condition indicates that Flash B is the boot bank.

SAFE_START

ENV safe start. This bit reflects the current state of the ENV safe start select jumper. A set condition indicates that MOTLoad should provide the user the capability to select which Boot Image is used to boot the board, cleared MOTLoad should proceed with the first boot image found.

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Emerson MVME6100 manual System Status Register, Refclk, Banksel, Safestart