Freescale Semiconductor, Inc.

 

 

Freescale Semiconductor, Inc.

 

 

 

 

Functional Description

 

 

 

 

TABLE 5-12. BCSR2 Description

 

 

 

 

 

 

 

BIT

MNEMONIC

Function

DEF

ATT.

SET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20 - 23

BREVN(0:3)

Board Revision Number (0:3). This field represents the revision code,

0

R

 

 

hard-assigned to the ADS. See TABLE 5-18. "ADS Revision Encoding"

 

 

 

 

on page 61, for revisions’ encoding.

 

 

 

 

 

 

 

24

SWOPT2

Software Option 2. This is the LSB of the field. Shows the state of a

0

R

 

 

dedicated dip-switch providing an option to manually change a program

 

 

 

 

flow. For the setting of dip-switch see.

 

 

 

 

 

 

 

25 - 27

FLASH_PD(7:5)

Flash Presence Detect(7:5). These lines are connected to the Flash SIMM

-

R

 

 

presence detect lines, which encode the Delay of Flash SIMM mounted on

 

 

 

 

the Flash SIMM socket. For the encoding of FLASH_PD(4:1) see TABLE

 

 

 

 

5-13. "Flash Presence Detect (7:5) Encoding" on page 59.

 

 

 

 

 

 

 

28 - 31

FLASH_PD(4:1)

Flash Presence Detect(4:1). These lines are connected to the Flash SIMM

-

R

 

 

presence detect lines which encode the type of Flash SIMM mounted on the

 

 

 

 

Flash SIMM socket. For the encoding of FLASH_PD(4:1) see TABLE 5-

 

 

 

 

14. "Flash Presence Detect (4:1) Encoding" on page 59.

 

 

 

 

 

 

 

a. There is additional bit to this field. See bit 24 in the same table.

TABLE 5-13. Flash Presence Detect (7:5) Encoding

FLASH_PD(7:5)

FLASH DELAY [nsec]

 

 

 

 

000

Not Supported

 

 

001

150

 

 

010

100/120

 

 

011

80/90

 

 

100

70 nsec

 

 

101 - 111

Not Supported

 

 

TABLE 5-14. Flash Presence Detect (4:1) Encoding

FLASH_PD(4:1)

Flash TYPE / SIZE

 

 

 

 

0000

SM73288XG4JHBG0 - 32 MByte (4 banks of 4 X 2M X 8) by Smart Modular

 

Technology.

 

 

0001

SM73248XG2JHBG0 - 16 MByte (2 banks of 4 X 2M X 8) by Smart Modular

 

Technology.

 

 

0010

SM73228XG1JHBG0 - 8 MByte (1 bank of 4 X 2M X 8) by Smart Modular

 

Technology.

 

 

0011 - 1111

Not Supported

 

 

5•11•4 BCSR3 - Board Status Register 3

BCSR3 is a status register which is accessed as word at offset C from the BCSR base address. Its a Read-Onlyregister. BCSR3’s various fields are described in TABLE 5-15. "BCSR3 Descrip-

MOTOROLA

MSC8101ADS RevB User’s Manual

59

For More Information On This Product,

Go to: www.freescale.com

Page 59
Image 59
Nortel Networks MSC8101 ADS BCSR2 Description, Flash Presence Detect 75 Encoding, Flash Presence Detect 41 Encoding