ADIS16505-2SLASHPCBZ datasheet(36/41 Pages) AD

36 / 41 page

ADIS16505

Data Sheet

Rev. C | Page 36 of 41

Firmware Revision (FIRM_REV)

Table 113. FIRM_REV Register Definition

Addresses

Default

Access

Flash Backup

0x6C, 0x6D

Not applicable

Yes

Table 114. FIRM_REV Bit Definitions

Bits

Description

[15:0]

Firmware revision, binary coded decimal (BCD) format

The FIRM_REV register (see Table 113 and Table 114) provides

the firmware revision for the internal firmware. This register uses a

BCD format where each nibble represents a digit. For example,

if FIRM_REV = 0x0104, the firmware revision is 1.04.

Firmware Revision Day and Month (FIRM_DM)

Table 115. FIRM_DM Register Definition

Addresses

Default

Access

Flash Backup

0x6E, 0x6F

Not applicable

Yes

Table 116. FIRM_DM Bit Definitions

Bits

Description

[15:8]

Factory configuration month, BCD format

[7:0]

Factory configuration day, BCD format

The FIRM_DM register (see Table 115 and Table 116)

contains the month and day of the factory configuration date.

month of the factory configuration. For example, November is

the 11th month in a year and is represented by Register FIRM_DM,

Bits[15:8] = 0x11. Register FIRM_DM, Bits[7:0], contain the

day of factory configuration. For example, the 27th day of the

month is represented by Register FIRM_DM, Bits[7:0] = 0x27.

Firmware Revision Year (FIRM_Y)

Table 117. FIRM_Y Register Definition

Addresses

Default

Access

Flash Backup

0x70, 0x71

Not applicable

Yes

Table 118. FIRM_Y Bit Definitions

Bits

Description

[15:0]

Factory configuration year, BCD format

The FIRM_Y register (see Table 117 and Table 118) contains

the year of the factory configuration date. For example, the

year, 2017, is represented by FIRM_Y = 0x2017.

Product Identification (PROD_ID)

Table 119. PROD_ID Register Definition

Addresses

Default

Access

Flash Backup

0x72, 0x73

0x4079

Yes

Table 120. PROD_ID Bit Definitions

Bits

Description

[15:0]

Product identification = 0x4079

The PROD_ID register (see Table 119 and Table 120) contains

the numerical portion of the device number (16,505). See Figure 41

for an example of how to use a looping read of this register to

validate the integrity of the communication.

Serial Number (SERIAL_NUM)

Table 121. SERIAL_NUM Register Definition

Addresses

Default

Access

Flash Backup

0x74, 0x75

Not applicable

Yes

Table 122. SERIAL_NUM Bit Definitions

Bits

Description

[15:0]

Lot specific serial number

Scratch Registers (USER_SCR_1 to USER_SCR_3)

Table 123. USER_SCR_1 Register Definition

Addresses

Default

Access

Flash Backup

0x76, 0x77

Not applicable

R/W

Yes

Table 124. USER_SCR_1 Bit Definitions

Bits

Description

[15:0]

User defined

Table 125. USER_SCR_2 Register Definition

Addresses

Default

Access

Flash Backup

0x78, 0x79

Not applicable

R/W

Yes

Table 126. USER_SCR_2 Bit Definitions

Bits

Description

[15:0]

User defined

Table 127. USER_SCR_3 Register Definition

Addresses

Default

Access

Flash Backup

0x7A, 0x7B

Not applicable

R/W

Yes

Table 128. USER_SCR_3 Bit Definitions

Bits

Description

[15:0]

User defined

The USER_SCR_1 (see Table 123 and Table 124), USER_SCR_2

(see Table 125 and Table 126), and USER_SCR_3 (see Table 127

and Table 128) registers provide three locations for the user to

store information. For nonvolatile storage, use the manual flash

memory update command (Register GLOB_CMD, Bit 3, see

Table 112) after writing information to these registers.

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