Datasheet

Functional description of the SPI L99H01
42/53 DocID15567 Rev 6
The <SPI-frame-ID> (ROM address 03H) provides information about the register width (1, 2,
3 bytes) and the availability of ‘burst mode read’ option.
Comments:
• BR: Burst mode read. Not supported
• AR5: Address width reduction. Not supported
• AR4: Address width reduction. Not supported
• AR3: Address width reduction. Not supported
• 32 bits: 32 bits frame width. Not supported
• 24 bits: 24 bits frame width. Not supported
• 16 bits: 16 bits frame width, 8 bits command and 8 bits data
• 8 bits: 8 bits frame width. Not supported
Table 46. Address 2 <02(hex)>: product ID (MSB) - read only
(1)
1. Addressable only through a read device Information command.
Bit76543210
Name PR_ID_15 PR_ID_14 PR_ID_13 PR_ID_12 PR_ID_11 PR_ID_10 PR_ID_9 PR_ID_8
<default>00101XXX
Table 47. Address 3 <03(hex)>: SPI frame ID - read only
(1)
1. Addressable only through a Read Device Information command.
Bit76543210
Name BR AR5 AR4 AR3 32 bits 24 bits 16 bits 8 bits
<default> 0 0 0 0 0 0 1 0