L99UDL01 datasheet(74/88 Pages) STMICROELECTRONICS

74 / 88 page

Programmers guide

L99UDL01

74/88

DS12511 Rev 5

6.3

SPI diagnostic registers

Fault indications will not be cleared unless asked to do so by op-code. It is recommended, if

a read and clear operation is performed, that all bits in the diagnostic register be cleared.

Otherwise there could be confusion as to the reported fault.

6.3.1

Global Status byte

This byte consists of 8 bits. This information is returned while the command byte is sent.

Figure 25. 09 H spare control register

OC1

OC2

D 15 D 14 D 13 D 12 D 11 D 10

D 9

D 8

D 7

D 6

D 5

D 4

D 3D 2

D 1D 0

001001

Reserved

Default Values

0000000000

00000

Table 50. 09H register bit description

Bit No.

Function

Level

Reserved

—

Reserved

—

Reserved

—

Reserved

—

Reserved

—

Reserved

—

Reserved

—

Reserved

—

Reserved

—

Reserved

—

Reserved

—

Reserved

—

Reserved

—

Reserved

—

Reserved

—

0 LSB

Parity

Parity bit

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