MC33596FCESLASHR2 datasheet(33/70 Pages) FREESCALE

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Configuration Switching

MC33596 Data Sheet, Rev. 4

Freescale Semiconductor

15.1.3.1 BANKA = X, BANKB = 0

If strobe pin is 1, configuration is defined by Bank A, BANKS = 1.

If strobe pin is 0, MC33596 configuration is OFF.

If a message is received during State A, current state remains State A up to end of message.

15.1.3.2 BANKA = 0, BANKB = 1

If strobe pin is 1, configuration is defined by Bank B, BANKS = 0.

If strobe pin is 0, MC33596 configuration is OFF.

If a message is received during State B, current state remains State B up to end of message.

15.1.3.3 BANKA = 1, BANK B = 1

BANKS toggles at the end of each state A or state B.

If strobe is forced to 1, configuration is frozen according to BANKS value.

If a read or write access is done using SPI, the next sequence will begin with state A in whatever was the

active state before SPI access by MCU.

For all available sequences:

•

State A and State B are defined by Bank A and Bank B.

•

State A duration, TonA is defined by Bank A RON[3–0].

•

State B duration, TonB is defined by Bank B RON[3–0].

•

OFF duration, TonB is defined by Bank A ROFF[2–0].

•

If strobe pin is 1, the state is ON and defined by BANKS at that time. It remains this state up to

the release of strobe and end of message if a message is being received.

•

If a message is being received during State A or B, current state remains State A or B up to end of

message.

State A

OFF

State A

OFF

State A

OFF

State B

OFF

State B

Banks Bit

State A

State B

OFF

StateA

StateB

OFF

Strobe

Banks

MC33596FCE/R2 Datasheet(PDF) 33 Page - Freescale Semiconductor, Inc

MC33596FCE/R2 Datasheet(HTML) 33 Page - Freescale Semiconductor, Inc

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