PM0020 datasheet(75/87 Pages) STMICROELECTRONICS

tên linh kiện	PM0020

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PM00020

ISC logic description

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12.5.13

ISC_NOOP

Description:

Shift out status bits

Requirement:

None

ISC_Default

Shift-In:

8 bits don't care

Shift-Out:

8 bits status

Mode:

ISC and PSD

Security:

Fully functional

Loaded while a module is busy does not terminate the previous instruction.

Use for polling purpose, checking of the internal operation status (ie. Ready/busy).

12.5.14

ISC_ADDRESS_SHIFT

Description:

Load sector address

Requirement:

Part is in ISC mode

ISC_Address

Shift-In:

8 bits sector address

Shift-Out:

8 bits don't care

Mode:

ISC

Security:

Blocked

If the device is not in ISC mode, ISC_ADDRESS_SHIFT will not update the Address

Table 38.

ISC_NOOP sequence

Step

Tap activity

Comment

Run-Test/Idle

Start

IR-Scan

Load ISC_NOOP

DR-Scan

Shift out status

Run-Test/Idle

End

Table 39.

ISC_ADDRESS_SHIFT sequence

Step

Tap activity

Comment

Run-Test/Idle

Start

IR-Scan

Load ISC_ADDRESS_SHIFT

DR-Scan

Sector address shift in

Run-Test/Idle

End

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