PM0020 datasheet(49/87 Pages) STMICROELECTRONICS

49 / 87 page

PM00020

JTAG sequence

49/87

5.10

ISC-PROGRAM-UC

5.11

ISC-PROGRAM-SECURITY

Figure 6.

ISC-PROGRAM-UC sequence

Step

Tap Activity

Comment

Run-Test/Idle

Start

IR-Scan

Load 5-bit BYPASS + ISC_PROGRAM_UC

DR-Scan

Shift in 1-bit BYPASS + User-Code to be programmed

Run-Test/Idle

Program starts

Begin polling

IR-Scan

Load 5-bit BYPASS + ISC-NOOP

DR-Scan

Shift out 1-bit BYPASS + status

Repeat step 5 until ready = 1

Run-Test/Idle

End

Table 21.

ISC-PROGRAM-SECURITY sequence

Step

Tap Activity

Comment

Run-Test/Idle

Start

IR-Scan

Load 5-bit BYPASS + ISC_ADDRESS_SHIFT

DR-Scan

Shift in 1-bit BYPASS + 8-bit dummy address (80 Hex)

IR-Scan

Load 5-bit BYPASS + ISC_PROGRAM_SECURITY

Run-Test/Idle

Security bit program begins

DR-Scan

Shift out 1-bit BYPASS + status

Begin polling

IR-Scan

Load 5-bit BYPASS + ISC-NOOP

DR-Scan

Shift out 1-bit BYPASS

Repeat step 7 until ready = 1

Run-Test/Idle

End

PM0020 Datasheet(PDF) 49 Page - STMicroelectronics

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