PM0020 datasheet(55/87 Pages) STMICROELECTRONICS

Part #	PM0020

Description	STR91xFA Flash programming manual

PDF	87 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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55 / 87 page

PM00020

Verify operation

55/87

Verify operation

Table 27.

Verify operation description

Description

Flow in sequence

Check Flash Memory JTAG Device ID

IDCODE

if device is secured, exit with error

if ID not matched, exit with error

Enable Turbo Programming Mode

TURBO-PROG-ENABLE

Enter ISC mode

ISC-ENABLE

Verify the following sector:

a. Main Flash

b. Secondary Flash

c. OTP - do not compare the last 2

bytes (16 bits)

/verify one sector at a time

/repeat until all sectors are verified

ISC-READ (Sector)

/compare with expected data

if error, report verify error

Verify Configuration sector

ISC-CONFIGURATION

/compare with expected data

if error, report verify error

Verify User-Code

USERCODE

/compare with expected data

if error, report verify error

Disable ISC mode

ISC-DISABLE

Disable Turbo Programming Mode

Disabling by either power-down or taking JTRSTn to low

PM0020 Datasheet(PDF) 55 Page - STMicroelectronics