你好, TI 的工程师们
Mcu: F28075
软件：CCS:8.3.0
F28075 的 DCSM 的PSWDLOCK 位无法写入值, 具体情况如下：
1.CMD 文件：
MEMORY
{
PAGE 0 : /* Program Memory */
/* Z1 OTP. LinkPointers */
DCSM_OTP_Z1_LINKPOINTER : origin = 0x78000, length = 0x00000C
/* Z1 OTP. PSWDLOCK/RESERVED */
DCSM_OTP_Z1_PSWDLOCK : origin = 0x78010, length = 0x000004
/* Z1 OTP. CRCLOCK/RESERVED */
DCSM_OTP_Z1_CRCLOCK : origin = 0x78014, length = 0x000004
/* Z1 OTP. RESERVED/BOOTCTRL */
DCSM_OTP_Z1_BOOTCTRL : origin = 0x7801C, length = 0x000004
/* DCSM Z1 Zone Select Contents (!!Movable!!) */
/* Z1 OTP. Z1 password locations / Flash and RAM partitioning */
DCSM_ZSEL_Z1_P0 : origin = 0x78050, length = 0x000010
/* Z2 OTP. LinkPointers */
DCSM_OTP_Z2_LINKPOINTER : origin = 0x78200, length = 0x00000C
/* Z2 OTP. GPREG1/GPREG2 */
DCSM_OTP_Z2_GPREG : origin = 0x7820C, length = 0x000004
/* Z2 OTP. PSWDLOCK/RESERVED */
DCSM_OTP_Z2_PSWDLOCK : origin = 0x78210, length = 0x000004
/* Z2 OTP. CRCLOCK/RESERVED */
DCSM_OTP_Z2_CRCLOCK : origin = 0x78214, length = 0x000004
/* Z2 OTP. GPREG3/BOOTCTRL */
DCSM_OTP_Z2_BOOTCTRL : origin = 0x7821C, length = 0x000004
/* DCSM Z1 Zone Select Contents (!!Movable!!) */
/* Z2 OTP. Z2 password locations / Flash and RAM partitioning */
DCSM_ZSEL_Z2_P0 : origin = 0x78220, length = 0x000010
}
SECTIONS
{
dcsm_otp_z1_linkpointer : > DCSM_OTP_Z1_LINKPOINTER PAGE = 0/*, type = DSECT*/
dcsm_otp_z1_pswdlock : > DCSM_OTP_Z1_PSWDLOCK PAGE = 0/*, type = DSECT*/
dcsm_otp_z1_crclock : > DCSM_OTP_Z1_CRCLOCK PAGE = 0/*, type = DSECT*/
dcsm_otp_z1_bootctrl : > DCSM_OTP_Z1_BOOTCTRL PAGE = 0/*, type = DSECT*/
dcsm_zsel_z1 : > DCSM_ZSEL_Z1_P0 PAGE = 0/*, type = DSECT*/
dcsm_otp_z2_linkpointer : > DCSM_OTP_Z2_LINKPOINTER PAGE = 0, type = DSECT
dcsm_otp_z2_pswdlock : > DCSM_OTP_Z2_PSWDLOCK PAGE = 0, type = DSECT
dcsm_otp_z2_crclock : > DCSM_OTP_Z2_CRCLOCK PAGE = 0, type = DSECT
dcsm_otp_z2_bootctrl : > DCSM_OTP_Z2_BOOTCTRL PAGE = 0, type = DSECT
dcsm_zsel_z2 : > DCSM_ZSEL_Z2_P0 PAGE = 0, type = DSECT
}
2.DCSM 文件
.sect "dcsm_otp_z1_linkpointer"
.long 0x1FFFFFF8 ;Z1-LINKPOINTER1
.long 0xFFFFFFFF ;Reserved
.long 0x1FFFFFF8 ;Z1-LINKPOINTER2
.long 0xFFFFFFFF ;Reserved
.long 0x1FFFFFF8 ;Z1-LINKPOINTER3
.long 0xFFFFFFFF ;Reserved
.sect "dcsm_otp_z1_pswdlock"
.long 0xFFFFFFFE ;Z1-PSWDLOCK
.long 0xFFFFFFFF ;Reserved
.sect "dcsm_otp_z1_crclock"
.long 0xFFFFFFFF ;Z1-CRCLOCK
.long 0xFFFFFFFF ;Reserved
.sect "dcsm_otp_z1_bootctrl"
.long 0xFFFFFFFF ;Reserved
.long 0xFFFFFFFF ;Z1-BOOTCTRL
.sect "dcsm_zsel_z1"
.long 0xFFFFFFFF ;Z1-EXEONLYRAM
.long 0xFFFFFFFF ;Z1-EXEONLYSECT
.long 0xDFFF5555 ;Z1-GRABRAM
.long 0xF5555555 ;Z1-GRABSECT
.long 0xFFFFA5A5 ;Z1-CSMPSWD0 (LSW of 128-bit password)
.long 0xFFFF5A5A ;Z1-CSMPSWD1
.long 0xFFFFA5A5 ;Z1-CSMPSWD2
.long 0xFFFF5A5A ;Z1-CSMPSWD3 (MSW of 128-bit password)
3, 编译成OUT文件，写入提示故障
C28xx_CPU1: Error during Flash programming (Flash algorithm returned error code). FMSTAT value = 0. Operation Cancelled (0).
C28xx_CPU1: File Loader: Memory write failed: Unknown error
C28xx_CPU1: GEL: File: D:\v210\F2807x_examples_Cpu1\timed_led_blink\cpu01\ccs\CPU1_RAM\timed_led_blink_cpu01.out: Load failed.
4.DCSM OTP 内容（0x78000）
1FFFFFF8 FFFFFFFF 1FFFFFF8 FFFFFFFF 1FFFFFF8 FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFF1 FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
参照《C2000DCSM模块使用说明.pdf》尝试很多次，都无法写入PSWDLOCK值，
问题：
新的芯片，是不是写了LINKPOINTER和CSMPSWD，然后再写PSWDLOCK值，就无法写入？
