STLUX datasheet(78/126 Pages) STMICROELECTRONICS

78 / 126 page

Option bytes

STLUX

78/126

DocID027870 Rev 1

MSC_OPT0 (miscellaneous configuration reg0)

Bit 1 - 0:

BootSel [1:0] boot-ROM peripheral enables:

00: automatic scan boot sources; this selection enables the automatic scan

configuration sequence of all possible initializing peripheral devices: Periph0 (UART),

Periph1 (RFU).

01: enable boot source: Periph0 10: enable boot source: Periph1

11: enable boot sources: Periph1, Periph0

Bit 3 - 2:

RFU reserved; must be kept 0 during register writing for future compatibility.

Bit 5 - 4:

UARTline [1:0] selects the UART port configuration pins involved during the bootload

sequence in warm configuration mode; in case of cold configuration, this field is

ignored since the UART port is selected by the register AFR_IOXP0.

00: boot sequence with the UART i/f configured in all possible UART multiplexed signal

schemes. This sequence is used when UART i/f position is not specified.

01: boot sequence with UART i/f configured on P0 (1, 0) 10: boot sequence with UART

i/f configured on P0 (3, 2) 11: boot sequence with UART i/f configured on P0 (5, 4).

Bit 7 - 6:

RFU reserved; must be kept 0 during register writing for future compatibility.

nMSC_OPT0 (miscellaneous configuration reg0 protection)

nMSC_OPT0: not (MSC_OPT0) EMC byte protection.

Table 60. MSC_OPT0 (miscellaneous configuration reg0)

Offset: 0x004815

Default value: 0x01

RFU

UARTline [1:0]

RFU

BootSel [1:0]

rr/w

r/w

Table 61. nMSC_OPT0 (miscellaneous configuration reg0 protection)

Offset: 0x004816

Default value: 0xFE

6543

nRFU

nUARTline [1:0]

nRFU

nBootSel [1:0]

rr/w

r/w

STLUX 数据表(PDF) 78 Page - STMicroelectronics

STLUX 数据表(HTML) 78 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载