STM8AF6213 datasheet(49/106 Pages) STMICROELECTRONICS

49 / 106 page

DocID025118 Rev 5

49/106

STM8AF6213/23/23A/26

Option bytes

103

8.2

STM8AF6213/23/23A/26 alternate function remapping bits

OPT4

EXTCLK: External clock selection

0: External crystal connected to OSCIN/OSCOUT

1: External clock signal on OSCIN

CKAWUSEL: Auto-wakeup unit/clock

0: LSI clock source selected for AWU

1: HSE clock with prescaler selected as clock source for AWU

PRSC[1:0]: AWU clock prescaler

0x: 16 MHz to 128 kHz prescaler



10: 8 MHz to 128 kHz prescaler



11: 4 MHz to 128 kHz prescaler

OPT5

HSECNT[7:0]: HSE crystal oscillator stabilization time

0x00: 2048 HSE cycles

0xB4: 128 HSE cycles

0xD2: 8 HSE cycles

0xE1: 0.5 HSE cycles

Table 15. Option byte description (continued)

Option byte no.

Description

Table 16. STM8AF6226 alternate function remapping bits [7:2] for 32-pin packages

Option byte number

Description(1)

1. Do not use more than one remapping option in the same port.

OPT2

AFR7: Alternate function remapping option 7

0: AFR7 remapping option inactive: default alternate function (2)



1: Port C3 alternate function = = TIM1_CH1N;



port C4 alternate function = TIM1_CH2N

AFR6: Alternate function remapping option 6

0: AFR6 remapping option inactive: default alternate function (2)



1: Port D7 alternate function = TIM1_CH4.

AFR5: Alternate function remapping option 5

0: AFR5 remapping option inactive: default alternate function (2).



1: Port D0 alternate function = CLK_CCO.

AFR4: Alternate function remapping option 4

0: AFR4 remapping option inactive: default alternate function (2).



1: Port B4 alternate function = ADC_ETR; port B5 alternate function =

TIM1_BKIN.

AFR3: Alternate function remapping option 3

0: AFR3 remapping option inactive: default alternate function (2)



1: Port C3 alternate function = TLI

AFR2: Alternate function remapping option 2

0: AFR2 remapping option inactive: default alternate function (2)



1: Port C4 alternate function = AIN2; port D2 alternate function = AIN3;

port D4 alternate function = LINUART_CK

2. Refer to the pin description.

STM8AF6213 数据表(PDF) 49 Page - STMicroelectronics

STM8AF6213 数据表(HTML) 49 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