STM8S903K3 datasheet(48/121 Pages) STMICROELECTRONICS

48 / 121 page

Option bytes

STM8S903K3 STM8S903F3

48/121

DocID15590 Rev 10

2. Refer to STM8S903K3 pin descriptions.

Table 14. STM8S903F3 alternate function remapping bits [7:2] for 20-pin packages

Option byte no.

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 functions.(2)

1: Port C3 alternate function = TIM1_CH1N;



port C4 alternate function = TIM1_CH2N.

AFR6

Alternate function remapping option 6

Reserved.

AFR5

Alternate function remapping option 5

Reserved.

AFR4

Alternate function remapping option 4

0: AFR4 remapping option inactive: Default alternate functions.(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

Reserved.

2. Refer to STM8S903K3 pin descriptions.

Table 15. STM8S903K3 alternate function remapping bits [1:0] for 32-pin packages

AFR1 option bit value

AFR0 option bit value

I/O port

Alternate function

mapping

AFR1 and AFR0 remapping options inactive:

Default alternate functions(1)

PC5

TIM5_CH1

PC6

TIM1_CH1

PC7

TIM1_CH2

PA3

SPI_NSS

PD2

TIM5_CH3

STM8S903K3 Datasheet(PDF) 48 Page - STMicroelectronics

STM8S903K3 Datasheet(HTML) 48 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

Datasheet Download

Link URL