STM8AF51A8 datasheet(7/110 Pages) STMICROELECTRONICS

Part #	STM8AF51A8

Description	Automotive 8-bit MCU, with up to 128 Kbytes Flash, data EEPROM

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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7 / 110 page

STM8AF52/62xx, STM8AF51/61xx

List of figures

Doc ID 14395 Rev 9

7/110

List of figures

Figure 1.

STM8A block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 2.

Flash memory organization of STM8A products. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 3.

LQFP 80-pin pinout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 4.

LQFP 64-pin pinout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 5.

LQFP 48-pin pinout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Figure 6.

LQFP/VFQFPN 32-pin pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Figure 7.

Register and memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 8.

Pin loading conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Figure 9.

Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Figure 10.

fCPUmax versus VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Figure 11.

External capacitor CEXT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Figure 12.

Typ. IDD(RUN)HSE vs. VDD @fCPU = 16 MHz, peripherals = on . . . . . . . . . . . . . . . . . . . . . . 64

Figure 13.

Typ. IDD(RUN)HSE vs. fCPU @ VDD = 5.0 V, peripherals = on . . . . . . . . . . . . . . . . . . . . . . . 64

Figure 14.

Typ. IDD(RUN)HSI vs. VDD @ fCPU = 16 MHz, peripherals = off . . . . . . . . . . . . . . . . . . . . . . 64

Figure 15.

Typ. IDD(WFI)HSE vs. VDD @ fCPU = 16 MHz, peripherals = on . . . . . . . . . . . . . . . . . . . . . . 64

Figure 16.

Typ. IDD(WFI)HSE vs. fCPU @ VDD = 5.0 V, peripherals = on . . . . . . . . . . . . . . . . . . . . . . . . 64

Figure 17.

Typ. IDD(WFI)HSI vs. VDD @ fCPU = 16 MHz, peripherals = off . . . . . . . . . . . . . . . . . . . . . . 64

Figure 18.

HSE external clock source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Figure 19.

HSE oscillator circuit diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Figure 20.

Typical HSI frequency vs VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Figure 21.

Typical LSI frequency vs VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Figure 22.

Typical VIL and VIH vs VDD @ four temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Figure 23.

Typical pull-up resistance RPU vs VDD @ four temperatures . . . . . . . . . . . . . . . . . . . . . . . 72

Figure 24.

Typical pull-up current Ipu vs VDD @ four temperatures

(1) . . . . . . . . . . . . . . . . . . . . . . . . . 73

Figure 25.

Typ. VOL @ VDD = 3.3 V (standard ports). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Figure 26.

Typ. VOL @ VDD = 5.0 V (standard ports). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Figure 27.

Typ. VOL @ VDD = 3.3 V (true open drain ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Figure 28.

Typ. VOL @ VDD = 5.0 V (true open drain ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Figure 29.

Typ. VOL @ VDD = 3.3 V (high sink ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Figure 30.

Typ. VOL @ VDD = 5.0 V (high sink ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Figure 31.

Typ. VDD - VOH @ VDD = 3.3 V (standard ports). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Figure 32.

Typ. VDD - VOH @ VDD = 5.0 V (standard ports). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Figure 33.

Typ. VDD - VOH @ VDD = 3.3 V (high sink ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Figure 34.

Typ. VDD - VOH @ VDD = 5.0 V (high sink ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Figure 35.

Typical NRST VIL and VIH vs VDD @ four temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Figure 36.

Typical NRST pull-up resistance RPU vs VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Figure 37.

Typical NRST pull-up current Ipu vs VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Figure 38.

Recommended reset pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Figure 39.

SPI timing diagram in slave mode and with CPHA = 0. . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Figure 40.

SPI timing diagram in slave mode and with CPHA = 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Figure 41.

SPI timing diagram - master mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Figure 42.

Typical application with ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Figure 43.

ADC accuracy characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Figure 44.

LQFP 80-pin low profile quad flat package (14 x 14) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Figure 45.

LQFP 64-pin low profile quad flat package (10 x 10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Figure 46.

LQFP 64-pin recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Figure 47.

LQFP 48-pin low profile quad flat package (7 x 7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Figure 48.

LQFP 48-pin recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

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