STR91XF_07 datasheet(40/73 Pages) STMICROELECTRONICS

Part #	STR91XF

Description	ARM966E-S TM 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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40 / 73 page

Pin description

STR91xF

40/73

-21

EMI_BWR

_WRLn

(used as

EMI_LBn in

future rev.)

O

EMI byte write

strobe (8 bit

mode) or low

byte write strobe

(16 bit mode)

N/A

-22

EMI_WRHn

(used as

EMI_UBn in

future rev.)

O

EMI high byte

write strobe (16-

bit mode)

N/A

-74

EMI_ALE

O

EMI address

latch enable

(mux mode)

N/A

-

75

EMI_RDn

O

EMI read strobe

N/A

-

EMI_BAAn

O

TBD

N/A

-

EMI_WAITn

I

TBD

N/A

-

EMI_BCLK

O

TBD

N/A

-

EMI_WEn

O

Reserved for

future use

N/A

-91

TAMPER

_IN

I

Tamper detection

input

N/A

-

94

MII_MDIO

I/O

MAC/PHY

management

data line

N/A

59

95

USBDN

I/O

USB data (-) bus

connect

N/A

60

96

USBDP

I/O

USB data (+) bus

connect

N/A

56

89

RESET

_INn

I

External reset

input

N/A

62

100

RESET

_OUTn

O

Global or System

reset output

N/A

65

104

X1_CPU

I

CPU oscillator or

crystal input

N/A

64

103

X2_CPU

O

CPU crystal

connection

N/A

27

42

X1_RTC

I

RTC oscillator or

crystal input

(32.768 kHz)

N/A

26

41

X2_RTC

O

RTC crystal

connection

N/A

61

97

JRTCK

O

JTAG return

clock or RTC

clock

N/A

67

107

JTRSTn

I

JTAG TAP

controller reset

N/A

68

108

JTCK

I

JTAG clock

N/A

69

111

JTMS

I

JTAG mode

select

N/A

72

115

JTDI

I

JTAG data in

N/A

73

117

JTDO

O

JTAG data out

N/A

-122

AVDD

V

ADC analog

voltage source,

2.7V - 3.6V

N/A

-

4

AVSS

G

ADC analog

ground

N/A

5-

AVSS

_VSSQ

G

Common ground

point for digital I/

O & analog ADC

N/A

Pkg

Pin Name

Default Pin

Function

Default Input

Function

Alternate functions

Alternate

Input 1

Alternate

Output 1

Alternate

Output 2

Alternate

Output 3

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