ST7265AR6T0E datasheet(10/166 Pages) STMICROELECTRONICS

tên linh kiện	ST7265AR6T0E

Giải thích chi tiết về linh kiện	LOW-POWER, FULL-SPEED USB 8-BIT MCU WITH 32K FLASH, 5K RAM, FLASH CARD I/F, TIMER, PWM, ADC, I2C, SPI

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ST7265x

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PIN DESCRIPTION (Cont’d)

Legend / Abbreviations:

Type: I = input, O = output, S = supply

VDDF powered: I/O powered by the alternate sup-

ply rail, supplied by VDDF and VSSF.

In/Output level: CT = CMOS 0.3VDD/0.7VDD with

input trigger

Output level: HS = High Sink (on N-buffer only)

Port and control configuration:

– Input:float = floating, wpu = weak pull-up, int = in-

terrupt

– Output: OD = open drain, T = true open drain, PP

= push-pull, OP = pull-up enabled by option byte.

Refer to “I/O PORTS” on page 49 for more details

on the software configuration of the I/O ports.

The RESET configuration of each pin is shown in

bold.

Table 1. Device Pin Description

Pin Name

Level

Port / Control

Main

Function

(after reset)

Alternate Function

Input

Output

51

1

USBVSS

S

USB Digital ground

6

2

USBDM

I/O

USB bidirectional data (data -)

7

3

USBDP

I/O

USB bidirectional data (data +)

8

4

USBVCC

O

USB power supply, output by the on-chip USB

3.3V linear regulator.

Note: An external decoupling capacitor (typ.

100nF, min 47nF) must be connected be-

tween this pin and USBVSS.

95

5

USBVDD

S

USB Power supply voltage (4V - 5.5V)

Note: External decoupling capacitors (typ.

4.7µF+100nF, min 2.2µF+100nFmust be con-

nected between this pin and USBVSS.

10

6

VDDF

SX

Power Line for alternate supply rail. Can be

used as input (with external supply) or output

(when using the on-chip voltage regulator).

Note: An external decoupling capacitor (min.

20nF) must be connected to this pin to stabi-

lize the regulator.

11

7

VSSF

SX

Ground Line for alternate supply rail. Can be

used as input (with external supply) or output

(when using the on-chip voltage regulator)

-

8

PE5/DTC

I/O

X CT HS X

2

X2

X

Port E5

DTC I/O with serial capability

(MMC_CMD)

-

9

PE6/DTC

I/O

X CT HS X

X

Port E6

DTC I/O with serial capability

(MMC_DAT)

-

10

PE7/DTC

I/O

X CT HS X

X

Port E7

DTC I/O with serial capability

(MMC_CLK)

-

8

11

PB0/DTC

I/O

X

C

T

X

Port B0

DTC

-

9

12

PB1/DTC

I/O

X

C

T

X

Port B1

DTC

-

10

13

PB2/DTC

I/O

X

C

T

X

Port B2

DTC

1

Số phần tương tự - ST7265AR6T0E

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Mô tả tương tự - ST7265AR6T0E

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