ST7HUB datasheet(3/6 Pages) STMICROELECTRONICS

部件名	ST7HUB

功能描述	USB 1.1 HUB WITH 2 DOWNSTREAMS, FULL SPEED FUNCTION, 8-BIT MCU, 10-BIT ADC, 3 TIMERS, 2 PWMs

PDF	6 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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3 / 6 page

ST7HUB

3/6

INTRODUCTION (Cont’d)

Figure 1. General Block Diagram

8-BIT CORE

ALU

OSCIN

OSCOUT

RESET

USB SIE

PORT A

OSCILLATOR

Internal

CLOCK

CONTROL

RAM

PA7:0

(8 bits)

VSS

VDD

POWER

SUPPLY

FLASH (32KB)

ROM (16KB)

LVD

WATCHDOG

USBDP0

USBDM0

USBVDD

PORT B

PB3:0

(4 bits)

(512 Bytes)

HUB POWER

LOGIC

XVR

PORT 2

LOGIC

USBDP2

USBDM2

XVR

PORT 3

LOGIC

USBDP3

USBDM3

HUB REPEATER

FRAME TIMER

HUB

CONTROLLER

USB DMA

USBVSS

USBVCC0

PORT 1

LOGIC

PLL

PORT E

PD6:0

(7 bits)

PE7:0

(8 bits)

8BIT ARTIMER

2 INPUT CAPT

2 OUTPUT COMP

2PWM

PORT D

SPI

USB SIE

1 CRTL

1 BULK / INT IN

1 BULK / INT OUT

4 INT IN

USBVCC3

USBVCC2

PORT C

PC7:0

(8 bits)

High Impedance ADC

(4 channels)

VREF+

10 BIT ADC

VREF-

VDDA

VSSA

4 HIGH IMPED.

12 STD CH

CHANNELS

EXT. REF.

HUB BLOCK

USB RAM

(256 Bytes)

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