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參數(shù)資料
| 型號： | ST7HUB |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | USB 1.1 HUB WITH 2 DOWNSTREAMS, FULL SPEED FUNCTION, 8-BIT MCU, 10-BIT ADC, 3 TIMERS, 2 PWMs |
| 中文描述： | USB 1.1的2下游的，全速功能，8位MCU，10位ADC，3定時器2的PWM集線器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 135K |
| 代理商： | ST7HUB |
October 2001
This is preliminary information on a new product now in development. Details are subject to change without notice.
1/6
1
Rev. 1.0
ST7HUB
USB 1.1 HUB WITH 2 DOWNSTREAMS, FULL SPEED
FUNCTION, 8-BIT MCU, 10-BIT ADC, 3 TIMERS, 2 PWMs
DATA BRIEFING
I
Memories
– 32K High Density Flash (HD-Flash) program
memory with read/write protection or 16K
ROM
– In-Application Programming (IAP) via USB
and In-Circuit programming (ICP) for Flash
device
– 768 bytes RAM memory including up to 176
bytes for USB buffers and up to 256 bytes
stack
I
Clock, Reset and Supply Management
– Enhanced Reset System (Power On Reset)
and Low Voltage Detector (LVD) on some de-
vices
– PLL for generating 48 MHz USB clock using a
4 MHz crystal
– Up to 12 MHz internal frequency on ROM de-
vice
– Up to 8 MHz internal frequency on Flash de-
vice
– Clock-out capability
– 2 Power saving modes
I
USB HUB Function
– 3 bus-powered downstream ports (1 connect-
ed internally to embedded function)
– Individual downstream Power Switching
– Overcurrent Protection for each downstream
– Supports all USB Standard and HUB com-
mands
– Integrated 3.3V voltage regulator and trans-
ceivers
I
USB Full Speed Function
– 7 USB Endpoints:
One 8-byte Bidirectional Control Endpoint
One 64-byte In Endpoint (Interrupt or Bulk)
One 64-byte Out Endpoint (Interrupt or Bulk)
Four 8-byte In Endpoints (Interrupt)
– DMA for Full speed applications compliant
with USB specification (v 2.0)
– Suspend and Resume operations
I
35 I/O Ports
– 35 multifunctional bidirectional I/O lines
– 23 individually selectable external interrupts
(3 vectors) with per port programmable sensi-
tivity
– Pull up resistors in input individually selecta-
ble by software
– 3 ports (20 I/Os) can be individually config-
ured to open drain pull up configuration for
PS/2 and keyboard function.
– 7
high
sink
outputs
20 mA@1.3 V)
I
3 Timers
– Configurable watchdog timer (8 to 500 ms
timeout)
– 8 bit Time Base Unit (TBU) for generating pe-
riodic interrupts, cascadable with ART
– 8 bit Auto-Reload Timer (ART) with 2 Input
Captures, 2 PWM outputs and External Clock
Input
I
Analog Peripheral
– 10-bit A/D Converter with
V
REF+
and
V
REF-
refer-
ence pins
4 high impedance high accuracy channels
12 standard channels
I
1 Communication Interface
– Serial Peripheral Interface (SPI)
I
Instruction Set
– 8-bit data manipulation
– 63 basic instructions
– 17 main addressing modes
– Nested Interrupts
– 8 x 8 unsigned multiply instruction
– True bit manipulation
I
Development Tools
– Full hardware/software development package
I
Operating Conditions
– 4.0 to 5.25V power supply
– 0 to 70°C temperature range
(8 mA@0.4 V/
Subsets in
TQFP44 10x10
and SO34
TQFP64
10x10
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