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| 型號(hào)： | ST72622L2T1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | TQFP-44 |
| 文件頁(yè)數(shù)： | 1/134頁(yè) |
| 文件大小： | 815K |
| 代理商： | ST72622L2T1 |
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March 2001
1/134
This is preliminary information on a new product now in development. Details are subject to change without notice.
Rev. 1.1
ST7262
LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR
ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI
PRODUCT PREVIEW
s
Memories
– 8K or 16K Program memory
(ROM, FASTROM or Dual voltage FLASH)
with read-write protection
– In-Application and In-Circuit Programming for
FLASH versions
– 384 to 768 bytes RAM memory (128-byte
stack)
s
Clock, Reset and Supply Management
– Enhanced Reset System (Power On Reset)
– Low Voltage Detector (LVD)
– Clock-out capability
– 6 or 12 MHz Oscillator (8, 4, 2, 1 MHz internal
frequencies)
– 3 Power saving modes
s
USB (Universal Serial Bus) Interface
– DMA for low speed applications compliant
with USB 1.5 Mbs specification (v 1.1) and
USB HID specification (v 1.0):
– Integrated 3.3V voltage regulator and trans-
ceivers
– Suspend and Resume operations
– 3 Endpoints
s
Up to 31 I/O Ports
– Up to 31 multifunctional bidirectional I/O lines
– Up to 12 External interrupts (3 vectors)
– 13 alternate function lines
– 8 high sink outputs
(8 mA@0.4 V/20 mA@1.3 V)
– 2 true open drain pins (N buffer 8 mA@0.4 V)
s
3 Timers
– Configurable watchdog timer (8 to 500 ms
timeout)
– 8-bit Auto Reload Timer (ART) with 2 Input
Captures, 2 PWM outputs and External Clock
Input
– 8-bit Time Base Unit (TBU) for generating pe-
riodic interrupts cascadable with ART
s
Analog Peripheral
– 10-bit A/D Converter with up to 8 input pins.
s
2 Communications Interfaces
– Asynchronous Serial Communication inter-
face
– Synchronous Serial Peripheral Interface
s
Instruction Set
– 8-bit data manipulation
– 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
– True bit manipulation
s
Development Tools
– Full hardware/software development package
Device Summary
PDIP32 shrink
SO34 shrink
TQFP44
PDIP42 shrink
SO20
PDIP20
Features
ST72623F2
ST72622K2
ST72621K4
ST72622L2
ST72621L4
ST72621J2
ST72621J4
Program memory - bytes
8K
16K
8K
16K
8K
16K
RAM (stack) - bytes
384 (128)
768 (128)
384 (128)
768 (128)
384 (128)
768 (128)
Peripherals
USB, Watchdog, Low Voltage Detector, 8-bit Auto-Reload timer, Timebase unit, A/D Converter
Serial I/O
-
SPI
SPI + SCI
SPI
SPI + SCI
I/Os
11
21
23
31
Operating Supply
3.0V to 5.5V
Operating Temperature
0
°C to +70°C
Packages
PDIP 20/SO20
PDIP32
SO34
PDIP42/TQFP44
1
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