ST7262XXX Datasheet, PDF (1/139 Pages) STMicroelectronics – Low speed USB 8-bit MCU with 3 endpoints

ST7262xxx
Low speed USB 8-bit MCU with 3 endpoints, Flash or
ROM memory, LVD, WDG, 10-bit ADC, 2 timers, SCI, SPI
Features
■ Memories
– 8 or 16 Kbyte Program memory
(ROM or Dual voltage FLASH)
with read-write protection
) _{– In-Application and In-Circuit Programming for}
t(s ^{FLASH versions}
c ^{– 384 to 768 bytes RAM (128-byte stack)}
u ■ Clock, Reset and Supply Management
d _{– Enhanced Reset System (Power On Reset)}
ro _{– Low Voltage Detector (LVD)}
P _{– Clock-out capability}
te ^{– 6 or 12 MHz Oscillator (8, 4, 2, 1 MHz internal}
frequencies)
le _{– 3 Power saving modes}
o _{■ USB (Universal Serial Bus) Interface}
bs – DMA for low speed applications compliant
with USB specification (version 2.0):
O _{– Integrated 3.3V voltage regulator and trans-}
- _ceivers
t(s) ^{– Suspend and Resume operations}
– 3 Endpoints
c _{■ Up to 31 I/O Ports}
u _{– Up to 31 multifunctional bidirectional I/O lines}
rod ^{– Up to 12 External interrupts (3 vectors)}
– 13 alternate function lines
P _{– 8 high sink outputs}
te ^{(8 mA@0.4 V/20 mA@1.3 V)}
le ^{– 2 true open drain pins (N buffer 8 mA@0.4 V)}
■ 3 Timers
so – Configurable watchdog timer (8 to 500 ms
b timeout)
O^{– 8-bit Auto Reload Timer (ART) with 2 Input}
SO20
PDIP20
SO34 shrink
PDIP32 shrink
LQFP44
PDIP42 shrink
■ Analog Peripheral
– 10-bit A/D Converter with up to 8 input pins.
■ 2 Communications Interfaces
– Asynchronous Serial Communication inter-
face
– Synchronous Serial Peripheral Interface
■ Instruction Set
– 8-bit data manipulation
– 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
– True bit manipulation
■ Nested interrupts
Captures, 2 PWM outputs and External Clock ■ Development Tools
– 8-bit Time Base Unit (TBU) for generating pe-
riodic interrupts cascadable with ART
– Full hardware/software development package
Device Summary
Features
Program memory - Kbytes
RAM (stack) - bytes
Peripherals
Serial I/O
I/Os
Operating Supply
Operating Temperature
Packages
ST72623F2
ST72621K4
ST72622L2
ST72621L4
ST72621J4
8
16
8
16
16
384 (128)
768 (128)
384 (128)
768 (128)
768 (128)
USB, Watchdog, Low Voltage Detector, 8-bit Auto-Reload timer, Timebase unit, A/D Converter
-
SPI + SCI
SPI
SPI + SCI
11
21
23
31
4.0V to 5.5V (Low voltage 3.0V to 5.5V ROM versions available)
0°C to +70°C
PDIP20/SO20
PDIP32
SO34
PDIP42/LQFP44
June 2009
Doc ID 6996 Rev 5
1/139
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