September 2001
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This is preliminary information on a new product now in development. Details are subject to change without notice.
Rev. 2.0
ST7265
LOW-POWER, FULL-SPEED USB 8-BIT MCU WITH 32K
FLASH, 5K RAM, FLASH CARD I/F, TIMER, PWM, ADC, I2C
PRODUCT PREVIEW
s
Memories
– Up to 32K of ROM or High Density Flash (HD-
Flash) program memory with read/write pro-
tection
– For HDFlash devices, In-Application Pro-
gramming (IAP) via USB and In-Circuit pro-
gramming (ICP)
– Up to 5 Kbytes of RAM with up to 256 bytes
stack
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Clock, Reset and Supply Management
– PLL for generating 48 MHz USB clock using a
12 MHz crystal
– Low Voltage Reset (optional)
– Dual supply management: analog voltage de-
tector on the USB power line to enable smart
power switching from USB power to battery.
– Programmable Internal Voltage Regulator for
Memory cards (2.4V to 3.3V) supplying:
Flash Card I/O lines (voltage shifting)
Up to 50 mA for Flash card supply
– Clock-out capability
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47 programmable I/O lines
– 15 high sink I/Os (10mA at 1V)
– 5 true open drain outputs
– 24 lines programmable as interrupt inputs
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USB (Universal Serial Bus) Interface
– with DMA for full speed bulk applications com-
pliant with USB 12 Mbs specification (version
1.1)
– On-Chip 3.3V USB voltage regulator and
transceivers with software power-down
– 5 USB endpoints:
1 control endpoint
2 IN endpoints supporting interrupt and bulk
2 OUT endpoints supporting interrupt and
bulk
– Hardware conversion between USB bulk
packets and 512-byte blocks
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Mass Storage Interface
– DTC (Data Transfer Coprocessor): Universal
Serial/Parallel communications interface, with
software plug-ins for current and future proto-
col standards:
16-bit IDE mode Compact Flash
Multimedia Card (MMC protocol)
SmartMediaCard
Secure Digital Card
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2 Timers
– Configurable Watchdog for system reliability
– 16-bit Timer with 2 output compare functions.
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2 Communications Interfaces
– SPI synchronous serial interface
–I
2C Single Master Interface up to 400 KHz
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D/A and A/D Peripherals
– PWM/BRM Generator (with 2 10-bit PWM/
BRM outputs)
– 8-bit A/D Converter (ADC) with 8 channels
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Instruction Set
– 8-bit data manipulation
– 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
– True bit manipulation
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Development Tools
– Full hardware/software development package
Device Summary
TQFP64 10x10
TQFP64 14x14
Features
ST72651
ST72F651
ST72652
ST72F652
Program memory
32K ROM
32K FLASH
16K ROM
16K FLASH
User RAM (stack) - bytes
5K (256)
1K (256)
Peripherals
USB, DTC, Timer, ADC, SPI, I2C, PWM
USB, DTC, Timer
Operating Supply
Dual 2.7V to 5.5V or 4.0V to 5.5V (for USB)
Single 4.0V to 5.5V
CPU Frequency
6 or 3 MHz (8 MHz in USB mode)
8, 6 or 3 MHz
Package
TQFP 64 (10 x10 or 14 x14)
TQFP64 (14 x14)
Operating Temperature
0
°Cto +70°C
1