900,000+ datasheet pdf search and download

Datasheet4U offers most rated semiconductors data sheet pdf




STMicroelectronics Electronic Components Datasheet

ST7265x Datasheet

FULL-SPEED USB 8-BIT MCU

No Preview Available !

ST7265xwww.DataSheet4U.com
LOW-POWER, FULL-SPEED USB 8-BIT MCU WITH 32K
FLASH, 5K RAM, FLASH CARD I/F, TIMER, PWM, ADC, I2C, SPI
DATASHEET
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
s Clock, Reset and Supply Management
– PLL for generating 48 MHz USB clock using a
12 MHz crystal
– Low Voltage Reset (except on E suffix devic-
es)
– Dual supply management: analog voltage de-
tector on the USB power line to enable smart
power switching from USB power to battery
(on E suffix devices).
– Programmable Internal Voltage Regulator for
Memory cards (2.8V to 3.5V) supplying:
Flash Card I/O lines (voltage shifting)
Up to 50 mA for Flash card supply
– Clock-out capability
s 47 programmable I/O lines
– 15 high sink I/Os (8mA @0.6V / 20mA@1.3V)
– 5 true open drain outputs
– 24 lines programmable as interrupt inputs
s USB (Universal Serial Bus) Interface
– with DMA for full speed bulk applications com-
pliant with USB 12 Mbs specification (version
2.0 compliant)
– 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
Device Summary
TQFP64 10x10 TQFP48 SO34 shrink
s Mass Storage Interface
– DTC (Data Transfer Coprocessor): Universal
Serial/Parallel communications interface, with
software plug-ins for current and future proto-
col standards:
Compact Flash - Multimedia Card -
Secure Digital Card - SmartMediaCard -
Sony Memory Stick - NAND Flash -
ATA Peripherals
s 2 Timers
– Configurable Watchdog for system reliability
– 16-bit Timer with 2 output compare functions.
s 2 Communication Interfaces
– SPI synchronous serial interface
– I2C Single Master Interface up to 400 KHz
s 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
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
Features
Program memory
User RAM (stack) - bytes
Peripherals
Operating Supply
Package
ST72651
ST72F651
ST72652
32K ROM
32K FLASH
16K ROM
5K (256)
512 (256)
USB, DTC, Timer, ADC, SPI, I2C, PWM, WDT
USB, DTC, WDT
Dual 2.7V to 5.5V or Dual 3.0V to 5.5V or
4.0V to 5.5V (for USB) 4.0V to 5.5V (for USB)
Single 4.0V to 5.5V
TQFP64 (10 x10)
TQFP64 (10 x10) / TQFP48 (7x7) / SO34
Operating Temperature
0°C to +70°C
June 2003
This is preliminary information on a new product. Details are subject to change without notice.
Rev. 2.3
1/166
1


STMicroelectronics Electronic Components Datasheet

ST7265x Datasheet

FULL-SPEED USB 8-BIT MCU

No Preview Available !

Table of Contents
1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .w.w.w. ..D.a.ta. S.h.e.e.t4.U..c. o. m. 4
2 PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 REGISTER & MEMORY MAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 8
4 FLASH PROGRAM MEMORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.2 MAIN FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.3 STRUCTURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.4 PROGRAM MEMORY READ-OUT PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.5 ICP (IN-CIRCUIT PROGRAMMING) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.6 IAP (IN-APPLICATION PROGRAMMING) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.7 RELATED DOCUMENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.8 REGISTER DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5 CENTRAL PROCESSING UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.2 MAIN FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.3 CPU REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6 SUPPLY, RESET AND CLOCK MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.1 CLOCK SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.2 RESET SEQUENCE MANAGER (RSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6.3 LOW VOLTAGE DETECTOR (LVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.4 POWER SUPPLY MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7 INTERRUPTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.2 MASKING AND PROCESSING FLOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.3 INTERRUPTS AND LOW POWER MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.4 CONCURRENT & NESTED MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.5 INTERRUPT REGISTER DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
8 POWER SAVING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
8.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
8.2 WAIT MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
8.3 HALT MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
9 I/O PORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
9.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
9.2 FUNCTIONAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
9.3 I/O PORT IMPLEMENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
9.4 REGISTER DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
10 MISCELLANEOUS REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
11 ON-CHIP PERIPHERALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
11.1 WATCHDOG TIMER (WDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
11.2 DATA TRANSFER COPROCESSOR (DTC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
11.3 USB INTERFACE (USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
11.4 16-BIT TIMER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
2/166
1


Part Number ST7265x
Description FULL-SPEED USB 8-BIT MCU
Maker STMicroelectronics
Total Page 30 Pages
PDF Download

ST7265x Datasheet PDF

View PDF for Mobile








Similar Datasheet

1 ST7265x FULL-SPEED USB 8-BIT MCU
STMicroelectronics





Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

Site map

Webmaste! click here

Contact us

Buy Components

Privacy Policy