ST7263B Datasheet, PDF (1/132 Pages) STMicroelectronics – LOW SPEED USB 8-BIT MCU FAMILY WITH FLASH/ROM, UP TO 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I²C

ST7263B
LOW SPEED USB 8-BIT MCU FAMILY WITH FLASH/ROM,
UP TO 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I²C
s Memories
– 4, 8 or 16 Kbytes Program Memory: High
Density Flash (HDFlash) or ROM with Read-
out and Write Protection
– In-Application Programming (IAP) and In-Cir-
cuit programming (ICP) for HDFlash devices
– 384 or 512 bytes RAM memory (128-byte
stack)
s Clock, Reset and Supply Management
– Run, Wait, Slow and Halt CPU modes
– 12 or 24 MHz Oscillator
– RAM Retention mode
– Optional Low Voltage Detector (LVD)
s USB (Universal Serial Bus) Interface
– DMA for low speed applications compliant
with USB 1.5 Mbs (version 1.1) and HID spec-
ifications (version 1.0)
– Integrated 3.3 V voltage regulator and trans-
ceivers
– Suspend and Resume operations
– 3 Endpoints with programmable In/Out config-
uration
s 19 I/O Ports
– 8 high sink I/Os (10 mA at 1.3 V)
– 2 very high sink true open drain I/Os (25 mA
at 1.5 V)
– 8 lines individually programmable as interrupt
inputs
s 2 Timers
– Programmable Watchdog
– 16-bit Timer with 2 Input Captures, 2 Output
Compares, PWM output and clock input
PSDIP32
SO34 (Shrink)
s 2 Communication Interfaces
– Asynchronous Serial Communications Inter-
face (on K4 and K2 versions only)
– I²C Multi Master Interface up to 400 kHz
(on K4 versions only)
s 1 Analog Peripheral
– 8-bit A/D Converter (ADC) with 8 channels
s Instruction Set
– 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
– True bit manipulation
s Development Tools
– Versatile Development Tools (under Win-
dows) including assembler, linker, C-compil-
er, archiver, source level debugger, software
library, hardware emulator, programming
boards and gang programmers
Table 1. Device Summary
Features
Program Memory -bytes-
ST72F63BK4
16K
(Flash or FASTROM)
ST7263BK2
8K
(Flash, ROM or FASTROM)
ST7263BK1
4K
(Flash, ROM or FASTROM)
RAM (stack) - bytes
512 (128)
384 (128)
Peripherals
Watchdog timer, 16-bit tim-
Watchdog timer,
Watchdog, 16-bit timer, ADC,
er, SCI, I²C, ADC, USB 16-bit timer, SCI, ADC, USB
USB
Operating Supply
4.0 V to 5.5 V
CPU frequency
8 MHz (with 24 MHz oscillator) or 4 MHz (with 12 MHz oscillator)
Operating temperature
0 °C to +70 °C
Packages
SO34/SDIP32
April 2003
Rev. 1.5
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