ST7263BDX Datasheet, PDF (1/145 Pages) STMicroelectronics – Low speed USB 8-bit MCU family with up to 32K Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI & I²C

ST7263BDx ST7263BHx
ST7263BKx ST7263BE
Low speed USB 8-bit MCU family with up to 32K Flash/ROM,
DFU capability, 8-bit ADC, WDG, timer, SCI & I²C
■ Memories
– 4, 8, 16 or 32 Kbytes program memory: high
density Flash (HDFlash), FastROM or ROM
with Read-Out and Write protection
– In-application programming (IAP) and in-cir-
cuit programming (ICP)
– 384, 512 or 1024 bytes RAM memory (128-
byte stack)
■ 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)
■ USB (universal serial bus) Interface
– DMA for low speed applications compliant
with USB 1.5 Mbs (version 2.0) and HID spec-
ifications (version 1.0)
– Integrated 3.3 V voltage regulator and trans-
ceivers
– Supports USB DFU class specification
– Suspend and Resume operations
– 3 endpoints with programmable Input/Output
configuration
■ Up to 27 I/O ports
– Up to 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)
– Up to 8 lines individually programmable as in-
terrupt inputs
■ 1 analog peripheral
– 8-bit A/D converter with 8 or 12 channels
Table 1. Device summary
PSDIP32
LQFP48 (7x7)
SO34(Shrink)
SO24
QFN40 (6x6)
■ 2 timers
– Programmable watchdog
– 16-bit timer with 2 Input Captures, 2 Output
Compares, PWM output and clock input
■ 2 communication Interfaces
– Asynchronous serial communications Inter-
face
– I²C multimaster Interface up to 400 kHz
■ Instruction Set
– 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
– True bit manipulation
■ Development tools
– Versatile development tools (under Windows)
including assembler, linker, C-compiler, ar-
chiver, source level debugger, software li-
brary, hardware emulator, programming
boards and gang programmers, HID and DFU
software layers
Features
Program memory
(Flash / ROM) - bytes
RAM (stack) - bytes
Standard peripherals
ST7263BH2,
ST7263BH6
ST7263BD6 ^{ST7263BK1, ST7263BK2, ST7263BK4,}
ST7263BK6
ST7263BE1, ST7263BE2,
ST7263BE4, ST7263BE6
32K 16K 8K
32K
32K 16K
8K
4K 32K 16K 8K 4K
1024 512 384
(128) (128) (128)
1024
(128)
1024 512
(128) (128)
384
(128)
384 1024
(128) (128)
Watchdog timer, 16-bit timer, USB
512
(128)
384 384
(128) (128)
Other peripherals
SCI, I²C, ADC
SCI, ADC ADC
SCI, I²C
I/Os (high current)
27 (10)
19 (10)
14 (6)
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 temp.
Packages
LQFP48 (7x7)
QFN40
(6x6)
0 °C to +70 °C
SDIP32/
SO34
QFN40
(6x6)
SDIP32/SO34
SO24
Rev. 7.0
August 2007
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