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ST7263BKx Datasheet(PDF) 11 Page - STMicroelectronics

No. de pieza ST7263BKx
Descripción Electrónicos  Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI and I짼C
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ST7263BKx Datasheet(HTML) 11 Page - STMicroelectronics

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ST7263Bxx
Introduction
Doc ID 7516 Rev 8
11/186
1
Introduction
The ST7263B microcontrollers form a sub-family of the ST7 MCUs dedicated to USB
applications. The devices are based on an industry-standard 8-bit core and feature an
enhanced instruction set. They operate at a 24 MHz or 12 MHz oscillator frequency. Under
software control, the ST7263B MCUs may be placed in either Wait or Halt modes, thus
reducing power consumption. The enhanced instruction set and addressing modes afford
real programming potential. In addition to standard 8-bit data management, the ST7263B
MCUs feature true bit manipulation, 8x8 unsigned multiplication and indirect addressing
modes. The devices include an ST7 core, up to 32 Kbytes of program memory, up to
1024 bytes of RAM, 27 I/O lines and the following on-chip peripherals:
USB low speed interface with 3 endpoints with programmable in/out configuration using
the DMA architecture with embedded 3.3 V voltage regulator and transceivers (no
external components are needed).
8-bit analog-to-digital converter (ADC) with 12 multiplexed analog inputs
Industry standard asynchronous SCI serial interface
Watchdog
16-bit Timer featuring an External clock input, 2 input Captures, 2 output Compares
with Pulse Generator capabilities
Fast I²C multimaster interface
Low voltage reset (LVD) ensuring proper power-on or power-off of the device
The ST72F63B devices are Flash versions. They support programming in IAP mode (In-
application programming) via the on-chip USB interface.
Table 2.
Device overview
Features
ST7263BHx
ST7263BDx
ST7263BKx
ST7263BEx
Program
memory -
Kbytes (Flash /
ROM)
32
16
8
32
32
16
8
4
32
16
8
4
RAM (stack) -
bytes
1024
(128)
512
(128)
384
(128)
1024 (128)
1024
(128
512
(128)
384
(128)
384
(128
1024
(128)
512
(128)
384
(128)
384
(128)
Standard
Peripherals
Watchdog timer, 16-bit timer, USB
Other
Peripherals
SCI, I²C, ADC
SCI,
AD
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.
0°C to +70°C
Packages
LQFP48 (7x7)
QFN40
(6x6)
SDIP32/
SO34
QFN40
(6x6)
SDIP32/
SO34
SO24


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