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STMicroelectronics Electronic Components Datasheet

ST7263BDX Datasheet

Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM

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ST7263BHx ST7263BDx
ST7263BKx ST7263BEx
Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM,
DFU capability, 8-bit ADC, WDG, timer, SCI and I²C
Features
Memories
– 4, 8, 16 or 32 Kbytes Program memory:
high density Flash (HDFlash), or ROM with
Readout and Write Protection
– In-application Programming (IAP) and in-
circuit 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)
Universal serial bus (USB) interface
– DMA for low speed applications compliant
with USB 1.5 Mbs (version 2.0) and HID
specifications (version 1.0)
– Integrated 3.3 V voltage regulator and
transceivers
– Supports USB DFU class specification
– Suspend and Resume operations
– 3 endpoints with programmable In/Out
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
interrupt inputs
1 analog peripheral
– 8-bit A/D converter with 8 or 12 channels
2 timers
– Programmable watchdog
– 16-bit timer with 2 input Captures, 2 output
Compares, PWM output and clock input
SDIP32
LQFP48 (7x7)
24
SO34(Shrink)
1
SO24
QFN40 (6x6)
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, archiver, source level debugger,
software library, hardware emulator,
programming boards and gang
programmers, HID and DFU software
layers
Table 1. Device summary
Reference
Part number
ST7263BHx
ST7263BH2, ST7263BH6
ST7263BDx
ST7263BKx
ST7263BD6
ST7263BK1, ST7263BK2,
ST7263BK4, ST7263BK6
ST7263BEx
ST7263BE1, ST7263BE2,
ST7263BE4, ST7263BE6
June 2009
Doc ID 7516 Rev 8
www.st.com
1/186
1


STMicroelectronics Electronic Components Datasheet

ST7263BDX Datasheet

Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM

No Preview Available !

Contents
Contents
www.DaStaTS7h2e6e3t4BUx.cxom
1
2
3
4
5
6
2/186
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.1 RESET signal (bidirectional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.2 OSCIN/OSCOUT: input/output oscillator pin . . . . . . . . . . . . . . . . . . . . . . 13
2.3 VDD/VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.4 VDDA/VSSA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.5 Alternate functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Register and memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Flash program memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.2 Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.3 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.3.1 Readout protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.4 ICC interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.5 ICP (in-circuit programming) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.6 IAP (in-application programming) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.7 Related documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.8 Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Central processing unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.2 Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.3 CPU registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Reset and clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.1 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.1.1 Low voltage detector (LVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.1.2 Watchdog reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.1.3 External reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.2 Clock system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Doc ID 7516 Rev 8


Part Number ST7263BDX
Description Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM
Maker STMicroelectronics
Total Page 30 Pages
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