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ST72621K4 PDF 데이터시트 ( Data , Function )

부품번호 ST72621K4 기능
기능 LOW SPEED USB 8-BIT MCU
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ST72621K4 데이터시트, 핀배열, 회로
ST7262xxx
Low speed USB 8-bit MCU with 3 endpoints, Flash or
ROM memory, LVD, WDG, 10-bit ADC, 2 timers, SCI, SPI
Features
Memories
– 8 or 16 Kbyte Program memory
(ROM or Dual voltage FLASH)
with read-write protection
– In-Application and In-Circuit Programming for
FLASH versions
– 384 to 768 bytes RAM (128-byte stack)
Clock, Reset and Supply Management
– Enhanced Reset System (Power On Reset)
– Low Voltage Detector (LVD)
– Clock-out capability
– 6 or 12 MHz Oscillator (8, 4, 2, 1 MHz internal
frequencies)
– 3 Power saving modes
USB (Universal Serial Bus) Interface
– DMA for low speed applications compliant
with USB specification (version 2.0):
– Integrated 3.3V voltage regulator and trans-
ceivers
– Suspend and Resume operations
– 3 Endpoints
Up to 31 I/O Ports
– Up to 31 multifunctional bidirectional I/O lines
– Up to 12 External interrupts (3 vectors)
– 13 alternate function lines
– 8 high sink outputs
(8 mA@0.4 V/20 mA@1.3 V)
– 2 true open drain pins (N buffer 8 mA@0.4 V)
3 Timers
– Configurable watchdog timer (8 to 500 ms
timeout)
– 8-bit Auto Reload Timer (ART) with 2 Input
Captures, 2 PWM outputs and External Clock
– 8-bit Time Base Unit (TBU) for generating pe-
riodic interrupts cascadable with ART
Device Summary
SO20
PDIP20
SO34 shrink
PDIP32 shrink
LQFP44
PDIP42 shrink
Analog Peripheral
– 10-bit A/D Converter with up to 8 input pins.
2 Communications Interfaces
– Asynchronous Serial Communication inter-
face
– Synchronous Serial Peripheral Interface
Instruction Set
– 8-bit data manipulation
– 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
– True bit manipulation
Nested interrupts
Development Tools
– Full hardware/software development package
Features
Program memory - Kbytes
RAM (stack) - bytes
Peripherals
Serial I/O
I/Os
Operating Supply
Operating Temperature
Packages
ST72623F2
ST72621K4
ST72622L2
ST72621L4
ST72621J4
8 16 8 16 16
384 (128)
768 (128)
384 (128)
768 (128)
768 (128)
USB, Watchdog, Low Voltage Detector, 8-bit Auto-Reload timer, Timebase unit, A/D Converter
-
SPI + SCI
SPI
SPI + SCI
11 21 23 31
4.0V to 5.5V (Low voltage 3.0V to 5.5V ROM versions available)
0°C to +70°C
PDIP20/SO20
PDIP32
SO34
PDIP42/LQFP44
June 2009
Doc ID 6996 Rev 5
1/139
1




ST72621K4 pdf, 반도체, 판매, 대치품
ST7262xxx
1 INTRODUCTION
The ST7262 and ST72F62 devices are members
of the ST7 microcontroller family designed for USB
applications.
All devices are based on a common industry-
standard 8-bit core, featuring an enhanced instruc-
tion set.
The ST7262 devices are ROM versions.
The ST72F62 versions feature dual-voltage
FLASH memory with FLASH Programming capa-
bility.
consumption when the application is in idle or
standby state.
The enhanced instruction set and addressing
modes of the ST7 offer both power and flexibility to
software developers, enabling the design of highly
efficient and compact application code. In addition
to standard 8-bit data management, all ST7 micro-
controllers feature true bit manipulation, 8x8 un-
signed multiplication and indirect addressing
modes.
Under software control, all devices can be placed
in WAIT, SLOW, or HALT mode, reducing power
Figure 1. General Block Diagram
OSCIN
OSCOUT
VDD
VSS
RESET
VDDA
VSSA
VPP
Internal
CLOCK
OSCILLATOR
LVD
POWER
SUPPLY
CONTROL
8-BIT CORE
ALU
USB DMA
PROGRAM
MEMORY
(8 or 16K Bytes)
RAM
(384,
or 768 Bytes)
10-BIT ADC
PORT A
SCI
PORT B
PWM ART
TIME BASE UNIT
USB SIE
PORT C
SPI
PORT D
WATCHDOG
PA7:0
(8 bits)
PB7:0
(8 bits)
USBDP
USBDM
USBVCC
PC7:0
(8 bits)
PD6:0
(7 bits)
4/139
1
Doc ID 6996 Rev 5

4페이지










ST72621K4 전자부품, 판매, 대치품
ST7262xxx
Figure 4. 20-pin SO20 Package Pinout
IT3 / AIN2 / PA2
IT2 / AIN1 / PA1
USBOE/ IT1 / AIN0/ PA0
VSS
USBDM
USBDP
USBVCC
VDD
VPP
RESET
1
2
3
4
5
6
7
8
9
10
20 PB0 (HS) / MCO
19 PB1 (HS)
18 PB2 (HS)
17 PB3 (HS) / ARTCLK
16 PB4 (HS) / ARTIC1 / IT5
15 PB5 (HS) / ARTIC2 / IT6 / ICCCLK
14 PB6 (HS) / PWM0 / IT7/ ICCDATA
13 PB7 (HS) / PWM1 / IT8
12 OSCOUT
11 OSCIN
Figure 5. 20-pin DIP20 Package Pinout
IT5 / ARTIC1 / PB4 (HS)
ARTCLK / PB3 (HS)
PB2 (HS)
PB1 (HS)
MCO / PB0 (HS)
IT3 / AIN2 / PA2
IT2 / AIN1/ PA1
USBOE / IT1 / AIN0 / PA0
VSS
USBDM
1
2
3
4
5
6
7
8
9
10
20 PB5 (HS) / ARTIC2 / IT6 / ICCCLK
19 PB6 (HS) / PWM0 / IT7/ICCDATA
18 PB7 (HS) / PWM1 / IT8
17 OSCOUT
16 OSCIN
15 RESET
14 VPP
13 VDD
12 USBVCC
11 USBDP
Doc ID 6996 Rev 5
7/139

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부품번호상세설명 및 기능제조사
ST72621K4

LOW SPEED USB 8-BIT MCU

STMicroelectronics
STMicroelectronics

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