參數(shù)資料
型號： S3C72G9
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： The S3C72G9 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Samsung Arrangeable M
中文描述： 在S3C72G9單芯片CMOS微控制器是專門為高性能三星則采用最新的4位CPU核心，SAM47（三星Arrangeable M
文件頁數(shù)： 6/38頁
文件大?。?/td> 196K
代理商： S3C72G9
PRODUCT OVERVIEW
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
1
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6
POWER DOWN
To reduce power consumption, there are two power-down modes: idle and stop. The IDLE instruction initiates idle
mode and the STOP instruction initiates stop mode.
In idle mode, only the CPU clock stops while peripherals and the oscillation source continue to operate normally.
Stop mode effects only the main system clock —a subsystem clock, if used, continues oscillating. In stop mode,
main system clock oscillation stops completely, halting all operations except for a few basic peripheral functions.
RESET
or an interrupt can be used to terminate either idle or stop mode.
RESET
When a
RESET
signal occurs during normal operation or during power-down mode, the CPU enters idle mode
when the reset operation is initiated. When the standard oscillation stabilization interval (31.3 ms at 4.19 MHz)
has elapsed, normal CPU operation resumes.
I/O PORTS
The S3C72M5/C72M7/C72M9 has 13 I/O ports. Pin addresses for all I/O ports are mapped in bank 15 of the
RAM. There are 4 input pins and 47 configurable I/O pins for a total of 51 I/O pins. The contents of I/O port pin
latches can be read, written, or tested at the corresponding address using bit manipulation instructions.
TIMERS and TIMER/COUNTERS
The timer function has four main components: an 8-bit basic interval timer, an 8-bit timer/counter, a 16-bit
timer/counter and a watch timer. The 8-bit basic timer generates interrupt requests at precise intervals, based on
the selected clock frequency and has watch-dog timer function.
The programmable 8-bit and 16-bit timer/counters are used for external event counting, generation of arbitrary
clock frequencies for output, and dividing external clock signals. The 16-bit timer/counter is the source of the
clock signal that is required to drive the serial I/O interface and configurable as two 8-bit timer/counters.
The watch timer has an 8-bit watch timer mode register, a clock selector and a frequency divider circuit. Its
functions include real-time and watch-time measurement, clock generation for the LCD controller and frequency
outputs for buzzer sound.
相關(guān)PDF資料
PDF描述
S3C72B5 The S3C72B5/C72B7/C72B9 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Samsung A
S3C72B7 The S3C72B5/C72B7/C72B9 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Samsung A
S3C72B9 Relay Socket Module RoHS Compliant: Yes
S3C72C8 Relay Socket Module RoHS Compliant: Yes
S3C72E8 The S3C72E8/P72E8 is a SAM47 core-based 4-bit CMOS single-chip microcontroller. It has a timer/counter and LCD drivers.
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S3C72H8 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:The S3C72H8 single-chip CMOS microcontroller has been designed for very high performance using Samsungs state-of-the-art 4-bit product development app
S3C72I9 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:The S3C72I9 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Samsung Arrangeable M
S3C72K8 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:singl-chip CMOS microcontroller
S3C72M5 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:single-chip CMOS microcontroller
S3C72M7 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:single-chip CMOS microcontroller
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