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參數(shù)資料
| 型號： | MSP430C336IPJM |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 3.8 MHz, RISC MICROCONTROLLER, PQFP100 |
| 封裝： | PLASTIC, MS-022, QFP-100 |
| 文件頁數(shù)： | 2/42頁 |
| 文件大?。?/td> | 637K |
| 代理商： | MSP430C336IPJM |
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MSP430C33x, MSP430P337A
MIXED SIGNAL MICROCONTROLLERS
SLAS227A – OCTOBER 1999 – REVISED JUNE 2000
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
ROM memory organization
Int. Vector
24 kB ROM
1024B RAM
16b Per.
8b Per.
SFR
FFFFh
FFE0h
FFDFh
A000h
05FFh
0200h
01FFh
0100h
00FFh
0010h
000Fh
0000h
MSP430C336
Int. Vector
32 kB ROM
1024B RAM
16b Per.
8b Per.
SFR
FFFFh
FFE0h
FFDFh
8000h
05FFh
0200h
01FFh
0100h
00FFh
0010h
000Fh
0000h
MSP430C337
Int. Vector
32 kB OTP
or
EPROM
1024B RAM
16b Per.
8b Per.
SFR
FFFFh
FFE0h
FFDFh
8000h
05FFh
0200h
01FFh
0100h
00FFh
0010h
000Fh
0000h
MSP430P337A
PMS430E337A
peripherals
Peripherals that are connected to the CPU through a data, address, and controls bus can be handled easily with
instructions for memory manipulation.
oscillator and system clock
Two clocks are used in the system: the system (master) clock (MCLK) and the auxiliary clock (ACLK). The MCLK
is a multiple of the ACLK. The ACLK runs with the crystal oscillator frequency. The special design of the oscillator
supports the feature of low current consumption and the use of a 32 768 Hz crystal. The crystal is connected
across two terminals without any other external components required.
The oscillator starts after applying VCC, due to a reset of the control bit (OscOff) in the status register (SR). It
can be stopped by setting the OscOff bit to a 1. The enabled clock signals ACLK, ACLK/2, ACLK/4, or MCLK
are accessible for use by external devices at output terminal XBUF.
The controller system clocks have to deal with different requirements according to the application and system
condition. Requirements include:
D High frequency in order to react quickly to system hardware requests or events
D Low frequency in order to minimize current consumption, EMI, etc.
D Stable frequency for timer applications e.g., real-time clock (RTC)
D Enable start-stop operation with minimum delay to operation function
These requirements cannot all be met with fast frequency high-Q crystals or with RC-type low-Q oscillators. This
compromise and selected for the MSP430, uses a low-crystal frequency, which is multiplied to achieve the
desired nominal operating range:
f
(system) + (N ) 1)
f
(
crystal)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSP430C336PJM | 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLERS |
| MSP430C337 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLERS |
| MSP430C337HFD | 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLERS |
| MSP430C337IPJM | 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLERS |
| MSP430C337PJM | 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLERS |
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