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參數(shù)資料
| 型號(hào)： | SM5964 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8 - bit single chip microcontroller with 64KB flash & 1K byte RAM embedded |
| 中文描述： | 8 -位單片機(jī)具有64KB閃存 |
| 文件頁數(shù)： | 9/28頁 |
| 文件大小： | 539K |
| 代理商： | SM5964 |
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July 2002
Specifications subject to change without notice,contact your sales representatives for the most recent information.
9/28
PID 5964 07/02
SyncMOS Technologies Inc. SM5964
Ver 1.0
Data bank select enable bit BSE = 1 enables the data bank select function
Data bank select enable bit BSE = 0 disables the data bank select function
BS[3:0] setting will map $040~$07F RAM space to entire 1k byte on-chip RAM space.
Internal RAM Control Register (RCON, $85)
Note: “R” means reserved
SM5964 has 768 byte on-chip RAM which can be accessed by external memory addressing method only. (By instruc-
tion MOVX). The address space of instruction MOVX @Rn is determined by bit 1 and bit 0 (RAMS1, RAMS0) of
RCON. The default setting of RAMS1, RAMS0 bits is 00 (page0).
System Control Register (SCONF, $BF)
WDR: Watch Dog Timer Reset. When system reset by Watch Dog Timer overflow, WDR will be set to 1
ISPE: ISP function enable bit
OME: 768 byte on-chip RAM enable bit
ALEI: ALE output inhibit bit, to reduce EMI
Setting bit 0 (ALEI) of SCONF can inhibit the clock signal in Fosc/6Hz output to the ALE pin.
The bit 1 (OME) of SCONF can enable or disable the on-chip expanded 768 byte RAM. The default setting of OME bit is 1
(enable).
The bit 7 (WDR) of SCONF is Watch Dog Timer Reset bit. It will be set to 1 when reset signal generated by WDT overflow.
User should check WDR bit whenever unpredicted reset happened.
2. Port 4 for PLCC or QFP package :
The bit addressable port 4 is available with PLCC or QFP package. The port 4 has only 4 pins and its port address is
located at 0D8H. The function of port 4 is the same as the function of port 1, port 2 and port 3.
bit-7
bit-0
Read:
Write:
Reset value:
Unused
Unused
Unused
Unused
Unused
Unused
RAMS1
RAMS0
*
*
*
*
*
*
0
0
bit-7
bit-0
Read:
Write:
Reset value:
WDR
Unused
Unused
Unused
Unused
ISPE
OME
ALEI
0
*
*
*
*
0
1
0
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| SM5964_06 | 制造商:SYNCMOS 制造商全稱:SYNCMOS 功能描述:8-Bits Micro-controller 64KB ISP flash & 1KB RAM embedded |
| SM5964-43 | 制造商:STEALTH_MICROWAVE 制造商全稱:STEALTH_MICROWAVE 功能描述:5900-6400 MHz 20 Watt Power Amplifier |
| SM5964-45 | 制造商:STEALTH_MICROWAVE 制造商全稱:STEALTH_MICROWAVE 功能描述:5.925-6.425 GHz X Watt Linear Power Amplifier |
| SM5964A | 制造商:SYNCMOS 制造商全稱:SYNCMOS 功能描述:8-Bit Micro-controller With 64KB ISP Flash & TWSI & PWM & 1KB RAM embedded |
| SM5964AIHHKL | 制造商:SYNCMOS 制造商全稱:SYNCMOS 功能描述:8-Bit Micro-controller With 64KB ISP Flash & TWSI & PWM & 1KB RAM embedded |
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