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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉锛� | AT89C51RB2-3CSIM |
| 寤犲晢锛� | Atmel |
| 鏂囦欢闋佹暩(sh霉)锛� | 105/127闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC 8051 MCU FLASH 16K 40DIP |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 9 |
| 绯诲垪锛� | 89C |
| 鏍稿績铏曠悊鍣細 | 8051 |
| 鑺珨灏哄锛� | 8-浣� |
| 閫熷害锛� | 60MHz |
| 閫ｉ€氭€э細 | SPI锛孶ART/USART |
| 澶栧湇瑷�(sh猫)鍌欙細 | POR锛孭WM锛學DT |
| 杓稿叆/杓稿嚭鏁�(sh霉)锛� | 32 |
| 绋嬪簭瀛樺劜鍣ㄥ閲忥細 | 16KB锛�16K x 8锛� |
| 绋嬪簭瀛樺劜鍣ㄩ鍨嬶細 | 闁冨瓨 |
| RAM 瀹归噺锛� | 1.25K x 8 |
| 闆诲 - 闆绘簮 (Vcc/Vdd)锛� | 2.7 V ~ 5.5 V |
| 鎸暕鍣ㄥ瀷锛� | 澶栭儴 |
| 宸ヤ綔婧害锛� | -40°C ~ 85°C |
| 灏佽/澶栨锛� | 40-DIP锛�0.600"锛�15.24mm锛� |
| 鍖呰锛� | 绠′欢 |
| 閰嶇敤锛� | AT89STK-11-ND - KIT STARTER FOR AT89C51RX2 |
绗�1闋�绗�2闋�绗�3闋�绗�4闋�绗�5闋�绗�6闋�绗�7闋�绗�8闋�绗�9闋�绗�10闋�绗�11闋�绗�12闋�绗�13闋�绗�14闋�绗�15闋�绗�16闋�绗�17闋�绗�18闋�绗�19闋�绗�20闋�绗�21闋�绗�22闋�绗�23闋�绗�24闋�绗�25闋�绗�26闋�绗�27闋�绗�28闋�绗�29闋�绗�30闋�绗�31闋�绗�32闋�绗�33闋�绗�34闋�绗�35闋�绗�36闋�绗�37闋�绗�38闋�绗�39闋�绗�40闋�绗�41闋�绗�42闋�绗�43闋�绗�44闋�绗�45闋�绗�46闋�绗�47闋�绗�48闋�绗�49闋�绗�50闋�绗�51闋�绗�52闋�绗�53闋�绗�54闋�绗�55闋�绗�56闋�绗�57闋�绗�58闋�绗�59闋�绗�60闋�绗�61闋�绗�62闋�绗�63闋�绗�64闋�绗�65闋�绗�66闋�绗�67闋�绗�68闋�绗�69闋�绗�70闋�绗�71闋�绗�72闋�绗�73闋�绗�74闋�绗�75闋�绗�76闋�绗�77闋�绗�78闋�绗�79闋�绗�80闋�绗�81闋�绗�82闋�绗�83闋�绗�84闋�绗�85闋�绗�86闋�绗�87闋�绗�88闋�绗�89闋�绗�90闋�绗�91闋�绗�92闋�绗�93闋�绗�94闋�绗�95闋�绗�96闋�绗�97闋�绗�98闋�绗�99闋�绗�100闋�绗�101闋�绗�102闋�绗�103闋�绗�104闋�鐣�(d膩ng)鍓嶇105闋�绗�106闋�绗�107闋�绗�108闋�绗�109闋�绗�110闋�绗�111闋�绗�112闋�绗�113闋�绗�114闋�绗�115闋�绗�116闋�绗�117闋�绗�118闋�绗�119闋�绗�120闋�绗�121闋�绗�122闋�绗�123闋�绗�124闋�绗�125闋�绗�126闋�绗�127闋�
79
AT89C51RB2/RC2
4180E鈥�8051鈥�10/06
ONCE Mode (ON
Chip Emulation)
The ONCE mode facilitates testing and debugging of systems using AT89C51RB2/RC2
without removing the circuit from the board. The ONCE mode is invoked by driving cer-
tain pins of the AT89C51RB2/RC2; the following sequence must be exercised:
Pull ALE low while the device is in reset (RST high) and PSEN is high.
Hold ALE low as RST is deactivated.
While the AT89C51RB2/RC2 is in ONCE mode, an emulator or test CPU can be used to
drive the circuit. Table 61 shows the status of the port pins during ONCE mode.
Normal operation is restored when normal reset is applied.
Table 61. External Pin Status during ONCE Mode
ALE
PSEN
Port 0
Port 1
Port 2
Port 3
XTAL1/2
Weak pull-up
Float
Weak pull-up
Active
鐩搁棞(gu膩n)PDF璩囨枡 |
PDF鎻忚堪 |
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鐩搁棞(gu膩n)浠ｇ悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉) |
鍙冩暩(sh霉)鎻忚堪 |
|---|---|
| AT89C51RB2-3CSUL | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 8-bit 16K Flash C51RB2 RoHS:鍚� 鍒堕€犲晢:Silicon Labs 鏍稿績:8051 铏曠悊鍣ㄧ郴鍒�:C8051F39x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:8 bit 鏈€澶ф檪閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:16 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:1 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:1.8 V to 3.6 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:QFN-20 瀹夎棰�(f膿ng)鏍�:SMD/SMT |
| AT89C51RB2-3CSUM | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU C51RB2 FLASH 5V 16k ind RoHS:鍚� 鍒堕€犲晢:Silicon Labs 鏍稿績:8051 铏曠悊鍣ㄧ郴鍒�:C8051F39x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:8 bit 鏈€澶ф檪閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:16 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:1 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:1.8 V to 3.6 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:QFN-20 瀹夎棰�(f膿ng)鏍�:SMD/SMT |
| AT89C51RB2L1-RLTUL | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU Microcontroller RoHS:鍚� 鍒堕€犲晢:Silicon Labs 鏍稿績:8051 铏曠悊鍣ㄧ郴鍒�:C8051F39x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:8 bit 鏈€澶ф檪閻橀牷鐜�:50 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:16 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:1 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:1.8 V to 3.6 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:QFN-20 瀹夎棰�(f膿ng)鏍�:SMD/SMT |
| AT89C51RB2-RLRIL | 鍔熻兘鎻忚堪:IC MCU FLASH 8051 16K 3V 44-VQFP RoHS:鍚� 椤炲垾:闆嗘垚闆昏矾 (IC) >> 宓屽叆寮� - 寰帶鍒跺櫒锛� 绯诲垪:89C 妯�(bi膩o)婧�(zh菙n)鍖呰:1,500 绯诲垪:AVR® ATtiny 鏍稿績铏曠悊鍣�:AVR 鑺珨灏哄:8-浣� 閫熷害:16MHz 閫ｉ€氭€�:I²C锛孡IN锛孲PI锛孶ART/USART锛孶SI 澶栧湇瑷�(sh猫)鍌�:娆犲妾㈡脯/寰�(f霉)浣�锛孭OR锛孭WM锛屾韩搴﹀偝鎰熷櫒锛學DT 杓稿叆/杓稿嚭鏁�(sh霉):16 绋嬪簭瀛樺劜鍣ㄥ閲�:8KB锛�4K x 16锛� 绋嬪簭瀛樺劜鍣ㄩ鍨�:闁冨瓨 EEPROM 澶у皬:512 x 8 RAM 瀹归噺:512 x 8 闆诲 - 闆绘簮 (Vcc/Vdd):2.7 V ~ 5.5 V 鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒:A/D 11x10b 鎸暕鍣ㄥ瀷:鍏�(n猫i)閮� 宸ヤ綔婧害:-40°C ~ 125°C 灏佽/澶栨:20-SOIC锛�0.295"锛�7.50mm 瀵級 鍖呰:甯跺嵎 (TR) |
| AT89C51RB2-RLRIM | 鍔熻兘鎻忚堪:IC MCU FLASH 8051 16K 5V 44-VQFP RoHS:鍚� 椤炲垾:闆嗘垚闆昏矾 (IC) >> 宓屽叆寮� - 寰帶鍒跺櫒锛� 绯诲垪:89C 鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″:MCU Product Line Introduction AVR® UC3 Introduction 妯�(bi膩o)婧�(zh菙n)鍖呰:2,500 绯诲垪:AVR®32 UC3 B 鏍稿績铏曠悊鍣�:AVR 鑺珨灏哄:32-浣� 閫熷害:60MHz 閫ｉ€氭€�:I²C锛孖rDA锛孲PI锛孲SC锛孶ART/USART锛孶SB 澶栧湇瑷�(sh猫)鍌�:娆犲妾㈡脯/寰�(f霉)浣�锛孌MA锛孭OR锛孭WM锛學DT 杓稿叆/杓稿嚭鏁�(sh霉):28 绋嬪簭瀛樺劜鍣ㄥ閲�:128KB锛�128K x 8锛� 绋嬪簭瀛樺劜鍣ㄩ鍨�:闁冨瓨 EEPROM 澶у皬:- RAM 瀹归噺:32K x 8 闆诲 - 闆绘簮 (Vcc/Vdd):1.65 V ~ 1.95 V 鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒:A/D 6x10b 鎸暕鍣ㄥ瀷:鍏�(n猫i)閮� 宸ヤ綔婧害:-40°C ~ 85°C 灏佽/澶栨:48-TQFP 鍖呰:甯跺嵎 (TR) 閰嶇敤:ATSTK600-TQFP48-ND - STK600 SOCKET/ADAPTER 48-TQFPATAVRONEKIT-ND - KIT AVR/AVR32 DEBUGGER/PROGRMMRATEVK1101-ND - KIT DEV/EVAL FOR AVR32 AT32UC3B 鍏跺畠鍚嶇ū:AT32UC3B1128-AUR-NDAT32UC3B1128-AURTR |
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