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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉锛� | AT89C51ID2-SLRUM |
| 寤犲晢锛� | Atmel |
| 鏂囦欢闋佹暩(sh霉)锛� | 12/157闋� |
| 鏂囦欢澶у皬锛� | 0K |
| 鎻忚堪锛� | IC 8051 MCU 64K FLASH 44-PLCC |
| 鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� | MCU Product Line Introduction |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 500 |
| 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 | I²C锛孲PI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� | 34 |
| 绋嬪簭瀛樺劜鍣ㄥ閲忥細 | 64KB锛�64K x 8锛� |
| 绋嬪簭瀛樺劜鍣ㄩ鍨嬶細 | 闁冨瓨 |
| EEPROM 澶�?銆�?/td> | 2K x 8 |
| RAM 瀹归噺锛� | 2K 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� | 44-LCC锛圝 褰㈠紩绶氾級 |
| 鍖呰锛� | 妯�(bi膩o)婧�(zh菙n)鍖呰 |
| 鍏跺畠鍚嶇ū锛� | AT89C51ID2-SLRUMDKR |
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109
AT89C51ID2
4289C鈥�8051鈥�11/05
ONCE(TM) Mode (ON
Chip Emulation)
The ONCE mode facilitates testing and debugging of systems using AT89C51ID2 with-
out removing the circuit from the board. The ONCE mode is invoked by driving certain
pins of the AT89C51ID2; 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 AT89C51ID2 is in ONCE mode, an emulator or test CPU can be used to drive
the circuit Table 84 shows the status of the port pins during ONCE mode.
Normal operation is restored when normal reset is applied.
Table 84. External Pin Status during ONCE Mode
(a) "Once" is a registered trademark of Intel Corporation.
ALE
PSEN
Port 0
Port 1
Port 2
Port 3
Port I2
XTALA1/2
XTALB1/2
Weak
pull-up
Weak
pull-up
Float
Weak
pull-up
Weak
pull-up
Weak
pull-up
Float
Active
鐩搁棞(gu膩n)PDF璩囨枡 |
PDF鎻忚堪 |
|---|---|
| AT89C51ID2-RLRUM | IC 8051 MCU 64K FLASH 44-VQFP |
| AT32UC3A364-ALUR | IC MCU 64KB FLASH 144LQFP |
| DS80C310+FCG | IC MCU HI SPEED 25MHZ 44-MQFP |
| D38999/20WD5SN | CONN RCPT 5POS WALL MNT W/SCKT |
| ATMEGA6490-16AUR | MCU AVR 64KB FLASH 16MHZ 64TQFP |
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 |
|---|---|
| AT89C51ID2-SLSIM | 鍒堕€犲晢:ATMEL 鍒堕€犲晢鍏ㄧū:ATMEL Corporation 鍔熻兘鎻忚堪:8-bit Flash Microcontroller |
| AT89C51ID2-SLSUM | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 64K FLASH 32KHz 3.5-5V 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 |
| AT89C51ID2-SMSIM | 鍒堕€犲晢:ATMEL 鍒堕€犲晢鍏ㄧū:ATMEL Corporation 鍔熻兘鎻忚堪:8-bit Flash Microcontroller |
| AT89C51ID2-UM | 鍒堕€犲晢:ATMEL 鍒堕€犲晢鍏ㄧū:ATMEL Corporation 鍔熻兘鎻忚堪:8-bit Flash Microcontroller |
| AT89C51RB2 | 鍒堕€犲晢:ATMEL 鍒堕€犲晢鍏ㄧū:ATMEL Corporation 鍔熻兘鎻忚堪:8-bit Microcontroller with 16K/ 32K Bytes Flash |
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