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鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� AT89C51ID2-SLRUM
寤犲晢锛� Atmel
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 71/157闋�(y猫)
鏂囦欢澶�?銆�?/td> 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(ch菙)鍣ㄥ閲忥細 64KB锛�64K x 8锛�
绋嬪簭瀛樺劜(ch菙)鍣ㄩ(l猫i)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�(xi脿n)锛�
鍖呰锛� 妯�(bi膩o)婧�(zh菙n)鍖呰
鍏跺畠鍚嶇ū(ch膿ng)锛� AT89C51ID2-SLRUMDKR
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20
AT89C51ID2
4289C鈥�8051鈥�11/05
鈥揊
CLK CPU and FCLK PERIPH, for CKRL鈮�0xFF
In X2 Mode:
In X1 Mode:
Timer 0: Clock Inputs
Figure 1. Timer 0: Clock Inputs
Note:
The SCLKT0 bit in OSCCON register allows to select Timer 0 Subsidiary clock.
SCLKT0 = 0: Timer 0 uses the standard T0 pin as clock input (Standard mode)
SCLKT0 = 1: Timer 0 uses the special Sub Clock as clock input, this feature can be use
as periodic interrupt for time clock.
F
CPU
F
=
CLKPERIPH
F
OSCA
2255
CKRL
鈥�
()
----------------------------------------------
=
F
CPU
F
=
CLKPERIPH
F
OSCA
4255
CKRL
鈥�
()
----------------------------------------------
=
SCLKT0
1
0
FCLK PERIPH
:6
T0 pin
C/T
1
0
OSCCON
TMOD
Gate
INT0
TR0
Timer 0
Control
Sub Clock
(AT 8xC51Ix2 only)
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