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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉锛� | PIC16F87-I/P |
| 寤犲晢锛� | Microchip Technology |
| 鏂囦欢闋佹暩(sh霉)锛� | 122/200闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC MCU FLASH 4KX14 EEPROM 18DIP |
| 鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� | Asynchronous Stimulus 8-bit PIC® Microcontroller Portfolio |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 25 |
| 绯诲垪锛� | PIC® 16F |
| 鏍稿績铏曠悊鍣細 | PIC |
| 鑺珨灏哄锛� | 8-浣� |
| 閫熷害锛� | 20MHz |
| 閫ｉ€氭€э細 | I²C锛孲PI锛孶ART/USART |
| 澶栧湇瑷�(sh猫)鍌欙細 | 娆犲妾㈡脯/寰�(f霉)浣嶏紝POR锛孭WM锛學DT |
| 杓稿叆/杓稿嚭鏁�(sh霉)锛� | 16 |
| 绋嬪簭瀛樺劜鍣ㄥ閲忥細 | 7KB锛�4K x 14锛� |
| 绋嬪簭瀛樺劜鍣ㄩ鍨嬶細 | 闁冨瓨 |
| EEPROM 澶у皬锛� | 256 x 8 |
| RAM 瀹归噺锛� | 368 x 8 |
| 闆诲 - 闆绘簮 (Vcc/Vdd)锛� | 4 V ~ 5.5 V |
| 鎸暕鍣ㄥ瀷锛� | 鍏�(n猫i)閮� |
| 宸ヤ綔婧害锛� | -40°C ~ 85°C |
| 灏佽/澶栨锛� | 18-DIP锛�0.300"锛�7.62mm锛� |
| 鍖呰锛� | 绠′欢 |
| 鐢�(ch菐n)鍝佺洰閷勯爜闈細 | 640 (CN2011-ZH PDF) |
| 閰嶇敤锛� | ACICE0202-ND - ADAPTER MPLABICE 18P 300 MIL AC164010-ND - MODULE SKT PROMATEII DIP/SOIC |
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208
8008H鈥揂VR鈥�04/11
ATtiny48/88
22.3
Speed
The maximum operating frequency of the device is dependent on supply voltage, V
CC . The rela-
tionship between supply voltage and maximum operating frequency is piecewise linear, as
shown in Figure 22-1, the Maximum Frequency vs. V
CC curve is linear between 1.8V < VCC <
4.5V.
Figure 22-1. Maximum Operating Frequency vs. Supply Voltage
22.4
Clock Characterizations
22.4.1
Calibrated Internal Oscillator Accuracy
It is possible to manually calibrate the internal oscillator to be more accurate than default factory
calibration. Please note that the oscillator frequency depends on temperature and voltage. Volt-
age and temperature characteristics can be found in Figure 23-55 on page 246, Figure 23-56 on
Notes:
1. Accuracy of oscillator frequency at calibration point (fixed temperature and fixed voltage).
4 MHz
1.8V
5.5V
4.5V
12 MHz
2.7V
8 MHz
Table 22-1.
Calibration Accuracy of Internal Oscillator
Calibration
Method
Target Frequency
VCC
Temperature
Accuracy at given
Voltage & Temperature(1)
Factory Calibration
8.0 MHz
3V
25
掳C
卤10%
User Calibration
Fixed frequency within:
7.3 鈥� 8.1 MHz
Fixed voltage within:
1.8V 鈥� 5.5V
Fixed temperature within:
-40
掳C to +85掳C
卤1%
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 |
|---|---|
| PIC16F87T-E/ML | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 20MHz 4K Flash 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(sh铆)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 |
| PIC16F87T-E/SO | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 20MHz 4K Flash 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(sh铆)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 |
| PIC16F87T-E/SS | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 20MHz 4K Flash 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(sh铆)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 |
| PIC16F87T-I/ML | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 7KB 368 RAM 16 I/O 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(sh铆)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 |
| PIC16F87T-I/SO | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 7KB 368 RAM 16 I/O 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(sh铆)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 |
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