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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉(h脿o)锛� | PIC16LF1903-I/SS |
| 寤犲晢锛� | Microchip Technology |
| 鏂囦欢闋�(y猫)鏁�(sh霉)锛� | 21/240闋�(y猫) |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | MCU 7KB FLASH LCD DVR 28-SSOP |
| 鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� | 8-bit PIC® Microcontroller Portfolio |
| 鐗硅壊鐢�(ch菐n)鍝侊細 | PIC16LF190X CMOS MCUs |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 47 |
| 绯诲垪锛� | PIC® XLP™ 16F |
| 鏍稿績铏曠悊鍣細 | PIC |
| 鑺珨灏哄锛� | 8-浣� |
| 閫熷害锛� | 20MHz |
| 澶栧湇瑷�(sh猫)鍌欙細 | 娆犲妾㈡脯(c猫)/寰�(f霉)浣嶏紝LCD锛孭OR锛孭WM锛學DT |
| 杓稿叆/杓稿嚭鏁�(sh霉)锛� | 25 |
| 绋嬪簭瀛樺劜(ch菙)鍣ㄥ閲忥細 | 7KB锛�4K x 14锛� |
| 绋嬪簭瀛樺劜(ch菙)鍣ㄩ鍨嬶細 | 闁冨瓨 |
| RAM 瀹归噺锛� | 256 x 8 |
| 闆诲 - 闆绘簮 (Vcc/Vdd)锛� | 1.8 V ~ 3.6 V |
| 鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒锛� | A/D 11x10b |
| 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� | 28-SSOP锛�0.209"锛�5.30mm 瀵級 |
| 鍖呰锛� | 绠′欢 |
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2011 Microchip Technology Inc.
Preliminary
DS41455B-page 117
PIC16LF1902/3
TABLE 15-1:
ADC CLOCK PERIOD (TAD) VS. DEVICE OPERATING FREQUENCIES
FIGURE 15-2:
ANALOG-TO-DIGITAL CONVERSION TAD CYCLES
ADC Clock Period (TAD)
Device Frequency (FOSC)
ADC
Clock Source
ADCS<2:0>
20 MHz
16 MHz
8 MHz
4 MHz
1 MHz
FOSC/2
000
100 ns(2)
125 ns(2)
250 ns(2)
500 ns(2)
2.0
s
FOSC/4
100
200 ns(2)
250 ns(2)
500 ns(2)
1.0
s4.0 s
FOSC/8
001
400 ns(2)
0.5
s(2)
1.0
s2.0 s
8.0
s(3)
FOSC/16
101
800 ns
1.0
s2.0 s4.0 s
16.0
s(3)
FOSC/32
010
1.6
s2.0 s4.0 s
8.0
s(3)
32.0
s(3)
FOSC/64
110
3.2
s4.0 s
8.0
s(3)
16.0
s(3)
64.0
s(3)
FRC
x11
1.0-6.0
s(1,4)
1.0-6.0
s(1,4)
1.0-6.0
s(1,4)
1.0-6.0
s(1,4)
1.0-6.0
s(1,4)
Legend:
Shaded cells are outside of recommended range.
Note
1:
The FRC source has a typical TAD time of 1.6
s for VDD.
2:
These values violate the minimum required TAD time.
3:
For faster conversion times, the selection of another clock source is recommended.
4:
The ADC clock period (TAD) and total ADC conversion time can be minimized when the ADC clock is derived from the
system clock FOSC. However, the FRC clock source must be used when conversions are to be performed with the
device in Sleep mode.
TAD1 TAD2 TAD3 TAD4 TAD5 TAD6 TAD7 TAD8
TAD11
Set GO bit
Holding capacitor is disconnected from analog input (typically 100 ns)
TAD9 TAD10
TCY - TAD
ADRESH:ADRESL is loaded, GO bit is cleared,
ADIF bit is set, holding capacitor is connected to analog input.
Conversion starts
b0
b9
b6
b5
b4
b3
b2
b1
b8
b7
On the following cycle:
鐩搁棞(gu膩n)PDF璩囨枡 |
PDF鎻忚堪 |
|---|---|
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| VE-BT1-IX-F2 | CONVERTER MOD DC/DC 12V 75W |
| PIC16LF723A-I/SS | MCU PIC 4K FLASH XLP 28-SSOP |
| PIC16LF721-I/SO | MCU PIC 4K FLASH 20-SOIC |
鐩搁棞(gu膩n)浠ｇ悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉) |
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|---|---|
| PIC16LF1903T-I/ML | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 7KB FL 256B RAM LCD ADC nanoWatt XLP 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(ch菙)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 |
| PIC16LF1903T-I/MV | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 7KB FL 256B RAM LCD ADC nanoWatt XLP 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(ch菙)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 |
| PIC16LF1903T-I/SO | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 7KB FL 256B RAM LCD ADC nanoWatt XLP 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(ch菙)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 |
| PIC16LF1903T-I/SS | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 7KB FL 256B RAM LCD ADC nanoWatt XLP 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(ch菙)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 |
| PIC16LF1904-E/MV | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 7KB FL 256B RAM LCD nanoWatt XLP 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(ch菙)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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