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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉锛� | PIC16F874A-I/L |
| 寤犲晢锛� | Microchip Technology |
| 鏂囦欢闋佹暩(sh霉)锛� | 106/234闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC MCU FLASH 4KX14 EE 44PLCC |
| 鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� | Asynchronous Stimulus 8-bit PIC® Microcontroller Portfolio |
| 妯欐簴鍖呰锛� | 27 |
| 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�锛孭OR锛孭WM锛學DT |
| 杓稿叆/杓稿嚭鏁�(sh霉)锛� | 33 |
| 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�?銆�?/td> | 128 x 8 |
| RAM 瀹归噺锛� | 192 x 8 |
| 闆诲 - 闆绘簮 (Vcc/Vdd)锛� | 4 V ~ 5.5 V |
| 鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒锛� | A/D 8x10b |
| 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� | 绠′欢 |
| 鐢�(ch菐n)鍝佺洰閷勯爜闈細 | 640 (CN2011-ZH PDF) |
| 閰嶇敤锛� | AC164309-ND - MODULE SKT FOR PM3 44PLCC 444-1001-ND - DEMO BOARD FOR PICMICRO MCU 309-1040-ND - ADAPTER 44-PLCC ZIF TO 40-DIP 309-1039-ND - ADAPTER 44-PLCC TO 40-DIP |
| 鍏跺畠鍚嶇ū锛� | PIC16F874AI/L |
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PIC16F87XA
DS39582B-page 192
2003 Microchip Technology Inc.
TABLE 17-11: I2C BUS DATA REQUIREMENTS
Param
No.
Sym
Characteristic
Min
Max
Units
Conditions
100
THIGH
Clock High Time
100 kHz mode
4.0
鈥�
s
400 kHz mode
0.6
鈥�
s
SSP Module
0.5 TCY
鈥�
101
TLOW
Clock Low Time
100 kHz mode
4.7
鈥�
s
400 kHz mode
1.3
鈥�
s
SSP Module
0.5 TCY
鈥�
102
TR
SDA and SCL Rise
Time
100 kHz mode
鈥�
1000
ns
400 kHz mode
20 + 0.1 CB
300
ns
Cb is specified to be from 10 to
400 pF
103
TF
SDA and SCL Fall
Time
100 kHz mode
鈥�
300
ns
400 kHz mode
20 + 0.1 CB
300
ns
CB is specified to be from 10 to
400 pF
90
TSU:STA
Start Condition Setup
Time
100 kHz mode
4.7
鈥�
s
Only relevant for Repeated Start
condition
400 kHz mode
0.6
鈥�
s
91
THD:STA
Start Condition Hold
Time
100 kHz mode
4.0
鈥�
s
After this period, the first clock
pulse is generated
400 kHz mode
0.6
鈥�
s
106
THD:DAT
Data Input Hold Time
100 kHz mode
0
鈥�
ns
400 kHz mode
0
0.9
s
107
TSU:DAT
Data Input Setup Time 100 kHz mode
250
鈥�
ns
(Note 2)
400 kHz mode
100
鈥�
ns
92
TSU:STO
Stop Condition Setup
Time
100 kHz mode
4.7
鈥�
s
400 kHz mode
0.6
鈥�
s
109
TAA
Output Valid from
Clock
100 kHz mode
鈥�
3500
ns
(Note 1)
400 kHz mode
鈥�
ns
110
TBUF
Bus Free Time
100 kHz mode
4.7
鈥�
s
Time the bus must be free before
a new transmission can start
400 kHz mode
1.3
鈥�
s
CB
Bus Capacitive Loading
鈥�
400
pF
Note
1:
As a transmitter, the device must provide this internal minimum delay time to bridge the undefined region (min. 300 ns)
of the falling edge of SCL to avoid unintended generation of Start or Stop conditions.
2:
A fast mode (400 kHz) I2C bus device can be used in a standard mode (100 kHz) I2C bus system, but the requirement
that, TSU:DAT
鈮� 250 ns, must then be met. This will automatically be the case if the device does not stretch the LOW
period of the SCL signal. If such a device does stretch the LOW period of the SCL signal, it must output the next data bit
to the SDA line, TR MAX. + TSU:DAT = 1000 + 250 = 1250 ns (according to the standard mode I2C bus specification),
before the SCL line is released.
鐩搁棞(gu膩n)PDF璩囨枡 |
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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 |
|---|---|
| PIC16F874AIP | 鍒堕€犲晢:Microchip Technology Inc 鍔熻兘鎻忚堪: |
| PIC16F874AT-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ㄦ牸:SMD/SMT |
| PIC16F874AT-E/PT | 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ㄦ牸:SMD/SMT |
| PIC16F874AT-I/L | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 7KB 192 RAM 33 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ㄦ牸:SMD/SMT |
| PIC16F874AT-I/ML | 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 7KB 192 RAM 33 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ㄦ牸:SMD/SMT |
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