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| 鍨嬭櫉锛� | PIC18LF2520-I/ML |
| 寤犲晢锛� | Microchip Technology |
| 鏂囦欢闋佹暩(sh霉)锛� | 128/151闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC PIC MCU FLASH 16KX16 28QFN |
| 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� | 61 |
| 绯诲垪锛� | PIC® 18F |
| 鏍稿績铏曠悊鍣細 | PIC |
| 鑺珨灏哄锛� | 8-浣� |
| 閫熷害锛� | 40MHz |
| 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�锛孒LVD锛孭OR锛孭WM锛學DT |
| 杓稿叆/杓稿嚭鏁�(sh霉)锛� | 25 |
| 绋嬪簭瀛樺劜鍣ㄥ閲忥細 | 32KB锛�16K x 16锛� |
| 绋嬪簭瀛樺劜鍣ㄩ鍨嬶細 | 闁冨瓨 |
| EEPROM 澶�?銆�?/td> | 256 x 8 |
| RAM 瀹归噺锛� | 1.5K x 8 |
| 闆诲 - 闆绘簮 (Vcc/Vdd)锛� | 2 V ~ 5.5 V |
| 鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒锛� | A/D 10x10b |
| 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-VQFN 瑁搁湶鐒婄洡 |
| 鍖呰锛� | 绠′欢 |
| 鐢�(ch菐n)鍝佺洰閷勯爜闈細 | 643 (CN2011-ZH PDF) |
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2011-2012 Microchip Technology Inc.
Preliminary
DS41579C-page 395
PIC16(L)F1782/3
TABLE 30-17: I2C BUS DATA REQUIREMENTS
Param.
No.
Symbol
Characteristic
Min.
Max.
Units
Conditions
SP100* THIGH
Clock high time
100 kHz mode
4.0
鈥�
s
Device must operate at a
minimum of 1.5 MHz
400 kHz mode
0.6
鈥�
s
Device must operate at a
minimum of 10 MHz
SSP module
1.5TCY
鈥�
SP101* TLOW
Clock low time
100 kHz mode
4.7
鈥�
s
Device must operate at a
minimum of 1.5 MHz
400 kHz mode
1.3
鈥�
s
Device must operate at a
minimum of 10 MHz
SSP module
1.5TCY
鈥�
SP102* TR
SDA and SCL rise
time
100 kHz mode
鈥�
1000
ns
400 kHz mode
20 + 0.1CB
300
ns
CB is specified to be from
10-400 pF
SP103* TF
SDA and SCL fall
time
100 kHz mode
鈥�
250
ns
400 kHz mode
20 + 0.1CB
250
ns
CB is specified to be from
10-400 pF
SP106* THD:DAT
Data input hold time 100 kHz mode
0
鈥�
ns
400 kHz mode
0
0.9
s
SP107* TSU:DAT
Data input setup
time
100 kHz mode
250
鈥�
ns
(Note 2)
400 kHz mode
100
鈥�
ns
SP109* TAA
Output valid from
clock
100 kHz mode
鈥�
3500
ns
(Note 1)
400 kHz mode
鈥�
ns
SP110* 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
SP111
CB
Bus capacitive loading
鈥�
400
pF
* These parameters are characterized but not tested.
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 TSU:DAT
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.
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