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鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� PIC18F45K80-I/ML
寤犲晢锛� Microchip Technology
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 247/351闋�(y猫)
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� MCU PIC 32KB FLASH 44QFN
鐢�(ch菐n)鍝佸煿瑷�(x霉n)妯″锛� 8-bit PIC® Microcontroller Portfolio
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 45
绯诲垪锛� PIC® XLP™ 18F
鏍稿績铏曠悊鍣細 PIC
鑺珨灏哄锛� 8-浣�
閫熷害锛� 64MHz
閫i€氭€э細 ECAN锛孖²C锛孡IN锛孲PI锛孶ART/USART
澶栧湇瑷�(sh猫)鍌欙細 娆犲妾㈡脯(c猫)/寰�(f霉)浣�锛孡VD锛孭OR锛孭WM锛學DT
杓稿叆/杓稿嚭鏁�(sh霉)锛� 35
绋嬪簭瀛樺劜(ch菙)鍣ㄥ閲忥細 32KB锛�16K x 16锛�
绋嬪簭瀛樺劜(ch菙)鍣ㄩ(l猫i)鍨嬶細 闁冨瓨
EEPROM 澶�?銆�?/td> 1K x 8
RAM 瀹归噺锛� 3.6K x 8
闆诲 - 闆绘簮 (Vcc/Vdd)锛� 1.8 V ~ 5.5 V
鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒锛� A/D 11x12b
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� 44-VQFN 瑁搁湶鐒婄洡(p谩n)
鍖呰锛� 绠′欢
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PIC18F66K80 FAMILY
DS39977F-page 320
2010-2012 Microchip Technology Inc.
21.4.8
I2C MASTER MODE START
CONDITION TIMING
To initiate a Start condition, the user sets the Start
Enable bit, SEN (SSPCON2<0>). If the SDA and SCL
pins are sampled high, the Baud Rate Generator is
reloaded with the contents of SSPADD<6:0> and starts
its count. If SCL and SDA are both sampled high when
the Baud Rate Generator times out (TBRG), the SDA
pin is driven low. The action of the SDA being driven
low while SCL is high is the Start condition and causes
the S bit (SSPSTAT<3>) to be set. Following this, the
Baud Rate Generator is reloaded with the contents of
SSPADD<6:0> and resumes its count. When the Baud
Rate Generator times out (TBRG), the SEN bit
(SSPCON2<0>) will be automatically cleared by
hardware. The Baud Rate Generator is suspended,
leaving the SDA line held low and the Start condition is
complete.
21.4.8.1
WCOL Status Flag
If the user writes the SSPBUF when a Start sequence
is in progress, the WCOL bit is set and the contents of
the buffer are unchanged (the write doesn鈥檛 occur).
FIGURE 21-21:
FIRST START BIT TIMING
Note:
If, at the beginning of the Start condition,
the SDA and SCL pins are already
sampled low or if during the Start condi-
tion, the SCL line is sampled low before
the SDA line is driven low, a bus collision
occurs, the Bus Collision Interrupt Flag,
BCLIF, is set, the Start condition is aborted
and the I2C module is reset into its Idle
state.
Note:
Because queueing of events is not
allowed, writing to the lower 5 bits of
SSPCON2 is disabled until the Start
condition is complete.
SDA
SCL
S
TBRG
1st bit
2nd bit
TBRG
SDA = 1,
At completion of Start bit,
SCL = 1
Write to SSPBUF occurs here
TBRG
hardware clears SEN bit
TBRG
Write to SEN bit occurs here
Set S bit (SSPSTAT<3>)
and sets SSPIF bit
鐩搁棞(gu膩n)PDF璩囨枡
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PIC18F4610-E/ML 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 64KB 3968 RAM 36 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(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
PIC18F4610-E/P 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 64KB 3968 RAM 36 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(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
PIC18F4610-E/PT 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 64KB 3968 RAM 36 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(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