I2C MASTER MODE SUPP" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� PIC18C452-I/P
寤犲晢锛� Microchip Technology
鏂囦欢闋佹暩(sh霉)锛� 42/279闋�
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC MCU OTP 16KX16 A/D 40DIP
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� 10
绯诲垪锛� PIC® 18C
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�锛孡VD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 32KB锛�16K x 16锛�
绋嬪簭瀛樺劜鍣ㄩ鍨嬶細 OTP
RAM 瀹归噺锛� 1.5K x 8
闆诲 - 闆绘簮 (Vcc/Vdd)锛� 4.2 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� 40-DIP锛�0.600"锛�15.24mm锛�
鍖呰锛� 绠′欢
閰嶇敤锛� I3DB18C452-ND - BOARD DAUGHTER ICEPIC3
444-1001-ND - DEMO BOARD FOR PICMICRO MCU
绗�1闋�绗�2闋�绗�3闋�绗�4闋�绗�5闋�绗�6闋�绗�7闋�绗�8闋�绗�9闋�绗�10闋�绗�11闋�绗�12闋�绗�13闋�绗�14闋�绗�15闋�绗�16闋�绗�17闋�绗�18闋�绗�19闋�绗�20闋�绗�21闋�绗�22闋�绗�23闋�绗�24闋�绗�25闋�绗�26闋�绗�27闋�绗�28闋�绗�29闋�绗�30闋�绗�31闋�绗�32闋�绗�33闋�绗�34闋�绗�35闋�绗�36闋�绗�37闋�绗�38闋�绗�39闋�绗�40闋�绗�41闋�鐣�(d膩ng)鍓嶇42闋�绗�43闋�绗�44闋�绗�45闋�绗�46闋�绗�47闋�绗�48闋�绗�49闋�绗�50闋�绗�51闋�绗�52闋�绗�53闋�绗�54闋�绗�55闋�绗�56闋�绗�57闋�绗�58闋�绗�59闋�绗�60闋�绗�61闋�绗�62闋�绗�63闋�绗�64闋�绗�65闋�绗�66闋�绗�67闋�绗�68闋�绗�69闋�绗�70闋�绗�71闋�绗�72闋�绗�73闋�绗�74闋�绗�75闋�绗�76闋�绗�77闋�绗�78闋�绗�79闋�绗�80闋�绗�81闋�绗�82闋�绗�83闋�绗�84闋�绗�85闋�绗�86闋�绗�87闋�绗�88闋�绗�89闋�绗�90闋�绗�91闋�绗�92闋�绗�93闋�绗�94闋�绗�95闋�绗�96闋�绗�97闋�绗�98闋�绗�99闋�绗�100闋�绗�101闋�绗�102闋�绗�103闋�绗�104闋�绗�105闋�绗�106闋�绗�107闋�绗�108闋�绗�109闋�绗�110闋�绗�111闋�绗�112闋�绗�113闋�绗�114闋�绗�115闋�绗�116闋�绗�117闋�绗�118闋�绗�119闋�绗�120闋�绗�121闋�绗�122闋�绗�123闋�绗�124闋�绗�125闋�绗�126闋�绗�127闋�绗�128闋�绗�129闋�绗�130闋�绗�131闋�绗�132闋�绗�133闋�绗�134闋�绗�135闋�绗�136闋�绗�137闋�绗�138闋�绗�139闋�绗�140闋�绗�141闋�绗�142闋�绗�143闋�绗�144闋�绗�145闋�绗�146闋�绗�147闋�绗�148闋�绗�149闋�绗�150闋�绗�151闋�绗�152闋�绗�153闋�绗�154闋�绗�155闋�绗�156闋�绗�157闋�绗�158闋�绗�159闋�绗�160闋�绗�161闋�绗�162闋�绗�163闋�绗�164闋�绗�165闋�绗�166闋�绗�167闋�绗�168闋�绗�169闋�绗�170闋�绗�171闋�绗�172闋�绗�173闋�绗�174闋�绗�175闋�绗�176闋�绗�177闋�绗�178闋�绗�179闋�绗�180闋�绗�181闋�绗�182闋�绗�183闋�绗�184闋�绗�185闋�绗�186闋�绗�187闋�绗�188闋�绗�189闋�绗�190闋�绗�191闋�绗�192闋�绗�193闋�绗�194闋�绗�195闋�绗�196闋�绗�197闋�绗�198闋�绗�199闋�绗�200闋�绗�201闋�绗�202闋�绗�203闋�绗�204闋�绗�205闋�绗�206闋�绗�207闋�绗�208闋�绗�209闋�绗�210闋�绗�211闋�绗�212闋�绗�213闋�绗�214闋�绗�215闋�绗�216闋�绗�217闋�绗�218闋�绗�219闋�绗�220闋�绗�221闋�绗�222闋�绗�223闋�绗�224闋�绗�225闋�绗�226闋�绗�227闋�绗�228闋�绗�229闋�绗�230闋�绗�231闋�绗�232闋�绗�233闋�绗�234闋�绗�235闋�绗�236闋�绗�237闋�绗�238闋�绗�239闋�绗�240闋�绗�241闋�绗�242闋�绗�243闋�绗�244闋�绗�245闋�绗�246闋�绗�247闋�绗�248闋�绗�249闋�绗�250闋�绗�251闋�绗�252闋�绗�253闋�绗�254闋�绗�255闋�绗�256闋�绗�257闋�绗�258闋�绗�259闋�绗�260闋�绗�261闋�绗�262闋�绗�263闋�绗�264闋�绗�265闋�绗�266闋�绗�267闋�绗�268闋�绗�269闋�绗�270闋�绗�271闋�绗�272闋�绗�273闋�绗�274闋�绗�275闋�绗�276闋�绗�277闋�绗�278闋�绗�279闋�
PIC18CXX2
DS39026C-page 134
2001 Microchip Technology Inc.
14.4.4
I2C MASTER MODE SUPPORT
Master mode is enabled by setting and clearing the
appropriate SSPM bits in SSPCON1 and by setting the
SSPEN bit. Once Master mode is enabled, the user
has six options.
1.
Assert a START condition on SDA and SCL.
2.
Assert a Repeated START condition on SDA
and SCL.
3.
Write to the SSPBUF register initiating transmis-
sion of data/address.
4.
Generate a STOP condition on SDA and SCL.
5.
Configure the I2C port to receive data.
6.
Generate an Acknowledge condition at the end
of a received byte of data.
FIGURE 14-13:
MSSP BLOCK DIAGRAM (I
2C MASTER MODE)
Note:
The MSSP module, when configured in I2C
Master mode, does not allow queueing of
events. For instance, the user is not
allowed to initiate a START condition and
immediately write the SSPBUF register to
imitate transmission, before the START
condition is complete. In this case, the
SSPBUF will not be written to and the
WCOL bit will be set, indicating that a write
to the SSPBUF did not occur.
Read
Write
SSPSR
START bit, STOP bit,
START bit Detect
SSPBUF
Internal
Data Bus
Set/Reset, S, P, WCOL (SSPSTAT)
Shift
Clock
MSb
LSb
SDA
Acknowledge
Generate
STOP bit Detect
Write Collision Detect
Clock Arbitration
State Counter for
end of XMIT/RCV
SCL
SCL in
Bus Collision
SDA in
Rec
e
iv
e
E
nable
Cloc
k
Cntl
Clock
A
rbit
rat
e/
W
C
O
L
Det
e
ct
(hold
of
fcloc
k
s
ource)
SSPADD<6:0>
Baud
Set SSPIF, BCLIF
Reset ACKSTAT, PEN (SSPCON2)
Rate
Generator
SSPM3:SSPM0
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
PIC16C77-04/L IC MCU OTP 8KX14 A/D PWM 44PLCC
PIC24FJ128GB210-I/PT MCU PIC 16BIT FLASH USB 100TQFP
PIC16C74B-20I/P IC MCU OTP 4KX14 A/D PWM 40DIP
PIC32MX360F256L-80I/PT IC PIC MCU FLASH 256K 100-TQFP
193673-3 CONN SOCKET CRIMP 8AWG SILVER
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
PIC18C452T-E/L 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 32KB 1536 RAM 34I/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
PIC18C452T-E/PT 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 32KB 1536 RAM 34I/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
PIC18C452T-I/L 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 32KB 1536 RAM 34I/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
PIC18C452T-I/PT 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 32KB 1536 RAM 34I/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
PIC18C601-I/L 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 256KB 1536 RAM 26I/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