FIGURE 11-27: OPERATION OF THE I2
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� PIC16C77-04/P
寤犲晢锛� Microchip Technology
鏂囦欢闋佹暩(sh霉)锛� 113/114闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC MCU OTP 8KX14 A/D PWM 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® 16C
鏍稿績铏曠悊鍣細 PIC
鑺珨灏哄锛� 8-浣�
閫熷害锛� 4MHz
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(c猫)/寰�(f霉)浣嶏紝POR锛孭WM锛學DT
杓稿叆/杓稿嚭鏁�(sh霉)锛� 33
绋嬪簭瀛樺劜(ch菙)鍣ㄥ閲忥細 14KB锛�8K x 14锛�
绋嬪簭瀛樺劜(ch菙)鍣ㄩ鍨嬶細 OTP
RAM 瀹归噺锛� 368 x 8
闆诲 - 闆绘簮 (Vcc/Vdd)锛� 4 V ~ 6 V
鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒锛� A/D 8x8b
鎸暕鍣ㄥ瀷锛� 澶栭儴
宸ヤ綔婧害锛� 0°C ~ 70°C
灏佽/澶栨锛� 40-DIP锛�0.600"锛�15.24mm锛�
鍖呰锛� 绠′欢
閰嶇敤锛� 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�绗�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�鐣�(d膩ng)鍓嶇113闋�绗�114闋�
PIC16C7X
DS30390E-page 98
1997 Microchip Technology Inc.
FIGURE 11-27: OPERATION OF THE I2C MODULE IN IDLE_MODE, RCV_MODE OR XMIT_MODE
IDLE_MODE (7-bit):
if (Addr_match)
{
Set interrupt;
if (R/W = 1)
{
Send ACK = 0;
set XMIT_MODE;
}
else if (R/W = 0) set RCV_MODE;
}
RCV_MODE:
if ((SSPBUF=Full) OR (SSPOV = 1))
{
Set SSPOV;
Do not acknowledge;
}
else
{
transfer SSPSR
鈫� SSPBUF;
send ACK = 0;
}
Receive 8-bits in SSPSR;
Set interrupt;
XMIT_MODE:
While ((SSPBUF = Empty) AND (CKP=0)) Hold SCL Low;
Send byte;
Set interrupt;
if ( ACK Received = 1)
{
End of transmission;
Go back to IDLE_MODE;
}
else if ( ACK Received = 0) Go back to XMIT_MODE;
IDLE_MODE (10-Bit):
If (High_byte_addr_match AND (R/W = 0))
{
PRIOR_ADDR_MATCH = FALSE;
Set interrupt;
if ((SSPBUF = Full) OR ((SSPOV = 1))
{
Set SSPOV;
Do not acknowledge;
}
else
{
Set UA = 1;
Send ACK = 0;
While (SSPADD not updated) Hold SCL low;
Clear UA = 0;
Receive Low_addr_byte;
Set interrupt;
Set UA = 1;
If (Low_byte_addr_match)
{
PRIOR_ADDR_MATCH = TRUE;
Send ACK = 0;
while (SSPADD not updated) Hold SCL low;
Clear UA = 0;
Set RCV_MODE;
}
else if (High_byte_addr_match AND (R/W = 1)
{
if (PRIOR_ADDR_MATCH)
{
send ACK = 0;
set XMIT_MODE;
}
else PRIOR_ADDR_MATCH = FALSE;
}
Applicable Devices
72 73 73A 74 74A 76 77
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
PIC32MX440F256H-80I/PT IC PIC MCU FLASH 256K 64-TQFP
PIC18F4580-I/PT IC PIC MCU FLASH 16KX16 44TQFP
PIC16C76-20/SO IC MCU OTP 8KX14 A/D PWM 28SOIC
PIC16F874-20I/P IC MCU FLASH 4KX14 EE 40DIP
PIC16C76-10/SP IC MCU OTP 8KX14 A/D PWM 28DIP
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
PIC16C770-E/P 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 3.5KB 256 RAM 16 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
PIC16C770-E/SO 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 3.5KB 256 RAM 16 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
PIC16C770-E/SS 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 3.5KB 256 RAM 16 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
PIC16C770-I/P 鍔熻兘鎻忚堪:8浣嶅井鎺у埗鍣� -MCU 3.5KB 256 RAM 16 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
PIC16C770-I/P 鍒堕€犲晢:Microchip Technology Inc 鍔熻兘鎻忚堪:IC 8BIT CMOS MCU 16C770 DIP20
鐧�(f膩)甯冪穵鎬ラ噰璩�(g貌u)锛�3鍒嗛悩宸﹀彸鎮ㄥ皣寰楀埌鍥炲京(f霉)銆�

閲囪臣(g貌u)闇€姹�

(鑻ュ彧閲囪臣(g貌u)涓€姊濆瀷铏�(h脿o)锛屽～瀵竴琛屽嵆鍙�)

鐧�(f膩)甯冩垚鍔燂紒鎮ㄥ彲浠ョ辜绾�(x霉)鐧�(f膩)甯冮噰璩�(g貌u)銆備篃鍙互閫�(j矛n)鍏ユ垜鐨勫悗鑷�(t谩i)锛屾煡鐪嬪牨(b脿o)鍍�(ji脿)

鐧�(f膩)甯冩垚鍔�锛佹偍鍙互绻肩簩(x霉)鐧�(f膩)甯冮噰璩�(g貌u)銆備篃鍙互閫�(j矛n)鍏ユ垜鐨勫悗鑷�(t谩i)锛屾煡鐪嬪牨(b脿o)鍍�(ji脿)

*鍨嬭櫉(h脿o) *鏁�(sh霉)閲� 寤犲晢 鎵硅櫉(h脿o) 灏佽
娣诲姞鏇村閲囪臣(g貌u)

鎴戠殑鑱�(li谩n)绯绘柟寮�

*
*
*
    • 鎴�
    • 閲囪喘
    • 鎼滅储
    • 浼氬憳