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ML51/ML54/ML56
Sep. 01, 2020
Page
559
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Rev 2.00
ML
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TECHNI
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ML51/M
L54
/M
L56
Series
Tec
hnical Reference
Manual
break;
case 0x88:
/*88H, previous own SLA+W, DATA received,
NACK returned, not addressed SLAVE mode
entered*/
DATA_RECEIVED_LAST2 = I2DAT;
AA = 1;
//wait for ACK next Master addressing
break;
case 0x90:
/*90H, previous General Call, DATA received,
ACK returned*/
DATA_RECEIVED3 = I2DAT;
if (To_RX_Last_Data3)
AA = 0;
else
AA = 1;
break;
case 0x98:
/*98H, previous General Call, DATA received,
NACK returned, not addressed SLAVE mode
entered*/
DATA_RECEIVED_LAST3 = I2DAT;
AA = 1;
break;
//==========
//Slave Mode
//==========
case 0Xa0:
/*A0H, STOP or repeated START received while
still addressed SLAVE mode*/
AA = 1;
break;
//======================
//Slave Transmitter Mode
//======================
case 0Xa8:
/*A8H, own SLA+R received, ACK returned*/
I2DAT = NEXT_SEND_DATA3;
AA = 1;
//when AA is “1”, not last data to be
//transmitted
break;
case 0Xb0:
/*B0H, arbitration lost in SLA+W/R
own SLA+R received, ACK returned */
I2DAT = DUMMY_DATA;
AA = 0;
//when AA is “0”, last data to be
//transmitted
STA = 1;
//retry to transmit START if bus free
break;
case 0Xb8:
/*B8H, previous own SLA+R, DATA transmitted,
ACK received*/
I2DAT = NEXT_SEND_DATA4;
if (To_TX_Last_Data)
//if last DATA will be transmitted
AA = 0;
else
AA = 1;
break;
case 0Xc0:
/*C0H, previous own SLA+R, DATA transmitted,
NACK received, not addressed SLAVE mode
entered*/