Manual

105
T48C862-R3
4554A–4BMCU–02/03
Serial Interface Control Register 2 (SIC2) ....................................................75
Serial Interface Status and Control Register (SISC) .....................................76
Serial Transmit Buffer (STB) – Byte Write ....................................................76
Serial Receive Buffer (SRB) – Byte Read .....................................................76
Combination Modes ........................................................................... 77
Combination Mode Timer 2 and SSI ...................................................................77
Combination Mode 1: Burst Modulation ........................................................78
Combination Mode 2: Biphase Modulation 1 ................................................78
Combination Mode 3: Manchester Modulation 1 ..........................................79
Combination Mode 4: Manchester Modulation 2 ..........................................79
Combination Mode 5: Biphase Modulation 2 ................................................80
Combination Mode Timer 3 and SSI ...................................................................81
Combination Mode 6: FSK Modulation .........................................................81
Combination Mode 7: Pulse-width Modulation (PWM) .................................82
Combination Mode 8: Manchester Demodulation/Pulse-width
Demodulation ...............................................................82
Combination Mode 9: Biphase Demodulation ...............................................83
Combination Mode Timer 2 and Timer 3 ............................................................84
Combination Mode 10: Frequency Measurement or Event Counter with
Time Gate ....................................................................85
Combination Mode 11: Burst Modulation 1 ...................................................85
Combination Mode Timer 2, Timer 3 and SSI ....................................................87
Combination Mode 12: Burst Modulation 2 ...................................................88
Combination Mode 13: FSK Modulation .......................................................88
Data EEPROM ....................................................................................................89
Serial Interface ....................................................................................................90
Serial Protocol ...............................................................................................90
Control Byte Format ......................................................................................91
EEPROM ............................................................................................................91
EEPROM – Operating Modes .......................................................................91
Write Operations ...........................................................................................91
Acknowledge Polling .....................................................................................91
Write One Data Byte .....................................................................................91
Write Two Data Bytes ...................................................................................91
Write Control Byte Only ................................................................................91
Write Control Bytes .......................................................................................92
Read Operations ...........................................................................................92
Read One Data Byte .....................................................................................92
Read Two Data Bytes ...................................................................................92
Read n Data Bytes ........................................................................................92
Read Control Bytes .......................................................................................92
Initialization the Serial Interface to the EEPROM ...............................................93
Absolute Maximum Ratings ............................................................... 94