Manual

105
T48C862-R4
4551B–4BMCU–02/03
Serial Interface Control Register 2 (SIC2) ....................................................76
Serial Interface Status and Control Register (SISC) .....................................77
Serial Transmit Buffer (STB) – Byte Write ....................................................77
Serial Receive Buffer (SRB) – Byte Read .....................................................77
Combination Modes ........................................................................... 78
Combination Mode Timer 2 and SSI ...................................................................78
Combination Mode 1: Burst Modulation ........................................................79
Combination Mode 2: Biphase Modulation 1 ................................................79
Combination Mode 3: Manchester Modulation 1 ..........................................80
Combination Mode 4: Manchester Modulation 2 ..........................................80
Combination Mode 5: Biphase Modulation 2 ................................................81
Combination Mode Timer 3 and SSI ...................................................................82
Combination Mode 6: FSK Modulation .........................................................82
Combination Mode 7: Pulse-width Modulation (PWM) .................................83
Combination Mode 8: Manchester Demodulation/Pulse-width
Demodulation ................................................................83
Combination Mode 9: Biphase Demodulation ...............................................84
Combination Mode Timer 2 and Timer 3 ............................................................85
Combination Mode 10: Frequency Measurement or Event Counter with
Time Gate ....................................................................86
Combination Mode 11: Burst Modulation 1 ...................................................86
Combination Mode Timer 2, Timer 3 and SSI ....................................................88
Combination Mode 12: Burst Modulation 2 ...................................................89
Combination Mode 13: FSK Modulation .......................................................89
Data EEPROM ....................................................................................................90
Serial Interface ....................................................................................................91
Serial Protocol ...............................................................................................91
Control Byte Format ......................................................................................92
EEPROM ............................................................................................................92
EEPROM – Operating Modes .......................................................................92
Write Operations ...........................................................................................92
Acknowledge Polling .....................................................................................92
Write One Data Byte .....................................................................................92
Write Two Data Bytes ...................................................................................92
Write Control Byte Only ................................................................................92
Write Control Bytes .......................................................................................93
Read Operations ...........................................................................................93
Read One Data Byte .....................................................................................93
Read Two Data Bytes ...................................................................................93
Read n Data Bytes ........................................................................................93
Read Control Bytes .......................................................................................93
Initialization the Serial Interface to the EEPROM ...............................................94
Absolute Maximum Ratings ............................................................... 95