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105
T48C862-R4 [Preliminary]
4551C–4BMCU–01/04
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 .....................................................78
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 .............................................................85
Combination Mode 11: Burst Modulation 1 ...................................................86
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 .......................................................................................93
Initialization the Serial Interface to the EEPROM............................................... 93
Absolute Maximum Ratings: Microcontroller Block ....................... 94