Atar862-4 – Rainbow Electronics ATAR862-4 User Manual
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103
ATAR862-4
4552B–4BMCU–02/03
Timer 3 – Mode 2: Timer/Counter, External Trigger Restart and External
Capture (with T3I Input) ..................................................... 57
Timer 3 – Mode 3: Timer/Counter, Internal Trigger Restart and Internal
Capture (with TOG2) .........................................................58
Timer 3 – Mode 4: Timer/Counter ................................................................. 58
Timer 3 – Mode 5: Timer/Counter, External Trigger Restart and External
Capture (with T3I Input) ..................................................... 58
Timer 3 Modulator/Demodulator Modes ............................................................. 58
Timer 3 – Mode 6: Carrier Frequency Burst Modulation Controlled by
Timer 2 Output Toggle Flip-Flop (M2) ...............................58
Timer 3 – Mode 7: Carrier Frequency Burst Modulation Controlled by
SSI Internal Output (SO) ................................................... 59
Timer 3 – Mode 8: FSK Modulation with Shift Register Data (SO) ............... 59
Timer 3 – Mode 9: Pulse-width Modulation with the Shift Register ............... 59
Timer 3 – Mode 10: Manchester Demodulation/ Pulse-width Demodulation 60
Timer 3 – Mode 11: Biphase Demodulation ..................................................60
Timer 3 – Mode 12: Timer/Counter with External Capture Mode (T3I) ......... 61
Timer 3 Modulator for Carrier Frequency Burst Modulation ...............................61
Timer 3 Demodulator for Biphase, Manchester and Pulse-width-modulated
Signals .................................................................................................... 61
Timer 3 Registers ...............................................................................................62
Timer 3 Mode Register (T3M) ....................................................................... 62
Timer 3 Control Register 1 (T3C) Write ........................................................ 63
Timer 3 Status Register 1 (T3ST) Read ....................................................... 63
Timer 3 Clock Select Register (T3CS) .......................................................... 63
Timer 3 Compare- and Compare-mode Register ......................................... 64
Timer 3 Compare-Mode Register 1 (T3CM1) ............................................... 64
Timer 3 Compare Mode Register 2 (T3CM2) ............................................... 65
Timer 3 COmpare Register 1 (T3CO1) Byte Write ....................................... 65
Timer 3 COmpare Register 2 (T3CO2) Byte Write ....................................... 65
Timer 3 Capture Register ................................................................................... 66
Timer 3 CaPture Register (T3CP) Byte Read ............................................... 66
Synchronous Serial Interface (SSI) .................................................................... 66
SSI Peripheral Configuration ........................................................................ 66
General SSI Operation ..................................................................................67
8-bit Synchronous Mode ............................................................................... 68
9-bit Shift Mode (MCL) ..................................................................................70
8-bit Pseudo MCL Mode ............................................................................... 71
MCL Bus Protocol .........................................................................................72
SSI Interrupt .................................................................................................. 73
Modulation and Demodulation ...................................................................... 73
Internal 2-wire Multi-chip Link ....................................................................... 73
Serial Interface Registers ................................................................................... 74
Serial Interface Control Register 1 (SIC1) .................................................... 74
Serial Interface Control Register 2 (SIC2) .................................................... 75
Serial Interface Status and Control Register (SISC) .....................................76
Serial Transmit Buffer (STB) – Byte Write .................................................... 76