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August ’01 Chapter 2. Electrical Description
2.1 General
The TMS37122 consists of the following main function blocks (see Figure 4):
- RF Limiter (3 fold)
- 8-bit Trimming Circuit (3 fold)
- Rectifier (3 fold)
- VCL Limiter
- Voltage Regulator (VCCO) with reverse current protection (diode)
- Clock Regenerator for Pluck Circuit and modulation clock divider.
- Divider for modulation clock (CLKM)
- Continuous Pluck Circuit (Antenna 1 only)
- Pluck Synchronization for modulation function (Antenna 1 only)
- Modulation Capacitor CM (Antenna 1 only)
- Wake Detectors (3 fold)
- EOBA Detector (3 fold)
- Signal Selector
- Pulse Position Demodulator (for Wake Pattern only)
- Wake Pattern Comparator
- Watchdog (supervising CLKI signal)
- Control Unit
- Test logic