
Nippon Precision Circuits
OVERVIEW
The SM8213AM is a POCSAG-standard (Post Office Code Standardization Advisory Group) signal processor LSI, which conforms to CCIR recommendation 584 concerning standard international wireless calling codes.
FEATURES
■ Conforms to POCSAG standard for pagers
■ 512, 1200 or 2400 bps signal speed
■ Multiframe compatible (each address individually controllable)
■ 8 addresses × 4 sub-addresses (total of 32 addresses) control (8 addresses comprise 7 actual addresses + 1 dummy address)
■ Built-in buffer memory (1 code word)
■ Supports tone, numeric or character call messages
■ Built-in input signal filter, with filter ON/OFF and 4 selectable filter characteristics
■ PLL-compatible battery saving method (BS1, BS2, BS3 outputs)
■ BS1 (RF control main output signal) 61-step setup time setting
■ BS3 (PLL setup signal) 61-step setup time setting
■ BS2 (RF DC-level adjustment signal) before/during reception selectable adjustment timing
■ 1-bit and 2-bit burst error auto-correction function
■ 25 to 75% duty factor signal coverage
■ 8 rate error detection condition settings
■ 76.8 kHz system clock (crystal oscillator)
■ 76.8 or 38.4 kHz clock output pin
■ Built-in oscillator capacitor and feedback resistor
■ 2.0 to 3.5 V operating supply voltage
■ Molybdenum-gate CMOS process realizes low power dissipation
■ 16-pin SSOP