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