MB1519

3

TRANSMIT/RECEPTION BLOCK

• 20-bit latch

• Programmable divider consisting of:

Binary 7-bit swallow counter (Divide ratio: 0 to 127)

Binary 11-bit programmable counter (Divide ratio: 16 to 2047)

• Phase detector with phase polarity change function

• 600MHz dual modulus prescaler (Divide ratio: 64/65)

• Charge pump

COMMON BLOCK

• 23-bit shift register

• Programmable divider consisting of:

Reference counter (Divide ratio: 512, 1024)

(Divide frequency = 25kHz, 12.5kHz (Crystal oscillator frequency = 12.8MHz)

• Crystal oscillator

• fp monitor output selector

• Latch selector

• Schmitt circuits

• Analog switches

BLOCK DESCRIPTIONS