s MSM7712 s –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

18

Oki Semiconductor

Synthesizer and DAC Programming

1.

RCK at 16 MHz

1.

RCK at 16 MHz.

Parameter

Description

Min.

Typ.

Max.

Symbol

Clock low time, 8 MHz

60

62.5

65

ns

Clock high time, 8 MHz

60

62.5

65

Delay time of data from falling clock

10

-

-

Setup time of data before rising edge

-

-

Delay time of latch enable from clock

-

-

Figure 8. Radio Control Timing

RXPHYE

TXPHYE

CSENSE

RXC1

Rx-IF

TXC1

TXC2

IFD[]

(1)

(2)

Rx-IF with Ramp Up/Down

Figure 9. Synthesizer Programming Timing and DAC Timing

SYNLEN, DACEN

SYNCLK

SYNDAT

D[23]

D[22]

D[21]

D[1]

D[0]