Z87100 Datasheet, PDF (23/48 Pages) Zilog, Inc. – Wireless Transmitter

Zilog
8
PNLEN
PNADDR
8
ROM
8
Address
pnclk
Counter
pnload
PN ROM
256 x 1
SCLK
T0
T1
CLOCK
SELECT
refclk
CPU
DATA
BUS
clk select
TMBAS
DCLK
PNLEN
PNADDR
PNCON
PN MODULATOR
CONTROL
LOGIC
pnclk
CLOCK
GENERATOR
clk ctrl
XOR
IRQ3
dataclk
SHIFT CTL
DATA SHIFT REGISTER
D0 D1
D14 D15
data load
DATA HOLD REGISTER
Tx BUFL Tx BUFH
Z87100
Wireless Transmitter
3
PNCLKOUT
(P36)
PNMODOUT
(P35)
PNDCLKOUT
(P27)
PNDOUT
(P20)
Figure 17. Z87100 PN Modulator Conceptual Block Diagram
DS96WRL0700
PRELIMINARY
3-23