cx20493-35/app Conexant Systems, Inc., cx20493-35/app Datasheet - Page 70

• Manufacturer Part Number: cx20493-35/app
• Description: With Cx20493 Smartdaa?
• Manufacturer: Conexant Systems, Inc.

Figure 3-9. Waveforms - External Memory Bus
3-38
CX81801-7x/8x SmartV.XX Modem in 128-Pin LQFP with CX20493 in 32-Pin LQFP Data Sheet
WRITE#
READ#
A[18:0]
A[18:0]
D[7:0]
ES#**
D[7:0]
ES#**
* C2 = Internal Phase 2 clock.
** ES# = RAMSEL# or ROMSEL#.
* C2 = Internal Phase 2 clock.
** ES# = RAMSEL# or ROMSEL#.
C2*
C2*
t
WTD
Conexant
Read Timing
Write Timing
t
t
WW
RDS
t
t
CYC
CYC
t
RW
t
t
t
t
AS
ES
AS
ES
t
t
RDH
WTH
100491 F3-09 WF EB
102247B