GMZAN3 Datasheet, PDF (51/53 Pages) List of Unclassifed Manufacturers – XGA ALALOG INTERFACE LCD MONITOR CONTROLLER

ALE
AD
RD#
gmZAN3 Preliminary Data Sheet
T_ap
T _asu
T_ah
ADDRESS
DATA
ADDRESS
T _rdly
T_acl
T _rh
T _rp
T _ra
Figure 31.
Microcontroller Register Read Cycle
Table 28. Microcontroller Interface Timing (Muxed Address/Data) for
OSD Memory Read/Write
Parameter
Symbol
MIN TYP MAX
Units
AD valid to ALE trailing edge setup time
T_asu
10
ns
Trailing edge of ALE to AD hold time
T_ah
5
ns
WR# leading edge to AD valid delay
T_dw
5
ns
Trailing edge of WR# to AD hold time
T_dh
5
ns
ALE pulse width
T_ap
10
ns
WR# pulse width
T_wp
4
T_ref
RD# pulse width
T_rp
30
ns
WR# trailing edge to ALE leading edge
T_ra
4
T_ref
Trailing edge of ALE to AD data valid delay
T_rdly
10
T_ref
Trailing edge of RD# to AD hold time
T_rh
2
5
ns
Trailing edge of ALE to WR# or RD#
T_acl
30
ns
(command) leading edge
Note: Tref = HOST_CLK = (RCLK/4)
ALE
AD
W R#
C0523-DAT-01G
T_ap
T _asu
T_ah
ADDRESS
T _acl
DATA
T_dw
T_wp
T _dh
T _ra
51
Genesis Microchip Confidential
http://www.genesis-microchip.com
ADDRESS
July 2003