Cpu Board Nand Access - Panasonic KX-NS500AG Service Manual

12.7.4. CPU Board NAND Access

NAND Memory Access
CH Signal Name
CH1 *CS
CH2 *WE
CH3 ALE
CH4 GP_D[7]
NAND Command
*CS
*WE
ALE
I/O[7]
*CS
*WE
ALE
I/O[7]
Test Point
R211
R217
R219
IC203-44
*CS
*WE
ALE
I/O[7]
*CS
tWP=168ns
*WE
tALS=228ns
ALE
I/O[7]
85
KX-NS500AG
tDS=232ns