
M66271FP
REJ03F0267-0200 Rev.2.00 Mar 18, 2008
Page 11 of 27
(3) Reading from VRAM
(3-1) When use 8-bit MPU (MPUSEL = "L",
BHE = "H": set)
Table 5
MPU
SEL
MCS
BHE
A <0>
RD
Odd
Address
Even
Address
Valid Data Bus
Width of MPU
L
Invalid
Read
H
L
Read
Invalid
8-bit
L
H
L
H
X
Invalid
(3-2) When use 16-bit MPU (MPUSEL = ''H": set)
Table 6
MPU
SEL
MCS
BHE
A <0>
RD
Upper
Byte
Lower
Byte
Valid Data Bus
Width of MPU
L
Read
16-bit
L
H
X
Invalid
Note:
Avoid setting combination except above, as cause of error action.
X = "L" or "H''