HD6433044 Datasheet, PDF (134/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

Bits 7 to 4—Chip Select 7 to 4 Enable (CS7E to CS4E): These bits enable or disable output of
the corresponding chip select signal.
Bit n
CSnE Description
0
Output of chip select signal CS_n is disabled
1
Output of chip select signal CS_n is enabled
Note: n = 7 to 4
Bits 3 to 0—Reserved: Read-only bits, always read as 1.
(Initial value)
120