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Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL
D-10
D.5 CS
n
MSKH (UCSMSKH)
Chip-select High Mask
CS
n
MSKH (
n
= 0–6), UCSMSKH
(read/write)
Expanded Addr:
ISA Addr:
Reset State:
F406H, F40EH
F416H, F41EH
F426H, F42EH
F436H, F43EH
—
0000H (CS
n
MSKH)
FFFFH (UCSMSKH)
15 8
———— ——CM15CM14
7 0
CM13 CM12 CM11 CM10 CM9 CM8 CM7 CM6
Bit
Number
Bit
Mnemonic
Function
15–10 — Reserved; for compatibility with future devices, write zeros to these bits.
9–0 CM15:6 Mask Value Upper Bits:
Defines the upper 10 bits of the channel’s 15-bit mask. The mask bits
CM15:6 and the address bits CA15:6 form a masked address that is
compared to memory address bits A25:16 or I/O address bits A15:6.