HD64570 Datasheet, PDF (60/469 Pages) Hitachi Semiconductor – Serial Communications Adaptor

Table 2.4 Address Lines
Symbol
A₈−A₂₃
A₁−A₇
Pin Number
CP-84
16−18, 20,
23−34
FP-88
28−30, 32,
35−44,
46, 47
Input/
Output
Description
Output Address bus:
(Three-
state)
Master mode
9−15
20−22, 24−27Input/
output
Slave mode
Reset mode
System stop
mode
Address bus:
Master mode
Slave mode
Reset mode
System stop
mode
Output lines for the 16 high-
order bits of a 24-bit address
when DMAC accesses a
16-Mbyte address space.
High impedance.
High impedance.
High impedance.
Output lines for the 7 low-order
bits of a 24-bit address when
DMAC accesses a
16-Mbyte address space.
Internal register address input.
Input.
Input.
Rev. 0, 07/98, page 44 of 453