Pin Configuration; Register Configuration - Hitachi H8/3022 Hardware Manual

6.1.3 Pin Configuration

Table 6-1 summarizes the bus controller's input/output pins.
Table 6-1 Bus Controller Pins
Name Abbreviation
AS
Address strobe
RD
Read
WR
Write
WAIT
Wait

6.1.4 Register Configuration

Table 6-2 summarizes the bus controller's registers.
Table 6-2 Bus Controller Registers
Address* Name
H'FFED Access state control register
H'FFEE Wait control register
H'FFEF Wait state controller enable register
H'FFF3 Address control register
Note: * Lower 16 bits of the address.
I/O Function
Output Strobe signal indicating valid address output on
the address bus
Output Strobe signal indicating reading from the
external address space
Output Strobe signal indicating writing to the external
address space, with valid data on the data
bus(D7 to D0)
Input Wait request signal for access to external three-
state-access areas
Abbreviation
ASTCR
WCR
WCER
ADRCR
R/W Initial Value
R/W H'FF
R/W H'F3
R/W H'FF
R/W H'FE
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