Input/Output Pins; Register Configuration - Hitachi H8/3032 Series Hardware Manual

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6.1.3 Input/Output Pins

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
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
Input Wait request signal for access to external three-
state-access areas
Abbreviation
ASTCR
WCR
WCER
103
R/W Initial Value
R/W H'FF
R/W H'F3
R/W H'FF