HD6475328-CP10 Datasheet, PDF (146/459 Pages) Hitachi Semiconductor – original Hitachi CMOS microcomputer unit (MCU)

7.1.2 Block Diagram
Figure 7-1 shows a block diagram of the wait-state controller.
Internal data bus
WCR
—
—
—
— WMS1 WMS0 WC1 WC0
Wait counter
WAIT request
Control logic
WAIT input
WCR: Wait-state Control Register
WMS1, 0: Wait Mode Select 1, 0
WC1, 0: Wait Count 1, 0
Figure 7-1 Block Diagram of Wait-State Controller
7.1.3 Register Configuration
The wait-state controller has one control register: the wait-state control register described in
table 7-1.
Table 7-1 Register Configuration
Name
Wait-state control register
Abbreviation
WCR
Read/Write
R/W
Initial Value
H'F3
Address
H'FFF8
128