MB90610A Series
(Continued)
Address
Register
Name
ICR06
Access Resource name
Initial value
0 0 0 0 0 1 1 1
0 0 0 0 0 1 1 1
0 0 0 0 0 1 1 1
0 0 0 0 0 1 1 1
0 0 0 0 0 1 1 1
0 0 0 0 0 1 1 1
0 0 0 0 0 1 1 1
0 0 0 0 0 1 1 1
0 0 0 0 0 1 1 1
0 0 0 0 0 1 1 1
0000B6H Interrupt control register 06
0000B7H Interrupt control register 07
0000B8H Interrupt control register 08
0000B9H Interrupt control register 09
0000BAH Interrupt control register 10
0000BBH Interrupt control register 11
0000BCH Interrupt control register 12
0000BDH Interrupt control register 13
0000BEH Interrupt control register 14
0000BFH Interrupt control register 15
R/W!
R/W!
R/W!
R/W!
R/W!
R/W!
R/W!
R/W!
R/W!
R/W!
ICR07
ICR08
ICR09
ICR10
ICR11
ICR12
ICR13
ICR14
ICR15
Interrupt
controller
0000C0H
External area *2
—
—
—
—
to FFH
Initial values
0 : The initial value for this bit is “0”.
1 : The initial value for this bit is “1”.
* : The initial value for this bit is “1” or “0”. (Determined by the level of the MD0 to MD2 pins.)
X : The initial value for this bit is undefined.
– : This bit is not used. The initial value is undefined.
*1: Access prohibited.
*2: This is the only external access area in the area below address 0000FFH. Access this address as an external
I/O area.
*3: Areas marked as “free” in the I/O map are reserved areas. These areas are accessed by internal access. No
access signals are output on the external bus.
*4: Only bit 15 can be written. The other bits are written to by the test function. Reading bits 10 to 15 returns zeros.
*5: The R/W! symbol in the Read/Write column indicates that some bits are read-only or write-only. See the
resource’s register list for details.
*6: Using a read-modify-write instruction (such as the bit set instruction) to access one of the registers indicated
by R/W!, R/W*, or W in the Read/Write column sets the specified bit to the desired value. However, this can
cause misoperation if the other register bits include write-only bits. Therefore, do not use read-modify-write
instructions to access these registers.
*7: This register is only available when the address/data bus is in multiplex mode. Access to the register is prohibited
in non-multiplex mode.
*8: This register is only available when the external data bus is in 8-bit mode. Access to the register is prohibited
in 16-bit mode.
Note: The initial values listed for write-only bits are the initial values set by a reset. They are not the values returned
by a read.
Also, LPMCR/CKSCR/WDTC are sometimes initialized and sometimes not initialized, depending on the reset
type. The listed initial values are for when these registers are initialized.
21
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