Program Address Detection Control Status Register (Pacsr) - Fujitsu MB90460 Series Hardware Manual

CHAPTER 21 ROM CORRECTION FUNCTION
21.3.2 Program Address Detection Control Status Register
(PACSR)
The program address detection control status register (PACSR) is an 8-bit register and
used to control the operation of ROM correction function.

■ Program Address Detection Control Status Register (PACSR)

Figure 21.3-3 Program Address Detection Control Status Register
Address bit 7
00009E —
H
—
R/W : Readable and writable
: Initial value
— : Not used
576
6 5 4 3
— — — AD1E
— — — R/W
2 1 0 Initial value
AD1D AD0E AD0D ----0000
R/W R/W R/W
Address detection flag 0 bit
AD0D
Read
0 No address compare match
1 Address compare match
AD0E Address detection register 0 enable bit
0 Disable interrupt request
1 Enable interrupt request
Address detection flag 1 bit
AD1D
Read
0 No address compare match
1 Address compare match
Address detection register 1 enable bit
AD1E
Read
0 No address compare match
1 Address compare match
B
Write
Clear this bit
No effect
Write
Clear this bit
No effect
Write
Clear this bit
No effect