7220 Datasheet, PDF (269/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPENDIX
6.7 Control registers
Interrupt Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
000 0
Interrupt control register 2 (ICON2) [Address 00FF16]
B
Name
0 INT1 interrupt
enable bit (IT1E)
1 INT2 interrupt enable
bit (IT2E)
2 Serial I/O interrupt
enable bit (S1E)
3 ^{Fix this bit to “0.”}
4 f(XIN)/4096 interrupt
enable bit (MSE)
5
to
Fix these bits to “0.”
7
Functions
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
After reset R W
0 RW
0 RW
0 RW
0 RW
0 RW
0 RW
Fig. 6.7.31 Interrupt control register 2
Address 00FF16
ROM correction enable register
b7 b6 b5 b4 b3 b2 b1 b0
00
ROM correction enable register (RCR) [Address 021216]
B
Name
0 Block 1 enable bit (RCR0)
1 Block 2 enable bit (RCR1)
2, 3 ^{Fix these bits to “0.”}
Functions
0 : Disabled
1 : Enabled
0 : Disabled
1 : Enabled
After reset R W
0
0
0
!
4 Nothing is assigned. These bits are write disable bits.
0
!
to When these bits are read out, the values are “0.”
7
Fig. 6.7.32 ROM correction enable register
6-50
7220 Group User’s Manual
Address 021216