M37221M4H_15 Datasheet, PDF (111/114 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
Address 00FF16
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 external interrupt
enable bit (IT1E)
1 INT2 external interrupt
enable bit (IT2E)
2 Serial I/O interrupt
enable bit (S1E)
3 Fix this bit to “0.”
Functions
After reset
0 : Interrupt disabled
0
1 : Interrupt enabled
0 : Interrupt disabled
0
1 : Interrupt enabled
0 : Interrupt disabled
0
1 : Interrupt enabled
0
RW
RW
RW
RW
RW
4 f(XIN)/4096 interrupt
enable bit (MSE)
5 to 7 Fix these bits to “0.”
0 : Interrupt disabled
0
1 : Interrupt enabled
0
RW
RW
Addresses 021B16
ROM Correction Enable Register
b7 b6 b5 b4 b3 b2 b1 b0
00
ROM correction enable register (RCR) [Address 021B16]
B
Name
0 _{Vector 1 enable bit (RCR0)}
1 _{Vector 2 enable bit (RCR1)}
2, 3 _{Fix these bits to “0.”}
Functions
0: Disabled
1: Enabled
0: Disabled
1: Enabled
4 Nothing is assigned. These bits are write disable bits. When
to these bits are read out, the values are “0.”
7
After reset R W
0
RW
0
RW
0
RW
0
R—
Rev.1.00 Oct 01, 2002 page 109 of 110
REJ03B0134-0100Z