M37221M6_03 Datasheet, PDF (11/62 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M37221M6-XXXSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
7
0
7
0
Interrupt request register 1
Interrupt request register 2
(IREQ1 : address 00FC16)
0
(IREQ2 : address 00FD16)
Timer 1 interrupt request bit
Timer 2 interrupt request bit
Timer 3 interrupt request bit
Timer 4 interrupt request bit
CRT interrupt request bit
VSYNC interrupt request bit
Multi-master I²C-BUS
interface interrupt request bit
INT3 interrupt request bit
INT1 interrupt request bit
INT2 interrupt request bit
Serial I/O interrupt request bit
f(XIN)/4096 interrupt request bit
Fix this bit to “0.”
0 : No interrupt request issued
1 : Interrupt request issued
7
0
7
Interrupt control register 1
(ICON1 : address 00FE16)
000 0
Timer 1 interrupt enable bit
Timer 2 interrupt enable bit
Timer 3 interrupt enable bit
Timer 4 interrupt enable bit
CRT interrupt enable bit
VSYNC interrupt enable bit
Multi-master I²C-BUS
interface interrupt enable bit
INT3 interrupt enable bit
0 : Interrupt disabled
1 : Interrupt enabled
7
0
0
00
Interrupt input polarity register
(RE : address 00F916)
Fix these bits to “0.”
INT1 polarity switch bit
0 : Positive polarity
1 : Negative polarity
INT2 polarity switch bit
0 : Positive polarity
1 : Negative polarity
INT3 polarity switch bit
0 : Positive polarity
1 : Negative polarity
Fix this bit to “0.”
Fig. 4. Structure of interrupt-related registers
0
Interrupt control register 2
(ICON2 : address 00FF16)
INT1 interrupt enable bit
INT2 interrupt enable bit
Serial I/O interrupt enable bit
Fix this bit to “0.”
f(XIN)/4096 interrupt enable bit
Fix these bits to “0.”
10