M38027E8FP Renesas Electronics America, M38027E8FP Datasheet - Page 18

• Manufacturer Part Number: M38027E8FP
• Description: MCU 8-Bit 740 CISC 32KB EPROM 5V 64-Pin PQFP
• Manufacturer: Renesas Electronics America

Specifications of M38027E8FP

• Package: 64PQFP
• Family Name: 740
• Maximum Speed: 8 MHz
• Ram Size: 1 KB
• Program Memory Size: 32 KB
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• On-chip Adc: 8-chx8-bit
• On-chip Dac: 2-chx8-bit
• Operating Temperature: -20 to 85 °C
• Number Of Timers: 4

Fig. 6 Interrupt control
Fig. 7 Structure of interrupt-related registers
b7
b7
b7
Interrupt request bit
Interrupt enable bit
b0
b0
b0
Interrupt disable flag (I)
Interrupt control register 1
(ICON1 : address 003E
Interrupt edge selection register
(INTEDGE : address 003A
Interrupt request register 1
(IREQ1 : address 003C
INT
INT
Serial I/O1 receive interrupt enable bit
Serial I/O1 transmit interrupt enable bit
Timer X interrupt enable bit
Timer Y interrupt enable bit
Timer 1 interrupt enable bit
Timer 2 interrupt enable bit
INT
INT
Serial I/O1 receive interrupt request bit
Serial I/O1 transmit interrupt request bit
Timer X interrupt request bit
Timer Y interrupt request bit
Timer 1 interrupt request bit
Timer 2 interrupt request bit
INT
INT
Not used (returns “0” when read)
INT
INT
INT
Not used (returns “0” when read)
0
1
0
1
0
1
2
3
4
interrupt request bit
interrupt enable bit
interrupt enable bit
active edge selection bit
interrupt request bit
active edge selection bit
active edge selection bit
active edge selection bit
active edge selection bit
16
16
BRK instruction
)
)
16
)
Reset
0 : Falling edge active
1 : Rising edge active
b7
b7
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
0 : Interrupts disabled
1 : Interrupts enabled
0 : No interrupt request issued
1 : Interrupt request issued
b0
b0
MITSUBISHI MICROCOMPUTERS
Interrupt control register 2
(ICON2 : address 003F
Interrupt request register 2
(IREQ2 : address 003D
Interrupt request
CNTR
CNTR
Serial I/O2 interrupt request bit
INT
INT
INT
AD converter interrupt request bit
Not used (returns “0” when read)
CNTR
CNTR
Serial I/O2 interrupt enable bit
INT
INT
INT
AD converter interrupt enable bit
Not used (returns “0” when read)
(Do not write “1” to this bit)
2
3
4
2
3
4
interrupt request bit
interrupt request bit
interrupt request bit
interrupt enable bit
interrupt enable bit
interrupt enable bit
0
1
0
1
interrupt request bit
interrupt request bit
interrupt enable bit
interrupt enable bit
3802 Group
16
16
)
)
15