M30620FCAFP#U5 Renesas Electronics America, M30620FCAFP#U5 Datasheet - Page 483

• Manufacturer Part Number: M30620FCAFP#U5
• Description: IC M16C MCU FLASH 100QFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/60r

Specifications of M30620FCAFP#U5

• Core Processor: M16C/60
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SIO, UART/USART
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 10x10b, D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 100-QFP
• Package: 100PQFP
• Family Name: M16C
• Maximum Speed: 16 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 16|32 Bit
• Number Of Programmable I/os: 87
• Interface Type: SIM/UART
• On-chip Adc: 10-chx10-bit
• On-chip Dac: 2-chx8-bit
• Number Of Timers: 11
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

2-164
Key-Input Interrupt
Operation
Figure 2.13.3. Example of circuit using the key-input interrupt
Figure 2.13.4. Example of operation of key-input interrupt
2.13.2 Operation of Key-Input Interrupt
The following is an operation of key-input interrupt. Figure 2.13.3 shows an example of a circuit that uses
the key-input interrupt, Figure 2.13.4 shows an example of operation of key-input interrupt, and Figure
2.13.5 shows the setting procedure of key-input interrupt.
P10
P10
P10
input
P10
P10
Key input
Key input
interrupt processing
(1) Set the direction register of the ports to be changed to key-input interrupt pins to input, and set
(2) Setting the key-input interrupt control register and setting the interrupt enable flag makes the
(3) If a falling edge is input to either KI
0
1
2
3
4
output
output
output
output
to P10
the pull-up function.
interrupt-enabled state ready.
7
(1) Enter to stop mode
Key OFF
(2) Cancel stop mode
(3) Key scan
Key ON
_____
0
through KI
P10
P10
P10
P10
P10
P10
P10
P10
(4) Enter to stop mode
1
2
3
4
5
6
7
0
/ KI
/ KI
/ KI
/ KI
Key OFF
0
1
2
3
_____
3
, the key-input interrupt request bit goes to “1”.
V
REF
Key ON
I/O port
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Key matrix scan
M16C / 62A Group
Mitsubishi microcomputers