HD64F3337YCP16V Renesas Electronics America, HD64F3337YCP16V Datasheet - Page 110

• Manufacturer Part Number: HD64F3337YCP16V
• Description: MCU 3/5V 60K PB-FREE 84-PLCC
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300r

Specifications of HD64F3337YCP16V

• Core Size: 8-Bit
• Program Memory Size: 60KB (60K x 8)
• Oscillator Type: Internal
• Core Processor: H8/300
• Speed: 16MHz
• Connectivity: Host Interface, I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 74
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 84-PLCC
• No. Of I/o's: 74
• Ram Memory Size: 1KB
• Cpu Speed: 16MHz
• No. Of Timers: 6
• No. Of Pwm Channels: 2
• Digital Ic Case Style: PLCC
• Controller Family/series: H8/300
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Keyboard Matrix Interrupt Mask Register (KMIMR)
KMIMR is provided as a register for keyboard matrix interrupt masking. This register controls
interrupts from the KEYIN
Bits KMIMR7 to KMIMR0 of KMIMR correspond to key sense inputs KEYIN
In interrupt mask bit initialization, bit KMIMR6 corresponding to the IRQ
enable interrupt requests, while the other mask bits are set to disable interrupts.
KMIMR is an 8-bit readable/writable register used in keyboard matrix scan/sense. This register
initializes to a state in which only the input at the IRQ
interrupts from two or more pins in keyboard matrix scanning and sensing, clear the corresponding
mask bits to 0.
Figure 4.3 shows the relationship between the IRQ
Bits 7 to 0—Keyboard Matrix Interrupt Mask (KMIMR7 to KMIMR0): These bits control
key sense input interrupt requests KEYIN
Bits 7 to 0:
KMIMR7 to KMIMR0
0
1
Note: * Except KMIMR6, which is initially 0.
78
Bit
Initial value
Read/Write
KMIMR7 KMIMR6 KMIMR5 KMIMR4 KMIMR3 KMIMR2 KMIMR1 KMIMR0
R/W
7
1
Description
Key sense input interrupt request is enabled.
Key sense input interrupt request is disabled.
7
to KEYIN
R/W
6
0
0
R/W
key sense input pins for a 16 8 matrix keyboard.
5
1
7
to KEYIN
R/W
6
4
1
interrupt, KMIMR, and KMIMRA.
0
6
.
pin is enabled. To enable key sense input
R/W
3
1
R/W
2
1
6
/KEYIN
7
to KEYIN
R/W
1
1
6
pin is set to
(Initial value)*
0
.
R/W
0
1