HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 510

• Manufacturer Part Number: HD64F3644H
• Description: IC H8 MCU FLASH 32K 64-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644H

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-QFP
• Package: 64PQFP
• Family Name: H8
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 45
• Interface Type: SCI
• On-chip Adc: 8-chx8-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Appendix B Internal I/O Registers
IRR1—Interrupt request register 1
Rev. 6.00 Sep 12, 2006 page 488 of 526
REJ09B0326-0600
Bit
Initial value
Read/Write
Note: * Only a write of 0 for flag clearing is possible.
Timer B1 interrupt request flag
0 [Clearing condition]
1 [Setting condition]
When IRRTB1 = 1, it is cleared by writing 0
When timer counter B1 overflows from H'FF to H'00
Timer A interrupt request flag
0 [Clearing condition]
1 [Setting condition]
When IRRTA = 1, it is cleared by writing 0
When timer counter A overflows from H'FF to H'00
IRRTB1
R/W
7
0
*
IRQ
0 [Clearing condition]
1 [Setting condition]
3
When IRRIn = 1, it is cleared by writing 0
When pin IRQn is set for interrupt input and the designated signal
edge is input
IRRTA
to IRQ
R/W
6
0
*
0
interrupt request flag
—
—
5
0
—
—
4
1
IRRI3
R/W
3
0
*
H'FFF7
IRRI2
R/W
2
0
*
IRRI1
R/W
1
0
System control
*
(n = 3 to 0)
IRRI0
R/W
0
0
*