HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 110

• Manufacturer Part Number: HD64F7051SFJ20V
• Description: MCU 5V 256K J-TEMP PB-FREE QFP-1
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7050r

Specifications of HD64F7051SFJ20V

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, WDT
• Number Of I /o: 102
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 168-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 6 Interrupt Controller (INTC)
Bits 7 to 0—IRQ0–IRQ7 Flags (IRQ0F–IRQ7F): These bits display the IRQ0–IRQ7 interrupt
request status.
Bits 7-0:
IRQ0F–IRQ7F
0
1
Rev. 5.00 Jan 06, 2006 page 88 of 818
REJ09B0273-0500
IRQ pin
(IRQn interrupt reception/writing a 0 to IRQnF after reading an IRQnF = 1)
Detection Setting
Level detection
Edge detection
Level detection
Edge detection
RESIRQn
detection
detection
Figure 6.2 IRQ0 – IRQ7 Interrupt Control
edge
level
No IRQn interrupt request exists.
An IRQn interrupt request exists.
Description
Clear conditions: When IRQn input is high level
No IRQn interrupt request was detected. (initial value)
Clear conditions:
1. When a 0 is written after reading IRQnF = 1 status
2. When IRQn interrupt exception processing has been
Set conditions: When IRQn input is low level
An IRQn interrupt request was detected.
Set conditions: When a falling edge occurs at an IRQn
input
executed
(0: level, 1: edge)
S
R
Q
IRQnS
ISR.IRQnF
CPU
interrupt
request