S3C8075 datasheet(56/208 Pages) SAMSUNG

Part #	S3C8075

Description	SAM87 family of 8-bit single-chip CMOS microcontrollers, 272-byte general purpose register area, 16-Kbyte internal program memory

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Manufacturer	SAMSUNG [Samsung semiconductor]

Direct Link	http://www.samsung.com/Products/Semiconductor

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56 / 208 page

CONTROL REGISTERS

S3C8075/P8075

4-12

IRQ — Interrupt Request Register

DCH

Set 1

Bit Identifier

.7

.6

.5

.4

.3

.2

.1

.0

RESET

RESET Value

–

0

Read/Write

–

R

Addressing Mode

Register addressing mode only

.7

Level 7 (IRQ7) Request Pending Bit; P4.4–P4.7 External Interrupt (INT8–INT11)

0

No IRQ7 interrupt pending

1

IRQ7 interrupt is pending

.6

Level 6 (IRQ6) Request Pending Bit; P4.2 or P4.3 External Interrupt (INT6, INT7)

0

No IRQ6 interrupt pending

1

IRQ6 interrupt is pending

.5

Level 5 (IRQ5) Request Pending Bit; P4.1 External Interrupt (INT5)

0

No IRQ5 interrupt pending

1

IRQ5 interrupt is pending

.4

Level 4 (IRQ4) Request Pending Bit; P4.0 External Interrupt (INT4)

0

No IRQ4 interrupt pending

1

IRQ4 interrupt is pending

.3

Level 3 (IRQ3) Request Pending Bit; P2.4–P2.7 External Interrupt (INT0–INT3)

0

No IRQ3 interrupt pending

1

IRQ3 interrupt is pending

.2

Level 2 (IRQ2) Request Pending Bit; Serial Receive or Transmit Interrupt

0

No IRQ2 interrupt pending

1

IRQ2 interrupt is pending

.1

Level 1 (IRQ1) Request Pending Bit; Timer C or Timer D Overflow Interrupt

0

No IRQ1 interrupt pending

1

IRQ1 interrupt is pending

.0

Level 0 (IRQ0) Request Pending Bit; Timer A Match Interrupt

0

No IRQ0 interrupt pending

1

IRQ0 interrupt is pending

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S3C8075 Datasheet(PDF) 56 Page - Samsung semiconductor

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