CS5535-UDCF AMD (ADVANCED MICRO DEVICES), CS5535-UDCF Datasheet - Page 359

• Manufacturer Part Number: CS5535-UDCF
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of CS5535-UDCF

• Operating Temperature (min): 0C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Programmable Interrupt Controller Register Descriptions
6.9.2.6
I/O Port
Type
Reset Value
6.9.2.7
I/O Port
Type
Reset Value
AMD Geode™ CS5535 Companion Device Data Book
IRQ7_15M
Bit
Bit
7:5
4:3
2:0
7
6
5
4
3
2
1
0
7
7
Operation Command Word 1 / Interrupt Mask (PIC_OCW1/IMR)
Operation Command Word 2 (PIC_OCW2)
Name
IRQ7_15M
IRQ6_14M
IRQ5_13M
IRQ4_12M
IRQ3_11M
IRQ2_10M
IRQ1_9M
IRQ0_8M
Name
ROT_EOI
00
IRQ
Master: 021h
Slave:
IRQ6_14M
Master: 020h
Slave:
ROT_EOI
6
6
0A1h
R/W
00h
0A0h
WO
00h
IRQ5_13M
Description
IRQ7 / IRQ15 Mask. 0: Not Masked; 1: Masked.
IRQ6 / IRQ14 Mask. 0: Not Masked; 1: Masked.
IRQ5 / IRQ13 Mask. 0: Not Masked; 1: Masked.
IRQ4 / IRQ12 Mask. 0: Not Masked; 1: Masked.
IRQ3 / IRQ11 Mask. 0: Not Masked; 1: Masked.
IRQ2 / IRQ10 Mask. 0: Not Masked; 1: Masked.
IRQ1 / IRQ9 Mask. 0: Not Masked; 1: Masked.
IRQ0 / IRQ8 Mask. 0: Not Masked; 1: Masked.
Description
Rotate/EOI Codes.
000: Clear rotate in Auto EOI mode.
100: Set rotate in Auto EOI mode.
001: Non-specific EOI.
101: Rotate on non-specific EOI command.
010: No operation.
110: Set priority command (bits [2:0] must be valid).
011: Specific EOI (bits [2:0] must be valid.
111: Rotate on specific EOI command (bits [2:0] must be valid)
Write to 0. Write to 00 to write OCW2 (rather than OCW3 or ICW1). (See Section 6.9.2
"PIC Native Registers" on page 356.)
IRQ Number (000-111).
5
5
PIC_OCW1/IMR Bit Descriptions
PIC_OCW1/IMR Register Map
PIC_OCW2 Bit Descriptions
PIC_OCW2 Register Map
IRQ4_12M
4
4
00
IRQ3_11M
3
3
IRQ2_10M
2
2
31506B
IRQ1_9M
IRQ
1
1
IRQ0_8M
0
0
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