参数资料
型号: SPD6729QCE
厂商: INTEL CORP
元件分类: 总线控制器
英文描述: PCMCIA BUS CONTROLLER, PQFP208
封装: MQFP-208
文件页数: 66/116页
文件大小: 1442K
代理商: SPD6729QCE
PCI-to-PC Card (PCMCIA) Controller — PD6729
Datasheet
53
Bits 3-0: IRQ Level
These bits determine which IRQ will occur when the card causes an interrupt through the RDY/
-IREQ pin on the PCMCIA socket.
Bit 4: Manage Int Enable
This bit was created to determine how management interrupts occur on ISA-based systems. It is
included for software compatibility. Because there is no -INTR pin on the PCI bus, setting this bit
to a ‘1’ would cause management interrupts not to occur.
Bit 5: Card Is I/O
This bit determines how dual-function socket interface pins will be used. For more information on
specific pins, refer to Table 2 on page 18.
0000
IRQ disabled
0001
Reserved
0010
Reserved
0011
IRQ3 (INTA#)
0100
IRQ4 (INTB#)
0101
IRQ5 (INTC#)
0110
Reserved
0111
IRQ7 (INTD#)
1000
Reserved
1001
IRQ9
1010
IRQ10
1011
IRQ11
1100
IRQ12
1101
Reserved
1110
IRQ14 (This output can alternately be used as external clock input.)
1111
IRQ15 (This output can alternately be used as ring indicate output.)
0
Management IRQ (see “Bits 7-4: Management IRQ” on page 57) specifies management
interrupt bits.
1
Reserved. No hardware function in the PD6729.
0
Sets Memory Card Interface mode. The card socket is configured to support memory-only-type
cards. All dual-function socket interface pins are defined to perform memory-only-type interface
functions.
1
Sets I/O Card Interface mode. The card socket is configured to support combined I/O-and-
memory-type cards. All dual-function socket interface pins are defined to perform all I/O and
basic memory type interface functions.
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