参数资料
型号: IDT88P8344BHGI
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 微控制器/微处理器
英文描述: SPI EXCHANGE 4 x SPI-3 TO SPI-4 Issue 1.0
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA820
封装: GREEN, PLASTIC, BGA-820
文件页数: 53/98页
文件大小: 601K
代理商: IDT88P8344BHGI
53
IDT88P8344 SPI EXCHANGE 4 x SPI-3 TO SPI-4
INDUSTRIAL TEMPERATURE RANGE
APRIL 10, 2006
I_SYNCH_EN
synchronization to in synchronization condition interrupt indication enable.
0=Disable synchronization interrupt
1=Enable synchronization interrupt
SPI-4 ingress data path has transitioned fromout of
I_BUS_ERR_EN
0=Disable bus error interrupt
1=Enable bus error interrupt
SPI-4 ingress bus error interrupt indication enable.
SPI4_INACTIVE_TRANSFER_EN
SPI-4 ingress inactive transfer inter-
rupt indication enable.
0=Disable inactive transfer interrupt
1=Enable inactive transfer interrupt
DCLK_UN_EN
SPI-4 ingress data clock has transitioned fromavailable
to an unavailable condition interrupt indication enable.
0=Disable unavailable interrupt
1=Enable unavailable interrupt
E_DIP_ERR_EN
on the SPI-4 egress status channel.
0=Disable DIP-2 error interrupt
1=Enable DIP-2 error interrupt
SPI-4 egress DIP-2 error interrupt indication enable
E_SYNCH_EN
SPI-4 egress status channel has transitioned fromout of
synchronization to in synchronization condition interrupt indication enable.
0=Disable synchronization interrupt
1=Enable synchronization interrupt
SCLK_UN_EN
SPI-4 egress status clock has transitioned fromavailable
to an unavailable condition interrupt indication enable. SCLK_UN_EN should
be written as a zero if using a SPI-4 egress LVTTL status clock that is less than
one-half of the MCLK frequency. The SCLK_UN_I interrupt indication is not
usable in this case.
0=Disable unavailable interrupt
1=Enable unavailable interrupt
Module status register (0x24 to 0x27 in the direct
accessed space)
TABLE 42 - MODULE STATUS REGISTER (0x24 TO
0x27 IN THE DIRECT ACCESSED SPACE)
Field
Bits
Length
1
1
1
1
1
3
Initial Value
0
0
0
0
0
0
SPI-34_CAPTURE
SPI-43_CAPTURE
SPI-34_INSERT
SPI-43_INSERT
PMON
Reserved
The Module Status registers (0x24 to 0x27 in the direct accessed space)
have read and write access, and interrupt status fields are cleared by a
mcroprocessor write cycle, where a logical one must be written to clear the
field(s) targeted, except for the PMON field, which can not be cleared.
0
1
2
3
4
7:5
The Module Status registers are secondary interrupt status registers and can
only be active if the corresponding field is active in the Primary Interrupt Status
Register (Direct 0x2C):
Module Status Register 0x24 is for module A, and can only be active if the
MODULE_A field is active in the Primary Interrupt Status Register.
Module Status Register 0x25 is for module B, and can only be active if the
MODULE_B field is active in the Primary Interrupt Status Register.
Module Status Register 0x26 is for module C, and can only be active if the
MODULE_C field is active in the Primary Interrupt Status Register.
Module Status Register 0x27 is for module D, and can only be active if the
MODULE_D field is active in the Primary Interrupt Status Register.
SPI-34_CAPTURE
rupt indication.
0=No capture event
1=Buffer is ready for reading by the mcroprocessor
SPI-3 ingress to SPI-4 egress capture event inter-
SPI-43_CAPTURE
indication.
0=No capture event
1=Buffer is ready for reading by the mcroprocessor
SPI-4 ingress to SPI-3 egress capture event interrupt
SPI-34_INSERT
SPI-3 ingress to SPI-4 egress insert event interrupt
indication.
0=No insert event
1=Buffer is ready for writing by the mcroprocessor
SPI-43_INSERT
indication.
0=No insert event
1=Buffer is ready for writing by the mcroprocessor
SPI-4 ingress to SPI-3 egress insert event interrupt
PMON
Performance Monitor event interrupt indication. Writing to this field has
no effect.
0=No PMON event
1=PMON event is ready for reading by the mcroprocessor
Module enable register (0x28 to 0x2B in the direct
accessed space)
The Module Enable registers (0x28 to 0x2B in the direct accessed space)
have read and write access.
Module Enable Register 0x28 is for module A.
Module Enable Register 0x29 is for module B.
Module Enable Register 0x2A is for module C.
Module Enable Register 0x2B is for module D.
Field
Bits
Length
1
1
1
1
1
3
Initial Value
0
0
0
0
0
0
SPI-34 CAPTURE_EN
SPI-43 CAPTURE_EN
SPI-34 INSERT_EN
SPI-43 INSERT_EN
PMON_EN
Reserved
0
1
2
3
4
7:5
TABLE 43 - MODULE ENABLE REGISTER (0x28 TO
0x2B IN THE DIRECT ACCESSED SPACE)
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