cn8237 Mindspeed Technologies, cn8237 Datasheet - Page 327
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cn8237
Manufacturer Part Number
cn8237
Description
Atm Oc-12 Servicesar Plus With Xbr Traffic Management
Manufacturer
Mindspeed Technologies
Datasheet
1.CN8237.pdf
(415 pages)
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CN8237
ATM OC-12 ServiceSAR Plus with xBR Traffic Management
Table 14-6. PCI Command Register (0x04) (2 of 2)
Table 14-7. PCI Special Status Register (0x40) (1 of 2)
28237-DSH-001-C
NOTE(S):
(1)
(2)
23–16
5–3
Bit
Bit
31
30
29
28
27
26
25
24
6
2
1
0
May be loaded from EEPROM.
Should only be set after the PCI Base Address register has been set.
Field
Size
Field
Size
1
1
1
1
1
1
1
1
8
1
3
1
1
1
EN_SID_WR
MSTR_CTRL_SWAP
SLAVE_SWAP
SLAVE_DWORD
MSTR_DATA_DWORD
MSTR_CTRL_DWORD
Reserved
PCI_EMPTY_MODE
Memory Size Mask
PE_EN
Reserved
M_EN
MS_EN
—
(1) (2)
Name
(1)
(1) (2)
Name
(1)
(1)
(1)
(1)
Mindspeed Technologies
(1)
(1)
Enable SVID/SID Write. Default = 0.
Enable byte swapping on control words that the SAR writes. Default = low.
Enable byte swapping on control words of a slave write or read access.
Default = low.
Slave DWORD conversion.
Master Data DWORD conversion.
Master Control DWORD conversion.
NOTE(S):
Set to 0.
Fast Empty Flag mode. Logic low is default on reset.
An 8-bit mask which sets one of a range of values for the size of the PCI
address space. Default=0000000.
Parity Error detection and report enable.
Set to 0.
Master enable. M_EN must be asserted (that is, set to 1) before the
CN8237 can act as master on the PCI bus.
Memory Space enable. MS_EN must be asserted (that is, set to 1) before
the CN8237 address space (registers and memory) can be accessed
across the PCI interface.
I/O Space enable. (Not used.) Set to 0.
00000000 = 16 M
10000000 = 8 M
Set to 1 for normal operation.
™
Description
Description
14.7 PCI Bus Interface Registers
14.0 CN8237 Registers
14-37
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