參數(shù)資料
型號： VRC4372-1
英文描述： I/O CONTROLLER
中文描述： I / O控制器
文件頁數(shù)： 11/66頁
文件大?。?/td> 721K
代理商： VRC4372-1
11
V
RC
4372 I/O Controller
Table 15. DSCTIM, RTYTIM, TDYTIM, PAPC
Bit(s)
Symbol
Functional Description
7:0
DSCTIM
Disconnect timer (not implemented); read as 0
15:8
RTYTIM
Retry timer; reset value is 00
23:16
TDYTIM
TRDY timer (not implemented); read as 0
25:24
PAPC
PCI arbiter priority control register; reset value is 00
Rotating fair (00); REQ0 owns the bus during Idle mode
Rotating alternate 0 (01); REQ0 owns the bus during Idle
mode
Rotating alternate I (10); the V
RC
4372 owns the bus
during Idle mode
Not used (11)
26
TKYGNT
Take away grant; reset value is 00
When 0, REQx is granted and continues until the request
is removed.
When 1, REQx is granted, but the bus loses the GNTx to
higher priority requests. Since only rotating priority
schemes are used, all requests are at a higher priority.
MLTIM determines the minimum bus tenure for a master.
31:27
Undefined
Read as 0
相關(guān)PDF資料
PDF描述
VRC4373 SYSTEM CONTROLLER
VRE104C Voltage Reference
VRE104CA Voltage Reference
VRE104M Voltage Reference
VRE104MA Voltage Reference
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