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參數(shù)資料
| 型號： | MTC20136 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | ADSL TRANSCEIVER CONTROLLER |
| 中文描述： | 寬帶收發(fā)器控制器 |
| 文件頁數(shù)： | 17/25頁 |
| 文件大小： | 634K |
| 代理商： | MTC20136 |
17/25
MTC20136
The Ctrl-E physical interface between the mailbox and an external controller can be used in one of two
modes: as a dedicated serial bus interface or as a generic parallel bus interface. Selection between serial
and parallel mode is done with an external mode strap, IO pins are shared.
Ctrl-E Mailbox
The Ctrl-E Mailbox occupies a 512 byte memory map accessible by the Ctrl-E physical interface and by
the ASB bus. The mailbox memory map is given in Table 4.
An external interrupt can be generated by the Mailbox interrupt controller.
A full description of the CTRLE protocol and use of the CTRLE mailbox is available in the “CTRLE Inter-
face Specifications” documents, available separately.
Table 4. Ctrl-E controller memory map:
Field
Acc
Mailbox
Address MA[8:0]
000
h
Size(bit)
Initial
Function
TxCommand
RW
8
00
h
Command written by Ctrl-E, read by
ASB
Command written by ASB, read by
Ctrl-E
1-bit register : 1 if TX command
available
1-bit register : 1 if RX command
available
Semaphore for access to written by
ASB, read by Ctrl-E
507x8 bit data buffer
RxCommand
RW
001
h
8
00
h
TxComAv
RW
002
h
1
0
b
RxComAv
RW
003
h
1
0
b
Semaphore
PV
004
h
2
00
b
CtrleDataBuffer
RW
005
h
-1FF
h
8
00
h
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