參數(shù)資料
型號: MC68MH360VR25L
廠商: Freescale Semiconductor
文件頁數(shù): 150/158頁
文件大?。?/td> 0K
描述: IC MPU QUICC 25MHZ 357-PBGA
標(biāo)準(zhǔn)包裝: 44
系列: M683xx
處理器類型: M683xx 32-位
速度: 25MHz
電壓: 5V
安裝類型: 表面貼裝
封裝/外殼: 357-BBGA
供應(yīng)商設(shè)備封裝: 357-PBGA(25x25)
包裝: 托盤
Chapter 6. QMC Initialization
Chapter 6
QMC Initialization
60
This section describes the essential steps to initialize QMC after a hard reset. Section 6.1,
“Initialization Steps,” discusses the steps required to initialize the QMC protocol, and
Section 6.2, “68MH360 T1 Example,” provides example code.
6.1 Initialization Steps
This section describes the steps required to initialize the QMC protocol.
Step 1: Initialize the SIMODE (serial interface mode) register. The SIMODE register is
dened on page 7-78 of the MC68360 User’s Manual, and page 16-114 of the MPC860
user’s manual. Table 6-1 shows the transmit buffer descriptor eld descriptions.
Table 6-1. Transmit Buffer Descriptor Field Descriptions
Name
No. of Bits
Description
Setting
SMCx
1
Connect to TDM or NMSI
X
SMCxCS
3
Specify clock source
X
SDMx
2
Normal, echo, or loopback mode
00
RFSDx
2
Receive frame sync delay
System-specic
DSCx
1
Double-speed clock (GCI)
System-specic
CRTx
1
Common transmit and receive sync & clk
System-specic
STZx
1
Set L1TXDx to until serial clks
0
CEx
1
Clock edge for xmit
System-specic
FEx
1
Frame sync edge
System-specic
GMx
1
Grant mode support
0
TFSDx
2
Transmit frame sync delay
System-specic
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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