参数资料
型号: MC68MH360VR33LR2
厂商: Freescale Semiconductor
文件页数: 150/158页
文件大小: 0K
描述: IC MPU QUICC 33MHZ 357-PBGA
标准包装: 180
系列: M683xx
处理器类型: M683xx 32-位
速度: 33MHz
电压: 5V
安装类型: 表面贴装
封装/外壳: 357-BBGA
供应商设备封装: 357-PBGA(25x25)
包装: 带卷 (TR)
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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For More Information On This Product,
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