參數(shù)資料
型號： MC68MH360VR25L
廠商： Freescale Semiconductor
文件頁數(shù)： 151/158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
QMC Supplement
Since the SIMODE register defaults to 0x0000_0000, a typical application may set these
bits as follows:
SIMODE.CRTa = 1;
/* common syncs & clocks */
SIMODE.RFSDa = 1;
/* receive frame sync = 1 clock delay */
SIMODE.TFSDa = 1;
/* transmit frame sync = 1 clock delay */
Step 2: Initialize the SICR (SI clock route) register. The SICR register is dened on page
7-86 of the MC68360 User’s Manual and page 16-121 of the MPC860 User’s Manual.
Table 6-2 shows the SICR bit settings.
As the SICR register defaults to 0x0000_0000, a typical application may set these bits as
follows:
SICR.SC1 = 1;
/* SCC1 is TDM */
Step 3: Congure port A for TDMa and/or TDMb signals, L1TXDx, L1RXDx, L1TCLKx,
and L1RCLKx. For more information on port A, see page 7-358 of the MC68360 User’s
Manual and page 16-455 of the MPC860 User’s Manual.
The following setting enables TDMa and TDMb, and selects both L1TCLKx and
L1RCLKx pins. Note that only L1RCLKx is required if common clocking is selected by
the CRTx bit in the SIMODE register.
PAPAR = 0xA5F0;
/* init port A pin assignment register */
PADIR = 0x00F0;
/* init port A data direction register */
Step 4: Congure port B for TDMa and/or TDMb signals, L1CLKOx and L1ST1, 2, 3, and/
or 4. For more information on port B, see page 7-363 of the MC68360 User’s Manual and
page 16-460 of the MPC860 User’s Manual.
The following setting enables both L1CLKOx and all L1STx strobes. Note that the L1STx
functions are repeated on port C and should only be congured on one port.
PBPAR = 0xFC00;
/* init port B pin assignment register */
PBDIR = 0x0C00;
/* init port B data direction register */
Table 6-2. SICR Bit Settings
Name
No. of Bits
Description
Setting
GRx
1
Support SCCx grant mode
0
SCx
1
Connect SCCx to TDM or NMSI
1
RxCSx
3
Connect SCCx receive to a clock
X - as SCx = 1
TxCSx
3
Connect SCCx transmit to a clock
X - as SCx = 1
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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