參數(shù)資料
型號(hào)： MC68MH360ZQ33LR2
廠商： Freescale Semiconductor
文件頁數(shù)： 153/158頁
文件大?。?/td> 0K
描述： IC MPU QUICC 33MHZ 357-PBGA
標(biāo)準(zhǔn)包裝： 180
系列： M683xx
處理器類型： M683xx 32-位
速度： 33MHz
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： 帶卷 (TR)
QMC Supplement
Step 7: Enable TDM. The TDMs are enabled via the SI global mode register, SIGMR. For
more information on SIGMR programming, see page 7-77 of the MC68360 User’s Manual
and page 16-113 of the MPC860 User’s Manual. See Table 6-3 for SIGMR bit settings.
The following example enables both TDM channels for 32 entries.
SIGMR = 0x0E;
/* enable TDMa, TDMb, each 32 entries, no shadow */
Note that SIGMR[RDM] must be 0b1x if TDMb is used even if TDMa is not enabled.
Step 8. If shadow RAM is used, the SI command register (SICMR) is used to alternate
between normal and shadow RAM routings. For more information on SICMR
programming, see page 7-87 of the MC68360 user’s manual and page 16-122 of the
MPC860 user’s manual.
To enable both the Rx and Tx normal RAM area, use the following command:
SICMR = 0x00;
/* enable Rx and Tx normal RAM */
To enable both the Rx and TX shadow RAM area, use the following command:
SICMR = 0xF0;
/* enable Rx and Tx shadow RAM on both TDMs */
Change this entry dynamically to allow switching between the shadow and normal RAM.
Step 9. Initialize general SCCx mode reg high, GSMR_H (see Table 6-4). For more
information on GSMR programming, see page 7-111 of the MC68360 User’s Manual and
page 16-148 of the MPC860 User’s Manual.
Table 6-3. SIGMR Bit Settings
Name
Number of Bits
Description
Setting
ENB
1
Enable TDMb
System-specic
ENA
1
Enable TDMa
System-specic
RDM
2
RAM division mode
System-specic
Table 6-4. GSMR_H Bit Settings
Name
No. of Bits
Description
Setting
IPR
1
Infrared RX polarity, only on 860MH
X
GDE
1
Glitch detect enable
X
TCRC
2
Transparent CRC
System-specic
REVD
1
Reverse data
0
TRX
1
Transparent receiver
0
TTX
1
Transparent transmitter
0
CDP
1
CD pulse
1
CTSP
1
CTS pulse
1
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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