參數資料
型號: 56F8014
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: 16-bit Digital Signal Controllers
中文描述: 16位數字信號控制器
文件頁數: 72/124頁
文件大?。?/td> 1878K
代理商: 56F8014
56F8014 Technical Data, Rev. 3
72
Freescale Semiconductor
Preliminary
6.3.8.3
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
Reserved—Bits 13–12
Note:
Take care when programming the following CFG_* signals so as not to connect two
different I/O pads to the same peripheral input. For example, do not set CFG_B7 to select
SCL and also set CFG_B0 to select SCL. If this occurs for an output signal, then the signal
will be routed to two I/O pads. For input signals, the values on the two I/O pads will be
ORed together before reaching the peripheral.
6.3.8.4
This bit selects the alternate function for GPIOB7.
Configure GPIOB7 (CFG_B7)—Bit 11
0 = TXD (default)
1 = SCL
6.3.8.5
This bit selects the alternate function for GPIOB6.
Configure GPIOB6 (CFG_B6)—Bit 10
0 = RXD (default)
1 = SDA
Note:
The CLKMODE bit in the OCCS Oscillator Control register can enable this pin as the
source clock to the chip. In this mode, make sure that no on-chip peripheral (including the
GPIO) is driving this pin.
6.3.8.6
This bit selects the alternate function for GPIOB5.
Configure GPIOB5 (CFG_B5)—Bit 9
0 = T1 (default)
1 = FAULT3
6.3.8.7
This bit selects the alternate function for GPIOB4.
Configure GPIOB4 (CFG_B4)—Bit 8
0 = T0 (default)
1 = CLKO
6.3.8.8
This bit selects the alternate function for GPIOB3.
Configure GPIOB3 (CFG_B3)—Bit 7
0 = MOSI (default)
1 = T3
6.3.8.9
This bit selects the alternate function for GPIOB2.
Configure GPIOB2 (CFG_B2)—Bit 6
0 = MISO (default)
1 = T2
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