參數(shù)資料
型號: MC56F8347VPY60
廠商: MOTOROLA INC
元件分類: 數(shù)字信號處理
英文描述: 16-BIT, 120 MHz, OTHER DSP, PQFP160
封裝: LQFP-160
文件頁數(shù): 9/160頁
文件大?。?/td> 2217K
代理商: MC56F8347VPY60
106
56F8347 Technical Data
Preliminary
6.5.6.7
XBOOT—Bit 9
This bit controls the pull-up resistors on the EXTBOOT pin.
6.5.6.8
PWMB—Bit 8
This bit controls the pull-up resistors on the FAULTB0, FAULTB1, FAULTB2, and FAULTB3
pins.
6.5.6.9
PWMA0—Bit 7
This bit controls the pull-up resistors on the FAULTA0, FAULTA1, and FAULTA2 pins.
6.5.6.10
Reserved—Bit 6
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
6.5.6.11
CTRL—Bit 5
This bit controls the pull-up resistors on the WR and RD pins.
6.5.6.12
Reserved—Bit 4
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
6.5.6.13
JTAG—Bit 3
This bit controls the pull-up resistors on the TRST, TMS and TDI pins.
6.5.6.14
Reserved—Bits 2 - 0
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
6.5.7
CLKO Select Register (SIM_CLKOSR)
The CLKO select register can be used to multiplex out any one of the clocks generated inside the
clock generation and SIM modules. The default value is SYS_CLK. All other clocks primarily
muxed out are for test purposes only, and are subject to significant unspecified latencies at high
frequencies.
The upper four bits of the GPIO B register can function as GPIO, A23 through A20, or as additional
clock output signals. GPIO has priority and is enabled/disabled via the GPIOB_PER. If GPIO
B[7:4] are programmed to operate as peripheral outputs, then the choice between A23 through A20
and additional clock outputs is done here in the CLKOSR. The default state is for the peripheral
function of GPIO B[7:4] to be programmed as A23 through A20. This can be changed by altering
A23 through A20 as shown in Figure 6-9.
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