參數(shù)資料
型號: SPAK56F8346FV60
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 16-BIT, 240 MHz, OTHER DSP, PQFP144
封裝: 20 X 20 MM, 0.50 MM PITCH, 1.40 MM HEIGHT, PLASTIC, LQFP-144
文件頁數(shù): 4/156頁
文件大小: 2219K
代理商: SPAK56F8346FV60
Register Descriptions
MOTOROLA
56F8346 Technical Data
101
Preliminary
6.5.6.8
PWMA0
This bit controls the pull-up resistors on the FAULTA0, FAULTA1, and FAULTA2 pins.
6.5.6.9
CTRL
This bit controls the pull-up resistors on the WR and RD pins.
6.5.6.10
JTAG
This bit controls the pull-up resistors on the TRST, TMS and TDI pins.
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, A[23:20], 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 A[23:20] 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
A[23:20]. This can be changed by altering A23 through A20 below.
Figure 6-9 CLKO Select Register (SIM_CLKOSR)
6.5.7.1
Reserved—Bits 15–10
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
6.5.7.2
GPIO B[7] Peripheral Function Select (A23)—Bit 9
0 = Peripheral output function of GPIO B[7] is defined to be A[23]
1 = Peripheral output function of GPIO B[7] is defined to be the oscillator clock (MSTR_OSC, see
6.5.7.3
GPIO B[6] Peripheral Function Select (A22)—Bit 8
0 = Peripheral output function of GPIO B[6] is defined to be A[22]
1 = Peripheral output function of GPIO B[6] is defined to be SYS_CLK_X2
6.5.7.4
GPIO B[5] Peripheral Function Select (A21)—Bit 7
0 = Peripheral output function of GPIO B[5] is defined to be A[21]
1 = Peripheral output function of GPIO B[5] is defined to be sys_clk
6.5.7.5
GPIO B[4] Peripheral Function Select (A20)—Bit 6
0 = Peripheral output function of GPIO B[4] is defined to be A[20]
1 = Peripheral output function of GPIO B[4] is defined to be the prescaler clock (FREF, see
Base + $A
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
A23
A22
A21
A20
CLK
DIS
CLKOSEL
Write
RESET
0
00
1
0
000
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