参数资料
型号: MC56F8355MFG60
厂商: MOTOROLA INC
元件分类: 数字信号处理
英文描述: 4-BIT, 120 MHz, OTHER DSP, PQFP128
封装: LQFP-128
文件页数: 8/152页
文件大小: 2224K
代理商: MC56F8355MFG60
Register Descriptions
56F8355 Technical Data
105
Preliminary
Figure 6-11 GPIO Peripheral Select Register (SIM_GPS)
6.5.8.1
Reserved—Bits 15–4
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
6.5.8.2
GPIO C3 (C3)—Bit 3
This bit selects the alternate function for GPIOC3.
0 = HOME1/TB3 (default - see “Switch Matrix Mode” bits of the Quad Decoder DECCR register
in the 56F8300 Peripheral User’s Manual)
1 = SS1
6.5.8.3
GPIO C2 (C2)—Bit 2
This bit selects the alternate function for GPIO C2.
0 = INDEX1/TB2 (default)
1 = MISO1
6.5.8.4
GPIO C1 (C1)—Bit 1
This bit selects the alternate function for GPIOC1.
0 = PHASEB1/TB1 (default)
1 = MOSI1
6.5.8.5
GPIO C0 (C0)—Bit 0
This bit selects the alternate function for GPIO C0.
0 = PHASEA1/TB0 (default)
1 = SCLK1
6.5.9
Peripheral Clock Enable Register (SIM_PCE)
The Peripheral Clock Enable register is used enable or disable clocks to the peripherals as a power
savings feature. The clocks can be individually controlled for each peripheral on the chip.
Figure 6-12 Peripheral Clock Enable Register (SIM_PCE)
Base + $B
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
C3
C2
C1
C0
Write
RESET
00
0000
00000
0
Base + $C
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
EMI
ADCB
ADCA
CAN
DEC1
DEC0
TMRD
TMRC
TMRB
TMRA
SCI 1
SCI 0
SPI 1
SPI 0
PWMB
PWMA
Write
RESET
1
111
1
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