參數(shù)資料
型號: MC56F8357MPY60
廠商: FREESCALE SEMICONDUCTOR 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: PLASTIC, LQFP-160
文件頁數(shù): 19/176頁
文件大?。?/td> 2230K
代理商: MC56F8357MPY60
Register Descriptions
56F8357 Technical Data, Rev. 9.0
Freescale Semiconductor
115
Preliminary
Figure 6-10 Overall Control of Pads Using SIM_GPS Control
Table 6-2 Control of Pads Using SIM_GPS Control 1
1. This applies to the four pins that serve as Quad Decoder / Quad Timer / SPI / GPIOC functions. A separate set of control bits
is used for each pin.
Pin Function
Control Registers
Comments
GPIOC_PER
GPI
O
C
_
DT
R
SIM
_
GPS
Qu
a
d
T
imer
SCRRe
g
is
te
r
OE
N
b
it
s
GPIO Input
00
GPIO Output
01
Quad Timer Input /
Quad Decoder Input 2
2. Reset configuration
1—
0
See the “Switch Matrix for Inputs to the Timer”
table in the 56F8300 Peripheral User Manual
for the definition of the timer inputs based on
the Quad Decoder Mode configuration.
Quad Timer Output /
Quad Decoder Input 3
3. Quad Decoder pins are always inputs and function in conjunction with the Quad Timer pins.
1—
0
1
SPI input
1—
1
See SPI controls for determining the direction
of each of the SPI pins.
SPI output
1—-
1
GPIOC_PER Register
GPIO Controlled
I/O Pad Control
SIM_ GPS Register
Quad Timer Controlled
SPI Controlled
0
1
0
1
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