參數(shù)資料
型號: MC56F8355VFG60
廠商: MOTOROLA INC
元件分類: 數(shù)字信號處理
英文描述: 4-BIT, 120 MHz, OTHER DSP, PQFP128
封裝: LQFP-128
文件頁數(shù): 7/152頁
文件大?。?/td> 2224K
代理商: MC56F8355VFG60
104
56F8355 Technical Data
Preliminary
the peripheral function of GPIO C[3:0] to be programmed as decoder functions. This can be
changed by altering the appropriate controls in the indicated registers.
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
G
P
IO
C_
PER
GP
IO
C
_
DT
R
SIM
_
GPS
Q
u
a
d
Tim
er
SCR
Re
gis
te
r
OEN
b
its
GPIO Input
0
GPIO Output
0
1
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 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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