ST7FMC2N6B6(2004) 查看數據表（PDF） - STMicroelectronics
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ST7FMC2N6B6
(Rev.:2004)
(Rev.:2004)
STMicroelectronics
ST7FMC2N6B6 Datasheet PDF : 294 Pages
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ST7MC1/ST7MC2
MOTOR CONTROLLER (Cont’d)
Note on using the 3 MCIx pins as standard
I/Os: When none of the MCIx pins are needed in
the application (for instance when driving an in-
duction motor in open loop), they can be used as
standard I/O ports, by configuring the Motor Con-
Table 36. MCIx pin configuration summary
troller as follows: PCN=1, TES≠0 and IS=11. This
disables the MCIx alternate functions and switch-
es off the phase comparator. The state of the MCIx
pins is summarized in Table 36.
Input
PCN TES SR IS[1:0] MCIA
MCIB
MCIC
Detection
Comments
Block Mode
00 Analog Input Hi-Z or GND Hi-Z or GND
01 Hi-Z or GND Analog Input Hi-Z or GND Sensorless
0
10 Hi-Z or GND Hi-Z or GND Analog input
All MCIx pins are reserved
for the MTC peripheral
00
0
1
11
NA
NA
NA
00 Digital Input Standard I/O Standard I/O
01 Standard I/O Digital Input Standard I/O
10 Standard I/O Standard I/O Digital Input
NA
Position
Sensor
From 1 to 3 MCIx pins reserved
depending on sensor
11
NA
NA
NA
NA
≠0 x xx
NA
NA
NA
NA
00 Analog Input Standard I/O Standard I/O
Phase comparator is ON.
01 Standard I/O Analog Input Standard I/O
NA
The IS[1:0] bits must not be modified
to avoid spurious event detection
00 x 10 Standard I/O Standard I/O Analog Input
in Motor Controller
All MCIx pins are standard I/Os.
11 Standard I/O Standard I/O Standard I/O
NA
Recommended configuration:
1
phase comparator OFF
≠00 x
00 Digital Input Standard I/O Standard I/O
01
Standard I/O
Digital Input
Standard I/O
Speed Sensor
Tachogenerator
10 Standard I/O Standard I/O Digital Input
11
Digital Input
Digital Input Standard I/O
Speed Sensor
Encoder
*When PCN=0, TES=0 SR=0, inputs in OFF-state are put in HiZ or grounded depending on the value of
the DISS bit in the MSCR register.
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