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Chapter 10 Stepper Stall Detector (SSDV1)
MC9S12HZ256 Data Sheet, Rev. 2.04
296
Freescale Semiconductor
Table 10-4. Transistor Condition States (RTZE = 1)
STEP
ITG
DCOIL
RCIR
T1
T2
T3
T4
T5
T6
T7
T8
xx
1
0
x
OFF
00
0
OFF
ON
OFF
ON
OFF
00
0
1
OFF
ON
OFF
ON
00
0
1
0
ON
OFF
ON
OFF
ON
OFF
00
0
1
ON
OFF
ON
OFF
ON
OFF
ON
00
1
x
ON
OFF
ON
OFF
01
0
ON
OFF
ON
OFF
01
0
1
OFF
ON
OFF
ON
OFF
01
0
1
0
ON
OFF
ON
OFF
ON
OFF
ON
01
0
1
OFF
ON
OFF
ON
OFF
ON
01
1
x
OFF
ON
OFF
ON
10
0
OFF
ON
OFF
ON
OFF
10
0
1
OFF
ON
OFF
ON
10
0
1
0
OFF
ON
OFF
ON
OFF
ON
OFF
10
0
1
OFF
ON
OFF
ON
OFF
ON
10
1
x
OFF
ON
OFF
11
0
ON
OFF
ON
OFF
11
0
1
OFF
ON
OFF
ON
OFF
11
0
1
0
ON
OFF
ON
OFF
ON
OFF
11
0
1
OFF
ON
OFF
ON
OFF
ON
OFF
11
1
x
OFF
ON
OFF
Table 10-5. Switch Condition States (RTZE = 1 or 0)
ITG
STEP
POL
S1
S2
S3
S4
S5
S6
S7
S8
0
xx
x
Open
1
00
0
Open
Close
Open
Close
1
00
1
Open
Close
Open
1
01
0
Open
Close
Open
1
01
1
Close
Open
Close
Open
1
10
0
Open
Close
Open
1
10
1
Open
Close
Open
Close
1
11
0
Close
Open
Close
Open
1
11
1
Open
Close
Open