mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 292

• Manufacturer Part Number: mc9s12hz256v2
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 10 Stepper Stall Detector (SSDV1)
10.1.3
292
Bus Clock
Block Diagram
sigma-delta converter
P
A
D
VDDM
VSSM
(analog)
T1
T2
R1
reference
integrator
1/8
COSxP
S1
S2
Coil COSx
x = A or B
Coil SINx
–
+
COSxM
C1
S3
S4
MC9S12HZ256 Data Sheet, Rev. 2.05
Figure 10-1. SSD Block Diagram
1/2
T4
VDDM
T3
VSSM
VDDM
VSSM
R2
R2
P
A
D
1/2
–
+
DAC
P
A
D
VDDM
VSSM
4:1 MUX
T5
T6
1/2
SINxP
S5
S6
DFF
SINxM
1/8
S7
S8
2:1 MUX
T8
VDDM
T7
VSSM
16-bit accumulator
P
A
D
register
16-bit load
16-bit modulus
register
down counter
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