參數(shù)資料
型號(hào): UPD784915A
廠商: NEC Corp.
英文描述: 16-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 16位單晶片微控制器
文件頁數(shù): 43/86頁
文件大?。?/td> 446K
代理商: UPD784915A
μ
PD784915A, 784916A
43
(2) DPG comparator, DFG amplifier, and DPFG separation circuit
The DPG comparator converts the drum PG (DPG) signal that indicates the phase information of the drum motor
into a logic signal.
The DFG amplifier amplifies the drum FG (DFG) signal that indicates the speed information of the drum motor.
The DPFG separation circuit (ternary separation circuit) separates a drum PFG (DPFG) signal having speed and
phase information into a DFG and DPG signals.
Figure 3-20. Block Diagram of DPG Comparator, DFG Amplifier, and DPFG Separation Circuit
AMPC.2
S
AMPM0.2
1
0
S
AMPC.2
1
0
V
REF
AMPM0.0
DPGIN
AMPC.2
V
REF
AMPM0.0
+
-
S
AMPM0.2
1
0
S
AMPC.2
1
0
DFGIN
AMPM0.2
AMPC.2
AMPM0.2
1
0
DPFG separation circuit
(ternary separation circuit)
Drum PG signal
Drum FG signal or
drum PFG signal
DPG
comparator
DFG amplifier
DPG signal
(to timer unit)
DFG signal
(to timer unit)
相關(guān)PDF資料
PDF描述
UPD784915AGF 16-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784916A 16-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784916AGF 16-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784915B 16-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784915BGF 16-BIT SINGLE-CHIP MICROCONTROLLERS
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