參數(shù)資料
型號: MC9RS08KB4CWJ
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PDSO20
封裝: 1.27 MM PITCH, ROHS COMPLIANT, MS-013AC, SOIC-20
文件頁數(shù): 20/48頁
文件大小: 847K
代理商: MC9RS08KB4CWJ
Electrical Characteristics
MC9RS08KB12 Series MCU Data Sheet, Rev. 3
Freescale Semiconductor
27
3.9.2
TPM/MTIM Module Timing
Synchronizer circuits determine the shortest input pulses that can be recognized or the fastest clock that
can be used as the optional external source to the timer counter. These synchronizers operate from the
current bus rate clock.
Figure 31. Timer External Clock
Figure 32. Timer Input Capture Pulse
3.10
Analog Comparator (ACMP) Electrical
Table 11. TPM Input Timing
Num
C
Rating
Symbol
Min
Max
Unit
1
D
External clock frequency
fTPMext
DC
fBus/4
MHz
2
D
External clock period
tTPMext
4—
tcyc
3
D
External clock high time
tclkh
1.5
tcyc
4
D
External clock low time
tclkl
1.5
tcyc
5
D
Input capture pulse width
tICPW
1.5
tcyc
Table 12. Analog Comparator Electrical Specifications
Num
C
Characteristic
Symbol
Min
Typical
Max
Unit
1
D
Supply voltage
VDD
1.80
5.5
V
2
P
Supply current (active)
IDDAC
—20
35
μA
3
D
Analog input voltage1
VAIN
VSS – 0.3
VDD
V
4
C
Analog input offset voltage1
VAIO
—20
40
mV
5
C
Analog Comparator hysteresis1
VH
3.0
9.0
15.0
mV
6
C
Analog source impedance1
RAS
——
10
k
Ω
7
P
Analog input leakage current
IALKG
——
1.0
μA
8
C
Analog Comparator initialization delay
tAINIT
——
1.0
μs
tTCLK
tclkh
tclkl
TCLK
tICPW
TPMCHn
tICPW
TPMCHn
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