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參數(shù)資料
| 型號(hào)： | MC92460ZU |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 40 CHANNEL(S), 66.7M bps, SERIAL COMM CONTROLLER, PBGA480 |
| 封裝： | 37 X 37 MM, 1.70 MM HEIGHT, 1.27 MM PITCH, TBGA-480 |
| 文件頁(yè)數(shù)： | 14/15頁(yè) |
| 文件大?。?/td> | 353K |
| 代理商： | MC92460ZU |
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8
MC92460 HDLC Controller Hardware Specications
MOTOROLA
Electrical and Thermal Characteristics
Figure 3 shows the EXCLK.
Figure 3. EXCLK
1.2.5.3
AC Timing
Figure 4 shows the HDLC external clock with polarity not inverted. All time specications were measured
at expected load capacitance CL=8pF.
Figure 4. HDLC External Clock
Figure 5 shows an HDLC internal clock (TxCK/RxCK output mode) whose polarity is not inverted.
Figure 5. HDLC Internal Clock
Table 8 shows the AC electrical characteristics. The frequency is 20 MHz.
Table 8. AC Electrical Characteristics
Spec Num
Characteristic
Min
Max
Unit
S1
HDLC input- external clock setup time
2
nS
EXSCLK
tCH
tCL
tcyc
Serial CK in
Input signal
Output signal
S1
H1
S2
RxCK0-39
TxCK0-39
and
RxSD0-39
TxSD0-39
Serial CK out
Input signal
Output signal
S3
H3
S4
TxSD0-39
RxCK0-39
TxCK0-39
and
RxSD0-39
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