參數(shù)資料
型號: MC9328MXL20
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 200 MHz, MICROPROCESSOR, PBGA256
封裝: 14 X 14 MM, 1.30 MM HEIGHT, 0.80 MM PITCH, MAPBGA-256
文件頁數(shù): 4/84頁
文件大小: 1492K
代理商: MC9328MXL20
12
MC9328MXL Advance Information
MOTOROLA
Specifications
3.4 AC Electrical Characteristics
The AC characteristics consist of output delays, input setup and hold times, and signal skew times. All
signals are specified relative to an appropriate edge of other signals. All timing specifications are specified
at a system operating frequency from 0 MHz to 96 MHz (core operating frequency 150 MHz) with an
operating supply voltage from V
DD min
to V
DD max
under an operating temperature from TL to TH. All
timing is measured at pF loading.
3.5 Embedded Trace Macrocell
All registers in the ETM9 are programmed through a JTAG interface. The interface is an extension of the
ARM920T processor’s TAP controller, and is assigned scan chain 6. The scan chain consists of a 40-bit
shift register comprised of the following:
32-bit data field
7-bit address field
A read/write bit
The data to be written is scanned into the 32-bit data field, the address of the register into the 7-bit address
field, and a 1 into the read/write bit.
A register is read by scanning its address into the address field and a 0 into the read/write bit. The 32-bit
data field is ignored. A read or a write takes place when the TAP controller enters the UPDATE-DR state.
The timing diagram for the ETM9 is shown in Figure 2. See Table 7 on page 13 for the ETM9 timing
parameters used in Figure 2.
IOZ
Output leakage current
(Vout =VDD, output is tri-stated)
——
±5
A
Ci
Input capacitance
5
pF
Co
Output capacitance
5
pF
Table 6. Tristate Signal Timing
Pin
Parameter
Minimum
Maximum
Unit
TRISTATE
Time from TRISTATE activate until I/O becomes Hi-Z
20.8
ns
Table 5. Maximum and Minimum DC Characteristics (Continued)
Number or
Symbol
Parameter
Minimum
Typical
Maximum
Unit
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