参数资料
型号: MPC8568ECVTAUJJA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1333 MHz, RISC PROCESSOR, PBGA1023
封装: 33 X 33 MM, 2.75 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, FCBGA-1023
文件页数: 83/139页
文件大小: 1449K
代理商: MPC8568ECVTAUJJA
MPC8568E/MPC8567E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1
48
Freescale Semiconductor
Local Bus
Internal launch/capture clock to LCLK delay
tLBKHKT
2.3
4.4
ns
8
Input setup to local bus clock (except LGTA/LUPWAIT)
tLBIVKH1
6.2
ns
4, 5
LGTA/LUPWAIT input setup to local bus clock
tLBIVKL2
6.1
ns
4, 5
Input hold from local bus clock (except LGTA/LUPWAIT)
tLBIXKH1
–1.8
ns
4, 5
LGTA/LUPWAIT input hold from local bus clock
tLBIXKL2
–1.3
ns
4, 5
LALE output transition to LAD/LDP output transition (LATCH hold time)
tLBOTOT
1.5
ns
6
Local bus clock to output valid (except LAD/LDP and LALE)
tLBKLOV1
—-0.3
ns
Local bus clock to data valid for LAD/LDP
tLBKLOV2
—-0.1
ns
4
Local bus clock to address valid for LAD
tLBKLOV3
—0
ns
4
Local bus clock to LALE assertion
tLBKLOV4
—0
ns
4
Output hold from local bus clock (except LAD/LDP and LALE)
tLBKLOX1
–3.7
ns
4
Output hold from local bus clock for LAD/LDP
tLBKLOX2
–3.7
ns
4
Local bus clock to output high Impedance (except LAD/LDP and LALE)
tLBKLOZ1
—0.2
ns
7
Local bus clock to output high impedance for LAD/LDP
tLBKLOZ2
—0.2
ns
7
Notes:
1. The symbols used for timing specifications herein follow the pattern of t(First two letters of functional block)(signal)(state) (reference)(state)
for inputs and t(First two letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tLBIXKH1 symbolizes local bus
timing (LB) for the input (I) to go invalid (X) with respect to the time the tLBK clock reference (K) goes high (H), in this case for
clock one(1). Also, tLBKHOX symbolizes local bus timing (LB) for the tLBK clock reference (K) to go high (H), with respect to the
output (O) going invalid (X) or output hold time.
2. All timings are in reference to local bus clock for PLL bypass mode. Timings may be negative with respect to the local bus
clock because the actual launch and capture of signals is done with the internal launch/capture clock, which precedes LCLK
by tLBKHKT.
3. Maximum possible clock skew between a clock LCLK[m] and a relative clock LCLK[n]. Skew measured between
complementary signals at BVDD/2.
4. All signals are measured from BVDD/2 of the rising edge of local bus clock for PLL bypass mode to 0.4 x BVDD of the signal
in question for 3.3-V signaling levels.
5. Input timings are measured at the pin.
6. The value of tLBOTOT is the measurement of the minimum time between the negation of LALE and any change in LAD
7. For purposes of active/float timing measurements, the Hi-Z or off state is defined to be when the total current delivered through
the component pin is less than or equal to the leakage current specification.
8. Guaranteed by characterization.
9. Guaranteed by design.
Table 43. Local Bus Timing Parameters—PLL Bypassed (continued)
Parameter
Symbol 1
Min
Max
Unit Notes
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