参数资料
型号: MPC8536ECVTATHA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1250 MHz, MICROPROCESSOR, PBGA783
封装: 29 X 29 MM, 2.80 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, FCBGA-783
文件页数: 92/127页
文件大小: 1893K
代理商: MPC8536ECVTATHA
enhanced Local Bus Controller (eLBC)
MPC8536E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 3
Freescale Semiconductor
67
Table 50 provides the DC electrical characteristics for the local bus interface operating at BVDD = 1.8 V DC.
2.12.2
Local Bus AC Electrical Specifications
Table 51 describes the general timing parameters of the local bus interface at BVDD = 3.3 V DC. For information about the
frequency range of local bus see Section 2.23.1, “Clock Ranges.”
Table 50. Local Bus DC Electrical Characteristics (1.8 V DC)
Parameter
Symbol
Condition
Min
Max
Unit
Supply voltage 1.8V
BVDD
1.71
1.89
V
High-level input voltage
VIH
—0.65*BVDD
0.3+BVDD
V
Low-level input voltage
VIL
–0.3
0.35*BVDD
V
Input current
(BVIN
1 = 0 V or BV
IN = BVDD)
IIN
-15
10
μA
High-level output voltage
VOH
IOH = –100 μABVDD – 0.2
V
IOH = –2 mA
BVDD – 0.45
Low-level output voltage
VOL
IOH = 100 μA—
0.2
V
IOH = 2 mA
0.45
Note:
1. Note that the symbol BVIN, in this case, represents the BVIN symbol referenced in Table 1.
Table 51. Local Bus General Timing Parameters (BVDD = 3.3 V DC)
Parameter
Symbol 1
Min
Max
Unit
Notes
Local bus cycle time
tLBK
7.5
12
ns
2
Local bus duty cycle
tLBKH/tLBK
43
57
%
LCLK[n] skew to LCLK[m] or LSYNC_OUT
tLBKSKEW
150
ps
7
Input setup to local bus clock (except LUPWAIT)
tLBIVKH1
1.8
ns
3, 4
LUPWAIT input setup to local bus clock
tLBIVKH2
1.7
ns
3, 4
Input hold from local bus clock (except LUPWAIT)
tLBIXKH1
1.0
ns
3, 4
LUPWAIT input hold from local bus clock
tLBIXKH2
1.0
ns
3, 4
LALE output transition to LAD/LDP output transition (LATCH setup and hold time)
tLBOTOT
1.5
ns
6
Local bus clock to output valid (except LAD/LDP and LALE)
tLBKHOV1
—2.3
ns
Local bus clock to data valid for LAD/LDP
tLBKHOV2
—2.4
ns
3
Local bus clock to address valid for LAD
tLBKHOV3
—2.3
ns
3
Local bus clock to LALE assertion
tLBKHOV4
—2.3
ns
3
Output hold from local bus clock (except LAD/LDP and LALE)
tLBKHOX1
0.7
ns
3
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