参数资料
型号: MCF5235CVM100
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 100 MHz, RISC PROCESSOR, PBGA256
封装: MAPBGA-256
文件页数: 51/76页
文件大小: 2665K
代理商: MCF5235CVM100
MOTOROLA
MCF523x Integrated Microprocessor Hardware Specifications
55
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
External Interface Timing Characteristics
6.5
External Interface Timing Characteristics
Table 46 lists processor bus input timings.
NOTE
All processor bus timings are synchronous; that is, input setup/hold and
output delay with respect to the rising edge of a reference clock. The
reference clock is the CLKOUT output.
All other timing relationships can be derived from these values.
Timings listed in Table 46 are shown in Figure 10 & Figure A-3.
Table 46. Processor Bus Input Timing Specifications
Name
Characteristic 1
1
Timing specifications are tested using full drive strength pad configurations in a 50ohm transmission line
environment..
Symbol
Min
Max
Unit
freq
System bus frequency
fsys/2
40
75
MHz
B0
CLKOUT period
tcyc
1/75
ns
Control Inputs
B1a
Control input valid to CLKOUT high 2
2
TEA and TA pins are being referred to as control inputs.
tCVCH
9
ns
B1b
BKPT valid to CLKOUT high 3
3
Refer to figure A-19.
tBKVCH
9
ns
B2a
CLKOUT high to control inputs invalid2
tCHCII
0
ns
B2b
CLKOUT high to asynchronous control input BKPT invalid3
tBKNCH
0
ns
Data Inputs
B4
Data input (D[31:0]) valid to CLKOUT high
tDIVCH
4
ns
B5
CLKOUT high to data input (D[31:0]) invalid
tCHDII
0
ns
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