參數(shù)資料
型號: MPC8240EC
廠商: Motorola, Inc.
英文描述: Integrated Processor Hardware Specifications
中文描述: 綜合處理器硬件規(guī)格
文件頁數(shù): 23/52頁
文件大小: 1027K
代理商: MPC8240EC
MOTOROLA
MPC8240 Integrated Processor Hardware Specifications
For More Information On This Product,
Go to: www.freescale.com
23
Electrical and Thermal Characteristics
Figure 15. I
2
C Timing Diagram III
Figure 16. I
2
C Timing Diagram IV (Qualified Signal)
1.4.2.6
PIC Serial Interrupt Mode AC Timing Specifications
Table 14 provides the PIC serial interrupt mode AC timing specifications for the MPC8240.
Table 14. PIC Serial Interrupt Mode AC Timing Specifications
At recommended operating conditions (see Table 2) with LV
DD
= 3.3 V ± 0.3 V
Num
Characteristic
Min
Max
Unit
Notes
1
S_CLK frequency
1/14 SDRAM_SYNC_IN
1/2 SDRAM_SYNC_IN
MHz
1
2
S_CLK duty cycle
40
60
%
3
S_CLK output valid time
6
ns
4
Output hold time
0
ns
5
S_FRAME, S_RST output valid
time
1
sys_logic_clk
period + 6
ns
2
6
S_INT input setup time to S_CLK
1
sys_logic_clk
period + 2
ns
2
Input Data Valid
DFFSR FILTER CLK
1
SDA
7
Note:
1. DFFSR filter clock is the SDRAM_CLK clock times DFFSR value.
SCL/SDA
realtime
VM
SCL/SDA
qualified
VM
Delay
1
Note:
1. The delay is the local memory clock times DFFSR times 2 plus 1 local memory clock.
F
Freescale Semiconductor, Inc.
n
.
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