参数资料
型号: MCF52221CVM80
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 66 MHz, RISC MICROCONTROLLER, PBGA81
封装: 10 X 10 MM, 1 MM PITCH, ROHS COMPLIANT, BGA-81
文件页数: 37/55页
文件大小: 980K
代理商: MCF52221CVM80
Electrical Characteristics
MCF52223 ColdFire Microcontroller, Rev. 3
Freescale Semiconductor
42
2.17
Debug AC Timing Specifications
Table 39 lists specifications for the debug AC timing parameters shown in Figure 16.
Figure 15 shows real-time trace timing for the values in Table 39.
Figure 15. Real-Time Trace AC Timing
Table 39. Debug AC Timing Specification
Num
Characteristic
66/80 MHz
Units
Min
Max
D1
PST, DDATA to CLKOUT setup
4
ns
D2
CLKOUT to PST, DDATA hold
1.5
ns
D3
DSI-to-DSCLK setup
1
t
CYC
—ns
D41
1 DSCLK and DSI are synchronized internally. D4 is measured from the synchronized DSCLK input relative to
the rising edge of CLKOUT.
DSCLK-to-DSO hold
4
t
CYC
—ns
D5
DSCLK cycle time
5
t
CYC
—ns
D6
BKPT input data setup time to CLKOUT rise
4
ns
D7
BKPT input data hold time to CLKOUT rise
1.5
ns
D8
CLKOUT high to BKPT high Z
0.0
10.0
ns
CLKOUT
PST[3:0]
D2
D1
DDATA[3:0]
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