参数资料
型号: M52259EVB
厂商: Freescale Semiconductor
文件页数: 43/46页
文件大小: 0K
描述: BOARD EVAL FOR 52259 COLDFIRE V2
产品培训模块: ColdFire MCF5225x
标准包装: 1
系列: ColdFire®
类型: MCU
适用于相关产品: MCF52259
所含物品: 板,线缆,文档,DVD,闪光灯驱动和电源
Electrical Characteristics
2.20
Debug AC Timing Specifications
Table 29 lists specifications for the debug AC timing parameters shown in Figure 21 .
Table 29. Debug AC Timing Specification
66/80 MHz
Num
Characteristic
Min
Max
Units
D1
D2
D3
D4 1
D5
D6
D7
D8
PST, DDATA to CLKOUT setup
CLKOUT to PST, DDATA hold
DSI-to-DSCLK setup
DSCLK-to-DSO hold
DSCLK cycle time
BKPT input data setup time to CLKOUT rise
BKPT input data hold time to CLKOUT rise
CLKOUT high to BKPT high Z
4
1.5
1 ? t CYC
4 ? t CYC
5 ? t CYC
4
1.5
0.0
10.0
ns
ns
ns
ns
ns
ns
ns
ns
1
DSCLK and DSI are synchronized internally. D4 is measured from the synchronized DSCLK input relative to
the rising edge of CLKOUT.
Figure 20 shows real-time trace timing for the values in Table 29 .
CLKOUT
D1
D2
PST[3:0]
DDATA[3:0]
Figure 20. Real-Time Trace AC Timing
MCF52259 ColdFire Microcontroller, Rev. 5
43
Freescale
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