参数资料
型号: FSLBOT
厂商: Freescale Semiconductor
文件页数: 28/46页
文件大小: 0K
描述: KIT TOWER MECH BOARD
视频文件: Freescale Tower Overview - Another Geek Moment
Freescale Tower Labs 1 & 2 - Another Geek Moment
特色产品: Tower Mechatronics Board and Robot
标准包装: 1
系列: ColdFire®
主要目的: 机器人
嵌入式:
主要属性: 步行机器人结构
已供物品: 线路板,4 PWM 伺服系统,用户指南,汇编指令
Electrical Characteristics
MCF52259 ColdFire Microcontroller, Rev. 5
Freescale
34
2.11.1
Receive Signal Timing Specifications
The following timing specs meet the requirements for MII and 7-Wire style interfaces for a range of transceiver devices.
Figure 7. MII Receive Signal Timing Diagram
2.11.2
Transmit Signal Timing Specifications
Figure 8. MII Transmit Signal Timing Diagram
Table 17. Receive Signal Timing
Num
Characteristic
MII Mode
Unit
Min
Max
RXCLK frequency
25
MHz
E1
RXD[n:0], RXDV, RXER to RXCLK setup1
1 In MII mode, n = 3
5—
ns
E2
RXCLK to RXD[n:0], RXDV, RXER hold1
5—
ns
E3
RXCLK pulse width high
35%
65%
RXCLK period
E4
RXCLK pulse width low
35%
65%
RXCLK period
Table 18. Transmit Signal Timing
Num
Characteristic
MII Mode
Unit
Min
Max
TXCLK frequency
25
MHz
E5
TXCLK to TXD[n:0], TXEN, TXER invalid1
1 In MII mode, n = 3
5—
ns
E6
TXCLK to TXD[n:0], TXEN, TXER valid1
—25
ns
E7
TXCLK pulse width high
35%
65%
tTXCLK
E8
TXCLK pulse width low
35%
65%
tTXCLK
Valid Data
RXCLK (Input)
RXD[n:0]
RXDV,
RXER
E3
E4
E1
E2
Valid Data
TXCLK (Input)
TXD[n:0]
TXEN,
TXER
E7
E8
E5
E6
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