參數(shù)資料
型號: TWR-MCF51MM
廠商: Freescale Semiconductor
文件頁數(shù): 37/57頁
文件大小: 0K
描述: TOWER SYSTEM BOARD MCF51MM
設(shè)計資源: TWR-MCF51MM Schematic
標(biāo)準(zhǔn)包裝: 1
系列: ColdFire®, Flexis™
類型: MCU
適用于相關(guān)產(chǎn)品: Freescale 電源塔系統(tǒng),MCF51MM
所含物品:
Electrical Characteristics
Freescale Semiconductor
42
3.12 AC Characteristics
This section describes ac timing characteristics for each peripheral system.
3.12.1
Control Timing
Table 21. Control Timing
#
Symbol
Parameter
Min
Typical1
Max
C
Unit
1
fBus
Bus frequency (tcyc = 1/fBus)MHz
VDD 1.8 V
dc
10
D
VDD > 2.1 V
dc
20
D
VDD > 2.4 V
dc
25.165
D
2tLPO
Internal low-power oscillator
period
700
1000
1300
P
s
3textrst
External reset pulse width2
(tcyc = 1/fSelf_reset)
100
D
ns
4trstdrv
Reset low drive
66 x tcyc
——
D
ns
5tMSSU
Active background debug
mode latch setup time
500
D
ns
6tMSH
Active background debug
mode latch hold time
100
D
ns
7
tILIH, tIHIL
IRQ pulse width
Asynchronous path2
Synchronous path3
100
1.5 x tcyc
——
D
ns
8
tILIH, tIHIL
KBIPx pulse width
Asynchronous path2
Synchronous path3
100
1.5 x tcyc
——
D
ns
MCF51MM256/128, Rev. 5
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