参数资料
型号: MCF51MM128CMB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 50.33 MHz, MICROCONTROLLER, PBGA81
封装: 10 X 10 MM, ROHS COMPLIANT, MAPBGA-81
文件页数: 37/58页
文件大小: 609K
代理商: MCF51MM128CMB
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
Freescale reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
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