参数资料
型号: MCF51AG128VQH
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: RISC MICROCONTROLLER, PQFP64
封装: 14 X 14 MM, PLASTIC, QFP-64
文件页数: 21/50页
文件大小: 1630K
代理商: MCF51AG128VQH
MCF51AG128 ColdFire Microcontroller, Rev. 5
Preliminary Electrical Characteristics
Freescale Semiconductor
28
2.11
ICS Specifications
2 When MCG is configured for FEE or FBE mode, input clock source must be divisible using RDIV to within the range of
31.25 kHz to 39.0625 kHz.
3 This parameter is characterized and not tested on each device. Proper PC board layout procedures must be followed to
achieve specifications.
4 4 MHz crystal
Table 15. ICS Frequency Specifications (Temperature Range = –40 to 105
°C Ambient)
Num C
Rating
Symbol
Min
Typical1
Max
Unit
1
C Internal reference frequency - factory trimmed at VDD
= 5 V and temperature = 25
°C
fint_ft
32.768
kHz
2
C Average internal reference frequency – untrimmed
fint_ut
31.25
39.06
kHz
3
T Internal reference startup time
tirefst
—60
100
μs
4
C DCO output frequency
range - untrimmed 2
Low range (DRS = 00)
fdco_ut
16
20
MHz
C
Mid range (DRS = 01)
32
40
C
High range (DRS = 10)
48
60
5
P DCO output frequency2
Reference =32768Hz
and DMX32 = 1
Low range (DRS = 00)
fdco_DMX32
16.82
MHz
P
Mid range (DRS = 01)
33.69
P
High range (DRS = 10)
50.48
6
D Resolution of trimmed DCO output frequency at fixed
voltage and temperature (using FTRIM)
Δf
dco_res_t
±0.1
±0.2
%fdco
7
D Resolution of trimmed DCO output frequency at fixed
voltage and temperature (not using FTRIM)
Δf
dco_res_t
±0.2
±0.4
%fdco
8
D Total deviation of trimmed DCO output frequency over
full voltage and temperature range
Δf
dco_t
—0.5
–1.0
±2%f
dco
9
D Total deviation of trimmed DCO output frequency over
fixed voltage and temperature range of 0 –70
°C
Δf
dco_t
±0.5
±1%f
dco
MCU
EXTAL
XTAL
Crystal or Resonator
RS
C2
RF
C1
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