参数资料
型号: MCF5274LCVM166
厂商: Freescale Semiconductor
文件页数: 16/44页
文件大小: 0K
描述: IC MCU 32BIT 166MHZ 196-MAPBGA
标准包装: 126
系列: MCF527x
核心处理器: Coldfire V2
芯体尺寸: 32-位
速度: 166MHz
连通性: EBI/EMI,以太网,I²C,SPI,UART/USART,USB
外围设备: DMA,WDT
输入/输出数: 69
程序存储器类型: ROMless
RAM 容量: 64K x 8
电压 - 电源 (Vcc/Vdd): 1.4 V ~ 1.6 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 196-LBGA
包装: 托盘
Electrical Characteristics
MCF5275 Integrated Microprocessor Family Hardware Specification, Rev. 4
Freescale Semiconductor
23
8.5
Oscillator and Phase Lock Loop (PLLMRFM) Electrical
Specifications
Table 11. PLL Electrical Specifications1
1
All values given are initial design targets and subject to change.
Characteristic
Symbol
Min
Max
Unit
PLL Reference Frequency Range
Crystal reference
External reference
1:1 Mode (NOTE: fsys/2 = 2 × fref_1:1)
fref_crystal
fref_ext
fref_1:1
8
24
25
83
MHz
Core frequency
CLKOUT Frequency 2
External reference
On-Chip PLL Frequency
2
All internal registers retain data at 0 Hz.
fcore
fsys/2
0
fref / 32
166
83
MHz
Loss of Reference Frequency 3, 5
3
“Loss of Reference Frequency” is the reference frequency detected internally, which transitions the PLL into self
clocked mode.
fLOR
100
1000
kHz
Self Clocked Mode Frequency 4, 5
fSCM
TBD
MHz
Crystal Start-up Time 5, 6
tcst
—10
ms
EXTAL Input High Voltage
Crystal Mode
All other modes (Dual Controller (1:1), Bypass, External)
VIHEXT
TBD
V
EXTAL Input Low Voltage
Crystal Mode
All other modes (Dual Controller (1:1), Bypass, External)
VILEXT
TBD
V
XTAL Output High Voltage
IOH = 1.0 mA
VOH
TBD
V
XTAL Output Low Voltage
IOL = 1.0 mA
VOL
—TBD
V
XTAL Load Capacitance7
530
pF
PLL Lock Time 8
tlpll
750
μs
Power-up To Lock Time 6, 9
With Crystal Reference
Without Crystal Reference10
tlplk
11
750
ms
μs
1:1 Mode Clock Skew (between CLKOUT and EXTAL) 11
tskew
-1
1
ns
Duty Cycle of reference 5
tdc
40
60
% fsys/2
Frequency un-LOCK Range
fUL
-3.8
4.1
% fsys/2
Frequency LOCK Range
fLCK
-1.7
2.0
% fsys/2
CLKOUT Period Jitter, 5, 6, 9,12, 13 Measured at fsys/2 Max
Peak-to-peak Jitter (Clock edge to clock edge)
Long Term Jitter (Averaged over 2 ms interval)
Cjitter
5
.01
% fsys/2
Frequency Modulation Range Limit14, 15
(fsys/2Max must not be exceeded)
Cmod
0.8
2.2
% fsys/2
ICO Frequency. fico = fref * 2 * (MFD+2)
16
fico
48
83
MHz
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