MCF51JF64VHS Freescale Semiconductor, MCF51JF64VHS Datasheet - Page 26

• Manufacturer Part Number: MCF51JF64VHS
• Description: 32-bit Microcontrollers - MCU COLDFIRE V1 64KFLASH
• Manufacturer: Freescale Semiconductor

Specifications of MCF51JF64VHS

• Rohs: yes
• Core: ColdFire V1
• Processor Series: MCF51JF128
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.71 V to 3.6 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: QFN-44
• Mounting Style: SMD/SMT

Clock modules
1. V
2. See crystal or resonator manufacturer's recommendation
3. C
4. When low power mode is selected, R
5. The EXTAL and XTAL pins should only be connected to required oscillator components and must not be connected to any
6.3.2.2 Oscillator frequency specifications
1. Other frequency limits may apply when external clock is being used as a reference for the FLL or PLL.
2. When transitioning from FBE to FEI mode, restrict the frequency of the input clock so that, when it is divided by FRDIV, it
26
Symbol
Symbol
f
f
f
t
osc_hi_1
osc_hi_2
ec_extal
dc_extal
f
other devices.
remains within the limits of the DCO input clock frequency.
V
osc_lo
t
DD
x
pp
cst
,C
5
=3.3 V, Temperature =25 °C
y
can be provided by using either the integrated capacitors or by using external components.
Peak-to-peak amplitude of oscillation (oscillator
mode) — low-frequency, low-power mode
(HGO=0)
Peak-to-peak amplitude of oscillation (oscillator
mode) — low-frequency, high-gain mode
(HGO=1)
Peak-to-peak amplitude of oscillation (oscillator
mode) — high-frequency, low-power mode
(HGO=0)
Peak-to-peak amplitude of oscillation (oscillator
mode) — high-frequency, high-gain mode
(HGO=1)
Oscillator crystal or resonator frequency — low
frequency mode (MCG_C2[RANGE]=00)
Oscillator crystal or resonator frequency — high
frequency mode (low range)
(MCG_C2[RANGE]=01)
Oscillator crystal or resonator frequency — high
frequency mode (high range)
(MCG_C2[RANGE]=1x)
Input clock frequency (external clock mode)
Input clock duty cycle (external clock mode)
Crystal startup time — 32 kHz low-frequency,
low-power mode (HGO=0)
Crystal startup time — 32 kHz low-frequency,
high-gain mode (HGO=1)
Crystal startup time — 8 MHz high-frequency
(MCG_C2[RANGE]=01), low-power mode
(HGO=0)
Crystal startup time — 8 MHz high-frequency
(MCG_C2[RANGE]=01), high-gain mode
(HGO=1)
Description
Description
Table 14. Oscillator DC electrical specifications (continued)
Table 15. Oscillator frequency specifications
MCF51JF128 Data Sheet, Rev. 6, 01/2012.
F
is integrated and must not be attached externally.
Min.
Min.
32
40
—
—
—
—
—
—
—
—
—
1
8
Typ.
Typ.
V
V
750
250
0.6
0.6
0.6
50
—
—
—
—
1
DD
DD
Max.
Max.
40
32
50
60
—
—
—
—
—
—
—
—
8
Freescale Semiconductor, Inc.
MHz
MHz
MHz
Unit
Unit
kHz
ms
ms
ms
ms
%
V
V
V
V
Notes
Notes
1,
3,
2
4