MC68HC908MR16CFU Freescale Semiconductor, MC68HC908MR16CFU Datasheet - Page 273

• Manufacturer Part Number: MC68HC908MR16CFU
• Description: IC MCU 8MHZ 16K FLASH 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908MR16CFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 44
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

19.12 CGM Acquisition/Lock Time Specifications
Freescale Semiconductor
Filter capacitor multiply factor
Acquisition mode time factor
Tracking mode time factor
Manual mode time to stable
Manual stable to lock time
Manual acquisition time
Tracking mode entry frequency
tolerance
Acquisition mode entry frequency
tolerance
Lock entry frequency tolerance
Lock exit frequency tolerance
Reference cycles per acquisition mode
measurement
Reference cycles per tracking mode
measurement
Automatic mode time to stable
Automatic stable to lock time
Automatic lock time
PLL jitter (deviation of average bus
frequency over 2 ms)
Description
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
Symbol
C
K
∆
∆
K
∆
∆
n
n
t
t
t
t
ACQ
Lock
ACQ
Lock
FACT
t
t
ACQ
ACQ
ACQ
TRK
Lock
UNL
TRK
TRK
AL
AL
f
J
n
n
ACQ
TRK
±
±
Min
6.3%
0.9%
—
—
—
—
—
—
—
—
—
0
0
/f
0
/f
XCLK
XCLK
(f
(f
(f
(f
XCLK
XCLK
XCLK
XCLK
(8*V
(4*V
(8*V
(4*V
t
t
ACQ
ACQ
0.0154
0.1135
0.0174
Typ
128
—
—
—
—
32
—
*K
*K
DDA
DDA
*K
DDA
DDA
*K
+t
+t
CGM Acquisition/Lock Time Specifications
ACQ)
ACQ)
TRK
AL
TRK
AL
)/
)/
)/
)/
)
)
*(0.025%)
± (f
± 3.6%
± 7.2%
± 0.9%
± 1.8%
*(N/4)
Max
—
—
—
—
—
—
—
—
—
—
—
XCLK
)
If C
If C
If C
If C
freq. mult.
N = VCO
correctly
correctly
correctly
correctly
Notes
F
F
F
F
F/sV
chosen
chosen
chosen
chosen
V
V
273