MC68HC908MR16CFU Freescale Semiconductor, MC68HC908MR16CFU Datasheet - Page 268

• 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: -

Electrical Specifications
19.6 FLASH Memory Characteristics
19.7 Control Timing
268
RAM data retention voltage
FLASH program bus clock frequency
FLASH read bus clock frequency
FLASH page erase time
FLASH mass erase time
FLASH PGM/ERASE to HVEN setup time
FLASH high-voltage hold time
FLASH high-voltage hold time (mass erase)
FLASH program hold time
FLASH program time
FLASH return to read time
FLASH cumulative program HV period
FLASH endurance
FLASH data retention time
Frequency of operation
Internal operating frequency
RESET input pulse width low
1. f
2. t
3. t
4. Typical endurance was evaluated for this product family. For additional information on how Freescale defines Typical
5. Typical data retention values are based on intrinsic capability of the technology measured at high temperature and de-rated
1. V
2. See
3. No more than 10% duty cycle deviation from 50%.
4. Some modules may require a minimum frequency greater than dc for proper operation; see appropriate table for this
5. Minimum pulse width reset is guaranteed to be recognized. It is possible for a smaller pulse width to cause a reset.
<1 K cycles
>1 K cycles
Crystal option
External clock option
clearing HVEN to 0.
t
Endurance, please refer to Engineering Bulletin EB619.
to 25°C using the Arrhenius equation. For additional information on how Freescale defines Typical Data Retention, please
refer to Engineering Bulletin EB618.
information.
Read
HV
RCV
HV
DD
is defined as the cumulative high voltage programming time to the same row before next erase.
must satisfy this condition: t
= 5.0 Vdc ± 10%, V
19.8 Serial Peripheral Interface Characteristics
is defined as the time it needs before the FLASH can be read after turning off the high voltage charge pump, by
is defined as the frequency range for which the FLASH memory can be read.
(4)
(3)
(2)
Characteristic
Characteristic
(5)
SS
(5)
= 0 Vdc; timing shown with respect to 20% V
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
NVS
+ t
(1)
NVH
+ t
PGS
+ (t
for more information.
PROG
x 32) ≤ t
Symbol
f
t
HV
t
Read
t
MErase
V
t
t
RCV
t
PROG
t
t
t
Erase
NVHL
HV
NVH
PGS
Symbol
NVS
RDR
—
—
—
maximum.
f
DD
(3)
OSC
t
f
(2)
(1)
IRL
OP
and 70% V
10 k
Min
100
1.3
0.9
3.6
10
30
15
—
1
0
4
5
5
1
dc
Min
DD
50
—
1
(4)
, unless otherwise noted
100 k
Typ
100
—
—
—
—
—
—
—
—
—
—
—
1
4
Freescale Semiconductor
Max
32.8
8.2
—
8
Max
8 M
1.1
5.5
40
—
—
—
—
—
—
—
—
—
—
4
MHz
MHz
Unit
Cycles
ns
Years
MHz
Unit
ms
ms
ms
Hz
µs
µs
µs
µs
µs
µs
V