MC908GR4CDWE Freescale Semiconductor, MC908GR4CDWE Datasheet - Page 250

• Manufacturer Part Number: MC908GR4CDWE
• Description: IC MCU 4K FLASH 8MHZ 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908GR4CDWE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 17
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Controller Family/series: HC08
• No. Of I/o's: 21
• Ram Memory Size: 384Byte
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Embedded Interface Type: I2C, SCI, SPI
• Rohs Compliant: Yes
• Processor Series: HC08GR
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 384 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8.2 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, DEMO908GZ60E, M68CBL05CE, M68EML08GPGTE
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 6 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Electrical Specifications
250
10. Power supply must maintain regulation within operating V
11. Pullups and pulldowns are disabled. Port B leakage is specified in
12. Digital inputs have hysteresis whenever they are configured for any alternative peripheral input function other than as a
13. Maximum is highest voltage that POR is guaranteed.
14. Maximum is highest voltage that POR is possible.
15. If minimum V
Capacitance
Monitor mode entry voltage
Low-voltage inhibit, trip falling voltage – target
Low-voltage inhibit, trip rising voltage – target
Low-voltage inhibit reset/recover hysteresis – target
Input hysteresis (alternative input functions only)
POR rearm voltage
POR reset voltage
POR rise time ramp rate
1. V
2. Typical values reflect average measurements at midpoint of voltage range, 25 °C only.
3. Run (operating) I
4. Wait I
5. Stop I
6. Stop I
7. This parameter is characterized and not tested on each device.
8. All functional non-supply pins are internally clamped to V
9. Input must be current limited to the value specified. To determine the value of the required current-limiting resistor, calculate
Ports (as input or output)
(V
dc loads. Less than 100 pF on all outputs. C
affects run I
than 100 pF on all outputs. C
I
from rail. No dc loads. Less than 100 pF on all outputs. All ports configured as inputs.
resistance values for positive and negative clamp voltages, then use the larger of the two values.
conditions. If positive injection current (V
result in external power supply going out of regulation. Ensure external V
injection current. This will be the greatest risk when the MCU is not consuming power. Examples are: if no system clock is
present, or if clock rate is very low (which would reduce overall power consumption).
general-purpose input.
V
DD
DD
DD
TRIPF
. Measured with PLL and LVI enabled.
= 5.0 Vdc ± 10%, V
is reached.
DD
DD
DD
+
measured using external square wave clock source (f
with TBM enabled is measured using an external square wave clock source (f
is measured with OSC1 = V
V
DD
HYS
DD
. Measured with all modules enabled.
(14)
(7), (13)
DD
is not reached before the internal POR reset is released, RST must be driven low externally until minimum
=
Characteristic
V
measured using external square wave clock source (f
TRIPR
(7), (15)
SS
)
= 0 Vdc, T
L
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
= 20 pF on OSC2. All ports configured as inputs. OSC2 capacitance linearly affects wait
(1)
SS
A
= T
.
IN
L
> V
L
to T
= 20 pF on OSC2. All ports configured as inputs. OSC2 capacitance linearly
(7), (12)
DD
H
) is greater than I
, unless otherwise noted
SS
DD
V
and V
Symbol
V
V
V
V
PORRST
R
C
V
range during instantaneous and operating maximum current
V
osc
TRIPR
TRIPF
InHYS
C
POR
HYS
POR
Out
TST
In
= 32.8 MHz). All inputs 0.2 V from rail. No dc loads. Less
DD
DD
23.12 ADC
.
, the injection current may flow out of V
0.06 x V
DD
V
osc
DD
0.035
3.85
3.95
load will shunt current greater than maximum
Min
—
—
—
0
0
= 32.8 MHz). All inputs 0.2 V from rail. No
+2.5
Characteristics.
DD
OSC
Typ
4.25
4.35
100
700
—
—
—
—
—
—
= 32.8 KHz). All inputs 0.2 V
(2)
Freescale Semiconductor
Max
4.50
4.60
100
800
8.5
12
—
—
—
8
DD
and could
V/ms
Unit
mV
mV
mV
pF
V
V
V
V