MC68HC908GP32CB Freescale Semiconductor, MC68HC908GP32CB Datasheet - Page 236

• Manufacturer Part Number: MC68HC908GP32CB
• Description: IC MCU 32K FLASH 8MHZ 42-SDIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GP32CB

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 33
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 42-DIP (0.600", 15.24mm)
• For Use With: M68EVB908GP32 - BOARD EVALUATION FOR HC908GP32
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Electrical Specifications
236
Pullup resistors (as input only)
Capacitance
Monitor mode entry voltage
Low-voltage inhibit, trip falling voltage
Low-voltage inhibit, trip rising voltage
Low-voltage inhibit reset/recover hysteresis
POR rearm voltage
POR reset voltage
POR rise time ramp rate
Notes:
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
10. Power supply must maintain regulation within operating V
11. Pullups and pulldowns are disabled. Port B leakage is specified in
12. Maximum is highest voltage that POR is guaranteed.
13. Maximum is highest voltage that POR is possible.
14. If minimum V
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,
Ports PTA7/KBD7–PTA0/KBD0, PTC6–PTC0,
Ports (as input or output)
(V
dc loads. Less than 100 pF on all outputs. C
affects run I
Less than 100 pF on all outputs. C
wait I
from rail. No dc loads. Less than 100 pF on all outputs. All inputs configured as inputs.
V
calculate 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).
TRIPF
DD
DD
PTD7/T2CH1–PTD0/SS
= 5.0 Vdc ± 10%, V
is reached.
DD
DD
DD
DD
+
. Measured with PLL and LVI enabled.
is measured with OSC1 = V
measured using external square wave clock source (f
with TBM enabled is measured using an external square wave clock source (f
V
HYS
DD
DD
. Measured with all modules enabled.
(13)
=
(12)
is not reached before the internal POR reset is released, RST must be driven low externally until minimum
DD
Characteristic
V
TRIPR
measured using external square wave clock source (f
(14)
SS
)
= 0 Vdc, T
(1)
L
= 20 pF on OSC2. All ports configured as inputs. OSC2 capacitance linearly affects
SS
A
MC68HC908GP32 Data Sheet, Rev. 10
.
= T
in
L
> V
L
to T
= 20 pF on OSC2. All ports configured as inputs. OSC2 capacitance linearly
DD
H
) is greater than I
, unless otherwise noted
SS
DD
V
Symbol
V
V
and V
PORRST
range during instantaneous and operating maximum current
C
R
V
V
V
R
TRIPR
C
TRIPF
Out
POR
POR
HYS
TST
PU
OSC
In
DD
DD
19.12 ADC
= 32.8 MHz). All inputs 0.2 V from rail. No dc loads.
, the injection current may flow out of V
.
DD
V
OSC
DD
0.035
load will shunt current greater than maximum
3.90
4.20
Min
20
—
—
—
0
0
+ 2.5
= 32.8 MHz). All inputs 0.2V from rail. No
Characteristics.
OSC
Typ
4.25
4.35
100
700
45
—
—
—
—
—
= 32.8 MHz). All inputs 0.2V
(2)
Freescale Semiconductor
Max
4.50
4.60
100
800
65
12
—
—
8
9
DD
and could
V/ms
Unit
mV
mV
mV
kΩ
pF
V
V
V