MC68HC908GT8CFB Freescale Semiconductor, MC68HC908GT8CFB Datasheet - Page 258

• Manufacturer Part Number: MC68HC908GT8CFB
• Description: IC MCU 8K FLASH 8MHZ 44-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GT8CFB

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 34
• Program Memory Size: 8KB (8K 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: 44-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Electrical Specifications
20.6 3.0-V DC Electrical Characteristics
258
Output high voltage
Output low voltage
Input high voltage
Input low voltage
DC injection current, all ports
Total DC current injection (sum of all I/O)
I/O ports Hi-Z leakage current
Input current
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
1. V
2. Typical values reflect average measurements at midpoint of voltage range, 25°C only.
3. Some disturbance of the ADC accuracy is possible during any injection event and is dependent on board layout and power
4. Pullups and pulldowns are disabled.
5. Maximum is highest voltage that POR is guaranteed.
6. Maximum is highest voltage that POR is possible.
7. If minimum V
(I
(I
(I
Maximum combined I
Maximum combined I
Maximum total I
(I
(I
(I
Maximum combined I
Maximum combined I
Maximum total I
All ports, IRQ, RST, OSC1
All ports, IRQ, RST, OSC1
Ports PTA7/KBD7–PTA0/KBD0, PTC6–PTC0,
Ports (as input or output)
(V
supply decoupling. This parameter is guaranteed by characterization.
V
Load
Load
Load
Load
Load
Load
port PTD0–PTD3
port A, port B
port PTD0–PTD3
port A, port B
PTD7/T2CH1–PTD0/SS
TRIPF
DD
DD
= 3.0 Vdc ± 10%, V
is reached.
= –0.6 mA) all I/O pins
= –4.0 mA) all I/O pins
= –10.0 mA) pins PTC0–PTC4 only
= 0.5 mA) all I/O pins
= 5.0 mA) all I/O pins
= 10.0 mA) pins PTC0–PTC4 only
+ V
HYS
DD
= V
OH
OL
(6)
is not reached before the internal POR reset is released, RST must be driven low externally until minimum
(5)
Characteristic
for all port pins
for all port pins
TRIPR
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
OH
OH
OL
OL
(7)
for port C, port E,
for port PTD4–PTD7,
)
for port C, port E,
for port PTD4–PTD7,
SS
(3)
(4)
= 0 Vdc, T
(1)
A
(3)
= T
A
(min) to T
A
(max), unless otherwise noted
V
Symbol
I
V
V
PORRST
INJTOT
R
V
V
V
I
I
I
C
V
V
V
I
I
R
V
V
V
I
TRIPR
TRIPF
OHT
V
C
OH1
OH2
V
I
OL1
OL2
OLT
POR
POR
INJ
I
I
HYS
TST
OH
OH
OH
Out
OL
OL
OL
IL
In
PU
IH
IL
In
V
V
V
0.7 × V
V
DD
DD
DD
DD
– 2.0
– 25
2.45
2.55
0.02
V
Min
20
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
0
SS
+ 2.5
– 0.3
– 1.0
–1.0
DD
Typ
2.60
2.66
700
45
60
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
(2)
Freescale Semiconductor
0.3 × V
V
DD
+ 2.0
Max
2.70
2.80
V
+25
±10
100
800
0.3
1.0
1.0
30
30
60
30
30
60
±1
65
12
—
—
—
—
—
8
DD
+ 4.0
DD
V/ms
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mV
mV
mV
μA
μA
kΩ
pF
V
V
V
V
V
V
V
V
V
V
V