mc68hc908rf2 Freescale Semiconductor, Inc, mc68hc908rf2 Datasheet - Page 182

• Manufacturer Part Number: mc68hc908rf2
• Description: M68hc08 Microcontrollers Microcontroller / Transmitter
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
14.9 Control Timing
Data Sheet
182
Bus operating frequency
RESET pulse width low
IRQ interrupt pulse width low (edge-triggered)
IRQ interrupt pulse period
16-bit timer
1. V
2. The 2-bit timer prescaler is the limiting factor in determining timer resolution.
3. Refer to
4. The minimum period t
V
V
Input capture pulse width
Input capture period
Input clock pulse width
service routine plus 2 t
DD
DD
DD
= 3.0 V ± 10%
= 2.0 V ± 10%
= 1.8 V to 3.3 V, V
(2)
Table 11-3. Mode, Edge, and Level Selection
Figure 14-6. Output Power at 434-MHz Frequency Band versus R
–2
–4
–6
8
6
4
2
0
6
Characteristic
TLTL
cyc
SS
(3)
.
= 0 Vdc, T
or t
9
ILIL
Freescale Semiconductor, Inc.
For More Information On This Product,
should not be less than the number of cycles it takes to execute the capture interrupt
(1)
OUTPUT POWER MEASUREMENT IN TYPICAL CONDITIONS
A
= –40
OUTPUT POWER ON 50 Ω LOAD (dBm)
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o
C to +85
12
Electrical Specifications
(434 MHz – V
o
C, unless otherwise noted
and supporting note.
CC
R
OUTPUT POWER WHEN MATCHED (dBm)
EXT
= 3 V –25°C)
15
R
(kΩ)
EXT
t
–0.35 db/kΩ # –0.35 mA/kΩ
TCH
Symbol
t
SPECIFIED RANGE
TH,
t
t
f
t
TLTL
t
ILHI
Bus
ILIL
RL
, t
t
TL
TCL
18
(1/f
Note
Note 4
32 k
32 k
Min
OP
1.5
1.5
2
) + 5
(4)
21
MC68HC908RF2 — Rev. 4.0
EXT
4.0 M
2.0 M
Max
—
—
—
—
—
—
Value
24
MOTOROLA
Unit
t
t
t
t
t
Hz
ns
cyc
cyc
cyc
cyc
cyc