MC68HC705C8ACP Freescale Semiconductor, MC68HC705C8ACP Datasheet - Page 182

IC MCU 4MHZ 8K OTP 40-DIP

MC68HC705C8ACP

Manufacturer Part Number
MC68HC705C8ACP
Description
IC MCU 4MHZ 8K OTP 40-DIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705C8ACP

Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
304 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-

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Electrical Specifications
13.10 3.3-Volt Control Timing
Technical Data
182
Frequency of operation
Internal operating frequency
Cycle time (see
Crystal oscillator startup time (see
Stop recovery startup time (crystal oscillator)
RESET pulse width, excluding power-up
Timer
Interrupt pulse width low (edge-triggered)
Interrupt pulse period
OSC1 pulse width
1. V
2. Since a 2-bit prescaler in the timer must count four internal cycles (t
3. The minimum period, t
4. The minimum period, t
Crystal option
External clock option
Crystal (f
External clock (f
(see
(see
Resolution
Input capture pulse width (see
Input capture pulse period (see
(see
(see
the timer resolution.
vice routine plus 24 t
plus 19 t
DD
*
= 3.3 Vdc
Refer to timer resolution data in
Figure
Figure
Figure 4-2. External Interrupt
Figure 4-2. External Interrupt
EXTERNAL SIGNAL
CYC
OSC
(TCAP PIN 37)
(2)
.
13-6)
13-7)
Figure
2)
0.3 Vdc, V
OSC
Characteristic
CYC
ILIL
TLTL
13-7)
2)
.
, should not be less than the number of cycle times it takes to execute the interrupt service routine
, should not be less than the number of cycle times it takes to execute the capture interrupt ser-
SS
= 0 Vdc; T
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure
Figure
Figure
Figure 13-5. Timer Relationships
(1)
Figure 13-6
t
TLTL
Timing)
Timing)
A
*
13-5)
= T
13-5)
Go to: www.freescale.com
13-7)
L
Electrical Specifications
to T
and
H
Figure
13-7.
Symbol
t
CYC
t
OH
t
TH
t
t
t
f
t
OXOV
RESL
t
ILCH
TLTL
t
OSC
f
CYC
t
ILIH
ILIL
OP
RL
, t
, t
t
), this is the limiting minimum factor in determining
TH
TL
OL
*
1000
Min
250
250
200
4.0
dc
dc
(3)
(4)
8
t
TL
MC68HC705C8A — Rev. 3
*
Max
100
100
2.0
2.0
1.0
1.0
MOTOROLA
MHz
MHz
Unit
t
t
t
t
CYC
CYC
CYC
CYC
ms
ms
ns
ns
ns
ns

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