MC68HC705B16CFN Freescale Semiconductor, MC68HC705B16CFN Datasheet - Page 141

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MC68HC705B16CFN

Manufacturer Part Number
MC68HC705B16CFN
Description
IC MCU 2.1MHZ 15K OTP 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705B16CFN

Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI
Peripherals
POR, WDT
Number Of I /o
32
Program Memory Size
15KB (15K x 8)
Program Memory Type
OTP
Eeprom Size
256 x 8
Ram Size
352 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
MC68HC05B6
Rev. 4.1
(1) For bus frequencies less than 2 MHz, the internal RC oscillator should be used when
(2) Since a 2-bit prescaler in the timer must count four external cycles (t
(3) The minimum period t
(4) The minimum period t
(5) t
(6) At a temperature of 85°C
(7) Refer to Reliability Monitor Report (current quarterly issue) for current failure rate information.
(V
Frequency of operation
Internal operating frequency (f
Cycle time (see
Crystal oscillator start-up time (see
Stop recovery start-up time (crystal oscillator)
RC oscillator stabilization time
A/D converter stabilization time
External RESET input pulse width
Power-on RESET output pulse width
Watchdog RESET output pulse width
Watchdog time-out
EEPROM byte erase time
EEPROM byte program time
Timer (see
Interrupt pulse width (edge-triggered)
Interrupt pulse period
OSC1 pulse width
Write/Erase endurance
Data retention
DD
programming the EEPROM.
factor in determining the timer resolution.
execute the capture interrupt service routine plus 24 t
the interrupt service routine plus 21 t
OH
Crystal option
External clock option
Using crystal
Using external clock
4064 cycle
16 cycle
Resolution
Input capture pulse width
Input capture pulse period
= 3.3Vdc ± 10%, V
and t
– 40 to 85 (extended)
– 40 to 125 (automotive)
– 40 to 85 (extended)
– 40 to 125 (automotive)
Figure
0 to 70 (standard)
0 to 70 (standard)
OL
(6)(7)
(2)
should not total less than 500ns.
Figure
Characteristic
Table 11-7 Control timing for 3.3V operation
(5)
11-13)
(6)(7)
9-1)
SS
ILIL
ELECTRICAL SPECIFICATIONS
TLTL
= 0 Vdc, T
should not be less than the number of cycle times it takes to execute
(1)
should not be less than the number of cycle times it takes to
OSC
/2)
Figure
A
= T
CYC
9-1)
L
.
to T
H
)
Symbol
t
t
OH
t
t
t
t
t
t
t
TH
t
t
t
OXOV
t
t
PROG
PROG
PROG
t
f
f
t
ADRC
ADON
PORL
PORL
DOGL
t
t
t
RESL
t
TLTL
t
OSC
OSC
f
f
CYC
ILCH
DOG
t
ERA
ERA
ERA
ILIH
ILIL
OP
OP
RL
, t
, t
TL
OL
CYC
.
1000
4064
6144
Min
250
250
200
1.5
1.5
dc
dc
16
30
30
30
30
30
30
4
(3)
(4)
10000
10
CYC
), this is the limiting
7168
Max
100
100
500
2.0
2.0
1.0
1.0
5
cycles
years
MHz
MHz
MHz
MHz
t
t
t
t
t
t
t
t
Unit
ms
ms
CYC
CYC
CYC
CYC
CYC
ms
ms
ms
ms
ms
ms
CYC
CYC
CYC
µs
µs
ns
ns
ns
ns
Freescale
11-11
11

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