MC68HC705B16CFN Freescale Semiconductor, MC68HC705B16CFN Datasheet - Page 140

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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
11.4
Control timing
= 5.0 Vdc ± 10%, V
(V
DD
Frequency of operation
Crystal option
External clock option
Internal operating frequency (f
Using crystal
Using external clock
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
4064 cycle
16 cycle
Watchdog RESET output pulse width
Watchdog time-out
EEPROM byte erase time
0 to 70 (standard)
– 40 to 85 (extended)
– 40 to 125 (automotive)
EEPROM byte program time
0 to 70 (standard)
– 40 to 85 (extended)
– 40 to 125 (automotive)
Timer (see
Figure
Resolution
Input capture pulse width
Input capture pulse period
Interrupt pulse width (edge-triggered)
11
Interrupt pulse period
OSC1 pulse width
Write/Erase endurance
Data retention
(1) For bus frequencies less than 2 MHz, the internal RC oscillator should be used when
programming the EEPROM.
(2) Since a 2-bit prescaler in the timer must count four external cycles (t
factor in determining the timer resolution.
(3) The minimum period t
the capture interrupt service routine plus 24 t
(4) The minimum period t
the interrupt service routine plus 21 t
(5) t
and t
OH
OL
(6) At a temperature of 85°C
(7) Refer to Reliability Monitor Report (current quarterly issue) for current failure rate information.
Freescale
11-10
Table 11-6 Control timing for 5V operation
= 0 Vdc, T
= T
to T
)
SS
A
L
H
Characteristic
Symbol
f
OSC
f
OSC
/2)
OSC
f
OP
f
OP
Figure
9-1)
t
CYC
Figure
9-1)
t
OXOV
t
ILCH
t
ADRC
t
ADON
t
RL
t
PORL
t
PORL
t
DOGL
t
DOG
t
ERA
t
ERA
t
ERA
(1)
t
PROG
t
PROG
t
PROG
11-13)
(2)
t
RESL
t
, t
TH
TL
t
TLTL
t
ILIH
t
ILIL
(5)
t
, t
OH
OL
(6)(7)
(6)(7)
should not be less than the number of cycle times it takes to execute
TLTL
.
CYC
should not be less than the number of cycle times it takes to execute
ILIL
.
CYC
should not total less than 238ns.
ELECTRICAL SPECIFICATIONS
Min
Max
Unit
4.2
MHz
dc
4.2
MHz
dc
2.1
MHz
dc
2.1
MHz
476
ns
100
ms
100
ms
µs
5
500
µs
1.5
t
CYC
t
CYC
4064
t
CYC
16
1.5
t
CYC
6144
7168
t
CYC
10
ms
10
ms
10
ms
10
ms
10
ms
20
ms
4
t
CYC
125
ns
(3)
t
CYC
125
ns
(4)
t
CYC
90
ns
10000
cycles
10
years
), this is the limiting
CYC
MC68HC05B6
Rev. 4.1

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