XC68HC705B32CB Freescale Semiconductor, XC68HC705B32CB Datasheet - Page 284

• Manufacturer Part Number: XC68HC705B32CB
• Description: IC MCU 2.1MHZ 32K OTP 56-DIP
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of XC68HC705B32CB

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SCI
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Eeprom Size: 256 x 8
• Ram Size: 528 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 56-SDIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

15
I.3
Freescale
I-4
(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) At a temperature of 85°C
(6) Refer to Reliability Monitor Report (current quarterly issue) for current failure rate
(V
Frequency of operation
Internal operating frequency (f
Cycle time (see
Crystal oscillator start-up time (see
Stop recovery start-up time (crystal oscillator)
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
Control timing for 5V operation
DD
programming the EEPROM.
factor in determining the timer resolution.
execute the capture interrupt service routine plus 24 t
execute the interrupt service routine plus 21 t
information.
Crystal option
External clock option
Crystal
External clock
4064 cycle
16 cycle
Resolution
Input capture pulse width
Input capture pulse period
= 5.0 Vdc ± 10%, V
– 40 to 85 (extended)
– 40 to 85 (extended)
Figure
0 to 70 (standard)
0 to 70 (standard)
(5)(6)
(2)
Figure
Characteristic
I-1)
(5)(6)
9-1)
SS
TLTL
ILIL
= 0 Vdc, T
HIGH SPEED OPERATION
(1)
should not be less than the number of cycle times it takes to
should not be less than the number of cycle times it takes to
OSC
/2)
Figure
A
= –40 to +85°C)
9-1)
CYC
Symbol
t
t
OH
t
t
t
t
TH
t
t
t
t
t
PROG
PROG
t
f
f
t
OXOV
PORL
PORL
DOGL
t
t
RESL
.
TLTL
t
t
OSC
OSC
f
f
ILCH
DOG
CYC
t
ERA
ERA
ILIH
ILIL
—
—
OP
OP
RL
, t
, t
TL
OL
CYC
.
4064
6144
—
—
Min
250
125
125
1.5
1.5
—
dc
—
dc
—
16
10
10
10
10
90
4
(3)
(4)
10000
10
CYC
), this is the limiting
7168
Max
100
100
8.0
8.0
4.0
4.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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
CYC
CYC
CYC
ns
ns
ns
ns
MC68HC05B6
Rev. 4.1