MC68HC705B16CFN

Manufacturer Part NumberMC68HC705B16CFN
DescriptionIC MCU 2.1MHZ 15K OTP 52-PLCC
ManufacturerFreescale Semiconductor
SeriesHC05
MC68HC705B16CFN datasheet
 


Specifications of MC68HC705B16CFN

Core ProcessorHC05Core Size8-Bit
Speed2.1MHzConnectivitySCI
PeripheralsPOR, WDTNumber Of I /o32
Program Memory Size15KB (15K x 8)Program Memory TypeOTP
Eeprom Size256 x 8Ram Size352 x 8
Voltage - Supply (vcc/vdd)4.5 V ~ 5.5 VData ConvertersA/D 8x8b
Oscillator TypeInternalOperating Temperature-40°C ~ 85°C
Package / Case52-PLCCLead Free Status / RoHS StatusContains lead / RoHS non-compliant
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D.3
External clock
When using an external clock the OSC1 and OSC2 pins should be driven in antiphase, as shown
in
Figure
D-2. The t
OXOV
external clock input. The equivalent specification of the external clock source should be used in
lieu of t
or t
.
OXOV
ILCH
MCU
OSC1
C
OSC1
(a) Crystal/ceramic resonator
oscillator connections
2MHz
R
(max)
400
S
C
0
C
1
C
15 – 40 15 – 30
OSC1
C
15 – 30 15 – 25
OSC2
R
10
P
Q
30 000
14
Freescale
D-4
or t
specifications (see
Section
ILCH
OSC1
OSC2
C
OSC2
Crystal
4MHz
Unit
75
5
7
pF
8
12
ƒF
pF
pF
10
MΩ
40 000
(d) Typical crystal and ceramic resonator parameters
Figure D-2 Oscillator connections
MC68HC05B16
11.4) do not apply when using an
L
C
R
1
S
OSC2
C
0
(b) Crystal equivalent circuit
MCU
OSC1
OSC2
External
NC
clock
(c) External clock source connections
Ceramic resonator
2 – 4MHz
Unit
R
(typ)
10
S
C
40
pF
0
C
4.3
pF
1
C
30
pF
OSC1
C
30
pF
OSC2
R
1 – 10
MΩ
P
Q
1250
MC68HC05B6
Rev. 4.1