MC68HC705C8ACFN Freescale Semiconductor, MC68HC705C8ACFN Datasheet - Page 106

• Manufacturer Part Number: MC68HC705C8ACFN
• Description: IC MCU 4MHZ 8K OTP 44-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC68HC705C8ACFN

• 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: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

EPROM/OTPROM (PROM)
Technical Data
106
Notes:
2. Unless otherwise specified, resistors are in ohms,
3. Device type numbers shown in circuit are for
1. The asterisk (*) denotes option T
command only.
reference only. Device type number varies
with manufacturer.
5% 1/4 W; capacitors are in F; voltages are dc.
+12 V
–12 V
GND
+5 V
V
20
PP
3
2
5
6
8
7
1
P3
4
2
3
5
1
P1
RXD
CTS
DSR
DCD
DTR
GND
GND
TXD
Figure 9-2. PROM Programming Circuit
Freescale Semiconductor, Inc.
3
2
For More Information On This Product,
+12 V
+5 V
MC145406
16
1
OFF
OFF
U4
ON
ON
–12 V
9
8
EPROM/OTPROM (PROM)
Go to: www.freescale.com
14
15
S1
+5 V
+V
(A8)
(A9)
(A10)
(A11)
(A12)
C5
0.1 F
6
DC-DC CONVERTER
VR1 NMA0512S
(ENABLE)
(OPTIONAL)
V
–V
CC
26
27
28
25
24
23
22
20
1
4
21
2
1
GND
V
NC
PGM
V
CE
A8
A10
A11
A12
A9
OE
5
2
0 V
PP
CC
+12 V
–12 V
GND
2764
U1
14
PD0
PD1
1N4001
D1
A0
A5
D0
D2
D3
D4
D5
D6
D7
A2
A3
A4
A6
A7
D1
A1
10
11
12
13
15
16
17
18
19
9
8
7
6
5
3
4
(A0)
(A1)
(A2)
(A3)
(A4)
(A5)
(A6)
(A7)
(D0)
(D1)
(D2)
(D3)
(D4)
(D5)
(D6)
(D7)
V
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PP
10 K
R15
MC68HC705C8A — Rev. 3
30
29
10
13
14
15
16
17
18
19
12
11
3
9
8
7
6
5
4
PD1
PD0
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
V
PP
V
DD
40-PIN DIP
40
SOCKET
U2
V
SS
20
RESET
TCMP
OSC2
TCAP
OSC1
PD5
PD7
PD4
PD3
PD2
PC5
PC6
PC0
PC2
PC3
PC4
PC7
MOTOROLA
IRQ
PC1
+5 V
+
C1
100 F
39
38
37
36
35
34
33
32
31
23
22
28
27
26
25
24
21
2
1
(A8)
(A9)
(A10)
(A11)
(A12)
C
D
G
H
M
N
R
A
B
E
F
K
L
O
Q
S
J
P
I