MC68HC705C8ACS

Manufacturer Part NumberMC68HC705C8ACS
ManufacturerFreescale Semiconductor, Inc
MC68HC705C8ACS datasheet
 
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Freescale Semiconductor, Inc.
EPROM/OTPROM (PROM)
P1
+5 V
4
+12 V
2
–12 V
3
V
5
PP
GND
1
P3
RXD
3
TXD
2
CTS
5
DSR
6
DCD
8
DTR
20
GND
1
GND
7
Notes:
1. The asterisk (*) denotes option T
command only.
2. Unless otherwise specified, resistors are in ohms,
5% 1/4 W; capacitors are in F; voltages are dc.
3. Device type numbers shown in circuit are for
reference only. Device type number varies
with manufacturer.
Figure 9-2. PROM Programming Circuit
Technical Data
106
VR1 NMA0512S
S1
DC-DC CONVERTER
OFF
(OPTIONAL)
1
5
ON
V
0 V
CC
–V
GND
+V
OFF
6
4
2
+12 V
ON
–12 V
D1
1N4001
+5 V
16
9
3
14
PD1
15
2
PD0
U1
U4
2764
MC145406
1
8
+5 V
+12 V
–12 V
1
V
PP
26
NC
27
PGM
28
V
CC
C5
0.1 F
20
CE
(A8)
25
A8
(A9)
24
A9
(A10)
21
A10
(A11)
23
A11
(A12)
2
A12
22
OE
GND
14
(ENABLE)
EPROM/OTPROM (PROM)
For More Information On This Product,
Go to: www.freescale.com
+5 V
R15
+
10 K
40
V
DD
OSC1
3
OSC2
V
PP
V
PP
RESET
IRQ
TCAP
30
PD1
PD7
TCMP
29
PD0
PD5
10
(A0)
PA0
11
PA0
A0
PD4
10
9
(A1)
PA1
A1
PA1
8
(A2)
PA2
9
PD3
A2
PA2
7
(A3)
PA3
8
PD2
PA3
A3
6
(A4)
7
PA4
U2
A4
PA4
40-PIN DIP
5
(A5)
PA5
6
SOCKET
A5
PA5
4
(A6)
PA6
5
A6
PA6
PC5
3
(A7)
PA7
4
A7
PA7
PC6
11
(D0)
PB0
12
PC0
PB0
D0
12
(D1)
PB1
13
D1
PB1
PC1
13
(D2)
PB2
14
D2
PB2
PC2
15
15
(D3)
PB3
D3
PB3
PC3
16
(D4)
PB4
16
D4
PB4
PC4
(D5)
17
17
PB5
D5
PB5
18
(D6)
PB6
18
D6
PB6
PB7
19
19
(D7)
D7
PB7
PC7
V
SS
20
MC68HC705C8A — Rev. 3
A
C1
100 F
39
B
38
C
1
D
2
E
37
F
36
G
35
H
34
I
33
J
32
K
31
L
23
M
22
N
28
(A8)
27
(A9)
26
(A10)
25
(A11)
24
(A12)
21
O
P
Q
R
S