MC68HC705C4ACB MOTOROLA [Motorola, Inc], MC68HC705C4ACB Datasheet - Page 102

• Manufacturer Part Number: MC68HC705C4ACB
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

EPROM/OTPROM (PROM)
Technical Data
102
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
2
5
6
8
7
3
1
P3
4
2
3
5
1
P1
RXD
CTS
DSR
DCD
DTR
GND
GND
TXD
Figure 9-2. PROM Programming Circuit
3
2
+12 V
+5 V
MC145406
16
1
OFF
OFF
U4
ON
ON
–12 V
9
8
EPROM/OTPROM (PROM)
14
15
S1
+5 V
+V
(A8)
(A9)
(A10)
(A11)
(A12)
C5
0.1 F
6
DC-DC CONVERTER
VR1 NMA0512S
(ENABLE)
V
(OPTIONAL)
–V
CC
26
27
28
25
24
23
22
20
1
4
21
2
1
GND
PGM
V
NC
V
CE
A8
A10
A11
A12
A9
OE
5
2
0 V
PP
CC
+12 V
-12 V
GND
2764
MC68HC705C4A • MC68HSC705C4A — Rev. 3.0
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
30
29
10
13
14
15
16
17
18
19
12
11
5
4
3
9
8
7
6
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
MOTOROLA
PD7
PD4
PD3
PD2
PC5
PC6
PC0
PC2
PC3
PC4
PC7
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