MC68HC705C8A Datasheet, PDF (104/222 Pages) Motorola, Inc – HCMOS Microcontroller Unit

EPROM/OTPROM (PROM)
OFF ^S1
P1
+5 V 4
+12 V 2
–12 V 3
V_PP 5
GND 1
P3
3
RXD
ON
OFF
ON
+5 V
16
3
9
14
2
TXD 2
15
U4
MC145406
1
8
+12 V –12 V
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 µF; voltages are dc.
3. Device type numbers shown in circuit are for
reference only. Device type number varies
with manufacturer.
VR1 NMA0512S
DC-DC CONVERTER
(OPTIONAL)
15
V_CC 0 V
+V –V GND
6 42
+12 V
–12 V
D1
1N4001
PD1
PD0
10 (A0)
U1 _A0
2764
9 (A1)
+5 V
A1
8 (A2)
1
V_PP
26
A2
7 (A3)
A3
6 (A4)
NC
27
PGM
28
V_CC
C5
0.1 µF
A4
5 (A5)
A5
4 (A6)
A6
3 (A7)
A7
20
CE
(A8) 25
A8
(A9) 24
A9
(A10) 21
A10
(A11) 23
A11
(A12) 2
A12
22
OE
11 (D0)
D0
12 (D1)
D1
13 (D2)
D2
15 (D3)
D3
16 (D4)
D4
17 (D5)
D5
18 (D6)
D6
19 (D7)
D7
GND
14
(ENABLE)
A
+5 V
R15
10 K
+ _C1
100 µF
40
V_DD
3
V_PP
39
OSC1
B
38
OSC2
C
V_PP
1
RESET
D
2
IRQ
E
37
30
PD1
TCAP
F
36
PD7
G
35
29
PD0
PA0 11
PA0
PA1 10
TCMP
H
34
PD5
I
33
PD4
J
PA1
PA2
9
32
PD3
K
PA2
31
PA3
8
PA3
PD2
L
PA4
PA5
7
6
PA4
U2
40-PIN DIP
PA5 ^SOCKET
PA6
5
PA6
PA7
4
PA7
23
PC5
M
22
PC6
N
PB0 12
PB0
28 (A8)
PC0
PB1 13
PB1
PB2 14
PB2
PB3 15
PB3
PB4 16
PB4
PB5 17
PB5
PB6 18
27
PC1
26
PC2
25
PC3
24
PC4
(A9)
(A10)
(A11)
(A12)
PB6
PB7 19
PB7
21
PC7
O
V_SS
20
P
Q
R
S
Figure 9-2. PROM Programming Circuit
Technical Data
104
EPROM/OTPROM (PROM)
MC68HC705C8A — Rev. 2.0
MOTOROLA