Monitor mode circuit, Figure 10-1. monitor mode circuit – Freescale Semiconductor MC68HC08KH12 User Manual
Page 151
MC68HC(7)08KH12
—
Rev. 1.1
Advance Information
Freescale Semiconductor
151
Figure 10-1. Monitor Mode Circuit
+
+
+
+
10MΩ
X1
V
DD
V
DD
+ V
HI
MC145407
MC74HC125
68HC708
RST
IRQ1/V
PP
OSC1
OSC2
V
SS2
V
SSA
V
DD
1
PA0
V
DD
10kΩ
0.1µF
10 Ω
6
5
2
4
3
1
DB-25
2
3
7
20
18
17
19
16
15
V
DD
V
DD
V
DD
20pF
20pF
10µF
10µF
10µF
10µF
1
2
4
7
14
3
0.1µF
4.9152MHz
10 kΩ
PC3
V
DD
10kΩ
B
A
NOTES: Position A — Bus clock = CGMXCLK ÷ 4
Position B — Bus clock = CGMXCLK ÷ 2
(See NOTE.)
5
6
V
SS1
PC0
PC1
V
DD
10k
Ω
V
DDA
0.1µF
V
DD
PA7
V
DD
2