Freescale Semiconductor, Inc.
Monitor Read-Only Memory (MON)
Functional Description
V
DD
68HC908RK2
10 kΩ
RST
0.1 µF
V
HI
10 kΩ
IRQ1
1
20
MC145407
+
+
+
+
10 µF
10 µF
10 µF
10 µF
OSC1
OSC2
3
4
18
17
X1
20 pF
10 MΩ
9.8304 MHz
V
DD
20 pF
2
19
V
SS
DB-25
2
5
6
16
15
3
7
V
DD
V
DD
0.1 µF
V
DD
V
DD
1
2
6
4
14
3
MC74HC125
10 kΩ
PTA0
5
V
DD
10 kΩ
7
10 kΩ
PTB0
PTB2
Figure 10-1. Monitor Mode Circuit
MC68HC908RFRK2
MOTOROLA
AdvanceInformation
151
Monitor Read-Only Memory (MON)
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