MC68HC908RK2 Datasheet, PDF (139/158 Pages) Motorola, Inc – Microcontroller Unit

V_DD
10 kΩ
0.1 µF
Monitor Module
68HC908RK2
RST
V_TST
10 kΩ
IRQ
1
+
10 µF
3
4
10 µF
+2
MC145407
20
+
10 µF
18
20 pF
17
+
10 µF
V_DD
19
X1
9.8304 MHz
20 pF
10 MΩ
DB-25
2
5
3
6
7
16
15
V_DD
0.1 µF
V_DD
1
14
MC74HC125
2
3
V_DD
10 kΩ
6
5
4
V_DD
7
10 kΩ
10 kΩ
OSC1
OSC2
V_SS
V_DD
PTA0
PTB0
PTB2
Figure 12-5. Monitor Mode Circuit
MC68HC908RK2 Data Sheet, Rev. 5.1
Freescale Semiconductor
139