
Monitor Module (MON)
MC68HC908GR16A Data Sheet, Rev. 1.0
Freescale Semiconductor
239
Figure 19-10. Normal Monitor Mode Circuit
Figure 19-11. Forced Monitor Mode
10 k
RST
IRQ
PTA0
OSC1
8
7
DB9
2
3
5
16
15
2
6
10
9
VDD
1
F
MAX232
V+
V–
VDD
1
F
+
1
2
3
4
5
6
74HC125
10 k
VSS
0.1
F
VDD
C1+
C1–
5
4
1
F
C2+
C2–
+
3
1
F
+
1
F
VDD
N.C.
VCC
GND
1 k
OSC2
47 pF
27 pF
8 MHz
10 M
VDDA
PTB4
PTB0
PTB1
PTA1
VSSA
VDD
MC68HC908GR16A
9.1 V
10 k
RST
IRQ
PTA0
OSC1
8
7
DB9
2
3
5
16
15
2
6
10
9
VDD
1
F
MAX232
V+
V–
VDD
1
F
+
1
2
3
4
5
6
74HC125
10 k
VSS
0.1
F
VDD
C1+
C1–
5
4
1
F
C2+
C2–
+
3
1
F
+
1
F
VDD
N.C.
VCC
GND
OSC2
47 pF
27 pF
8 MHz
10 M
VDDA
PTB4
PTB0
PTB1
PTA1
VSSA
MC68HC908GR16A
N.C.