s908ey8ad4cfjer Freescale Semiconductor, Inc, s908ey8ad4cfjer Datasheet - Page 232

• Manufacturer Part Number: s908ey8ad4cfjer
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Development Support
232
2
3
5
2
3
5
1 µF
1 µF
1 µF
1 µF
DB9
DB9
+
+
+
+
7
8
7
8
1
3
4
5
1
3
4
5
C1+
C1–
C2+
C2–
C1+
C1–
C2+
C2–
MAX232
MAX232
GND
GND
V
V
V+
V–
V+
V–
CC
CC
Figure 19-10. Forced Monitor Mode (IRQ = V
16
15
2
10
16
15
2
10
6
6
MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
9
9
Figure 19-9. Normal Monitor Mode Circuit
V
V
DD
DD
+
+
+
+
1 µF
1 µF
1 µF
1 µF
2
2
74HC125
74HC125
1
1
+
+
3
3
1 µF
1 µF
74HC125
74HC125
6
6
4
4
5
5
V
V
DD
DD
9.8304-MHz CLOCK
9.8304-MHz CLOCK
10 kΩ
10 kΩ
1 kΩ
9.1 V
N.C.
N.C.
N.C.
RST
OSC1
IRQ
PTA0
RST
OSC1
IRQ
PTA0
DD
)
MC68HC908EY16
MC68HC908EY16
Freescale Semiconductor
PTB4
PTB3
PTA1
PTB4
PTB3
PTA1
V
V
V
V
V
V
V
V
DDA
DDA
SSA
SSA
DD
DD
SS
SS
10 k
10 k
10 k
10 k
V
V
DD
DD
N.C.
N.C.
0.1 µF
0.1 µF
V
DD