MC908QL4 FREESCALE [Freescale Semiconductor, Inc], MC908QL4 Datasheet - Page 194

• Manufacturer Part Number: MC908QL4
• Description: M68HC08 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

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194
2
3
5
2
3
5
1 μF
1 μF
1 μF
1 μF
DB9
DB9
+
+
+
+
7
8
1
3
4
5
1
3
4
5
7
8
C1+
C1–
C2+
C2–
C1+
C1–
C2+
C2–
Figure 16-10. Monitor Mode Circuit (External Clock, with High Voltage)
Figure 16-11. Monitor Mode Circuit (External Clock, No High Voltage)
MAX232
MAX232
V+
V–
V+
V–
16
15
2
10
6
16
15
2
10
6
1 μF
1 μF
9
9
V
DD
V
+
DD
+
+
+
1 μF
2
2
1 μF
MC68HC908QL4 Data Sheet, Rev. 7
74HC125
74HC125
1
1
+
3
3
1 μF
+
1 μF
74HC125
74HC125
6
6
4
4
10 kΩ
10 kΩ
5
5
V
V
DD
V
DD
9.8304 MHz CLOCK
TST
10 kΩ
9.8304 MHz CLOCK
9.1 V
1 kΩ
10 kΩ
*
V
DD
*
N.C.
RST (PTA3)
OSC1 (PTA5)
IRQ (PTA2)
PTA0
RST (PTA3)
OSC1 (PTA5)
IRQ (PTA2)
PTA0
Freescale Semiconductor
PTA1
PTA4
V
V
DD
SS
PTA1
PTA4
* Value not critical
V
V
DD
SS
10 kΩ
10 kΩ
V
DD
V
0.1 μF
*
N.C.
*
N.C.
DD
0.1 μF
V
DD