MC68HC908AZ60 Datasheet, PDF (171/480 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Monitor ROM (MON)
Functional Description
V_DD
10 kΩ
0.1 µF
68HC08
RST
V_HI
10 Ω
IRQ
V_DDA
1
+
10 µF
3
4
10 µF
+2
MC145407
20
+
10 µF
18
20 pF
17
+
10 µF
V_DD
19
*_4.9152
X1
MHz
20 pF
0.1 µF
10 MΩ
DB-25
2
5
16
3
6
15
7
NOTE: Position A — Bus clock = CGMXCLK ÷ 4 or CGMVCLK ÷ 4
Position B — Bus clock = CGMXCLK ÷ 2
* refer to table 9 and table 10 for value
V_DD
1
14
MC74HC125
2
3
6
5
4
V_DD
7
10 kΩ
A
(SEE
NOTE.) ^B
V_DD
0.1 µF
V_DD
10 kΩ
V_DD
10 kΩ
V /V _{DDA DDAREF}
CGMXFC
OSC1
OSC2
V_SSA
V_SS
V_DD
PTA0
PTC3
PTC0
PTC1
Figure 1. Monitor Mode Circuit
3-mon
MOTOROLA
Monitor ROM (MON)
MC68HC908AZ60 — Rev 2.0
169