MC68HC08AB16A Datasheet, PDF (151/380 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Monitor ROM (MON)
Functional Description
V_DD
10 kΩ
0.1 µF
MC68HC08AB16A
RST
V_TST
10 Ω
IRQ
V_DDA
1
+
10 µF
3
4
10 µF
+2
DB-25
2
5
3
6
MC145407
20
+
10 µF
18
17
10 µF ^{VDD 20 pF}
19 ⁺
16
15
X1
4.9152 MHz
20 pF
7
NOTES:
Position A — Bus clock = CGMXCLK ÷ 4 or CGMVCLK ÷ 4
Position B — Bus clock = CGMXCLK ÷ 2
V_DD
1
14
MC74HC125
2
3
6
5
4
V_DD
7
10 kΩ
A
(See
NOTES) ^B
0.1 µF
10 MΩ
V_DD
0.1 µF
V_DD
10 kΩ
V_DD
10 kΩ
Figure 10-1. Monitor Mode Circuit
V_DDA
V_CGMXFC
OSC1
OSC2
V_SS
V_DD
PTA0
PTC3
PTC0
PTC1
MC68HC08AB16A — Rev. 2.0
MOTOROLA
Monitor ROM (MON)
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Technical Data
151