MC908AB32CFUE Datasheet, PDF (159/392 Pages) Freescale Semiconductor, Inc – Microcontrollers

Monitor ROM (MON)
V_DD
10 kΩ
0.1 µF
MC68HC908AB32
RST
V_TST
10 Ω
V_DDA
1
+
10 µF
3
4
10 µF ₊
2
DB-25
2
5
3
6
MC145407
20
+
10 µF
18
17
19
+ ^{10 µF VDD}
20 pF
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 _MC74HC125 14
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
IRQ
V_DDA
V_CGMXFC
OSC1
OSC2
V_SS
V_DD
PTA0
PTC3
PTC0
PTC1
MC68HC908AB32 — Rev. 1.1
Freescale Semiconductor
Monitor ROM (MON)
Technical Data
159