MC908AS60ACFU Datasheet, PDF (154/414 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

Monitor ROM (MON)
V_DD
10 kΩ
0.1 μF
68HC08
RST
V_HI
1 KΩ
IRQ
9.1V
1
+
10 μF
3
4
10 μF
+2
MC145407
20
+
10 μF
18
20 pF
17
+
10 μF
V_DD
19
0.022 μF
X1
4.9152 MHz
*
10 MΩ
20 pF
V_DDA
0.1 μF
DB-25
2
5
16
3
6
15
7
0.1 μF
V_DD
V_DD
1
14
MC74HC125
2
3
6
5
V_DD
10 kΩ
4
7
NOTE: Position A — Bus clock = CGMXCLK ÷ 4 or CGMVCLK ÷ 4
Position B — Bus clock = CGMXCLK ÷ 2
* = Refer to Table 14-9 and Table 14-10 for correct value.
V_DD
10 kΩ
A
(SEE
NOTE.) ^B
V_DD
10 kΩ
Figure 14-1. Monitor Mode Circuit
CGMXFC
OSC1
OSC2
V_DDA/V_DDAREF
V_SSA
V_SS
V_DD
PTA0
PTC3
PTC0
PTC1
MC68HC908AZ60A • MC68HC908AS60A • MC68HC908AS60E Data Sheet, Rev. 6
154
Freescale Semiconductor