mc68hc908kx8 Freescale Semiconductor, Inc, mc68hc908kx8 Datasheet - Page 175

• Manufacturer Part Number: mc68hc908kx8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
DB-25
10 µF
10 µF
2
3
7
+
+
$FFFE/
$FFFF
blank
$FF
X
1
3
4
2
5
6
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 Data Sheet, Rev. 2.1
IRQ1
V
MC145407
Pin
V
TST
DD
(PTXMOD1)
PTB1 Pin
Figure 16-9. Normal Monitor Mode Circuit
X
20
18
17
19
16
15
0
Table 16-1. Monitor Mode Entry
+
+
10 µF
10 µF
(PTXMOD0)
PTB0 Pin
V
1
2
6
4
7
DD
X
1
MC74HC125
0.1 µF
PTA1
Pin
0
0
14
3
5
V
DD
PTA0
Pin
OSCILLATOR
1
1
9.8304-MHz
CANNED
CGMXCLK
---------------------------- -
CGMXCLK
---------------------------- -
CGMOUT
0.1 µF
0.1 µF
V
10 kΩ
1 kΩ
10 kΩ
10 kΩ
DD
V
2
2
V
V
TST
DD
DD
V
DD
Frequency
PTB1 (PTXMOD1)
CGMOUT
------------------------- -
CGMOUT
------------------------- -
PTB0 (PTXMOD0)
PTA1 (SERIAL SELECT)
RST (PTB7/OSC2)
IRQ1
V
V
OSC1
PTA0
DD
SS
Bus
(f
Monitor ROM (MON)
2
2
68HC908KX8
OP
)
175