mc68hc11e0fnr2 Freescale Semiconductor, Inc, mc68hc11e0fnr2 Datasheet - Page 206

• Manufacturer Part Number: mc68hc11e0fnr2
• Description: Hc11 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Driving Boot Mode from Another M68HC11
206
MASTER
MCU
U3
MODB
XTAL
RxD
PE7
PB7
PB1
PB0
TxD
PREWIRED AREA
50
35
41
42
8
2
21
20
TRANSLATOR
Figure 6. MCU-to-MCU EPROM Duplicator Schematic
RS232 LEVEL
TO/FROM
J8
U4
J6
J3
M68HC11EVBU
J9
P4
50
35
41
42
21
20
8
M68HC11 Bootstrap Mode, Rev. 1.1
P5
50
35
41
42
8
21
20
WIRE-WRAP AREA
R12
R13
[1]
1K
1K
V DD
3.3K
R8
[2]
R10
15K
10K
R9
RED
GREEN
D5
D6
V DD
R14
R15
15K
10K
0.1 µ F
R7
C17
V DD
10K
18
17
26
35
20
21
1
7
3
2
+
20 µ F
XIRQ/V PPE
V
V SS
EXTAL
PB7
RxD
TxD
RESET
MODA
MODB
C18
DD
100
R11
Freescale Semiconductor
COM
MC68HC711E9
TARGET
MCU
U6
+12.25V
S2
OFF
ON
V PP