MC68HC705JD FREESCALE [Freescale Semiconductor, Inc], MC68HC705JD Datasheet - Page 48

• Manufacturer Part Number: MC68HC705JD
• Description: member of the low-cost
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
8-2
The bootloader function begins when a rising edge occurs on the RESET pin while
the IRQ/V
grounded.
The PB2 pin selects the bootloader function, as the following table shows.
V DD
330
330
PROGRAM
S1
VERIFY
15 pF
PP
10 M
4 MHz
10 k
pin is at V
1 F
V PP
S2
PB2
Table 8-1. Bootloader Function Selection
V DD
Freescale Semiconductor, Inc.
1
0
15 pF
For More Information On This Product,
19
20
1
2
8
7
6
5
RESET
PB0
PB1
PB2
PB3
Figure 8-1. Bootloader Circuit
IRQ/V PP
OSC1
OSC2
PP
MC68JC705J2
, the PB1 pin is at logical one, and the PB0 pin is
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BOOTLOADER MODE
Program and Verify
Verify
V DD
V SS
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB4
PB5
18
17
16
15
14
13
12
11
9
4
3
10
V DD
V DD
10 k
Bootloader Function
10 k
MC68HC05J1 EMULATION MODE.
MC68HC705J2 NATIVE MODE.
D0
D1
D2
D3
D4
D5
D6
D7
CE
OE
CONNECT 2 AND 3 FOR
CONNECT 1 AND 2 FOR
2764
1
A10
A11
A12
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
2
3
10 k
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
Q12
RST
MC14040B
CLK
Rev. 2