MC705P6ACPE Datasheet, PDF (61/98 Pages) Freescale Semiconductor, Inc – M68HC05 Microcontrollers

Programming from an External Memory Device
VPP
2 MHz
MC68HC705P6A
IRQ/V_PP
OSC1
PD7/TCAP
VDD
OSC2
PB5
20 pF
10 MΩ
20 pF
RESET
VDD
10 kΩ
RESET
1 µF
VDD
PC6
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
VDD
10 kΩ
VDD
2764
PGM
A12
A11
A10
A9
D7
A8
D6
A7
D5
A6
D4
A5
D3
A4
D2
A3
D1
A2
D0
A1
CE
A0
OE
10 kΩ
MC74HC4040
Q12
Q11
Q10
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
RST CLK
PROG
PB7
330 Ω
VERF
PB6
330 Ω
PC5
PC1
PC2
VDD
VDD
10 kΩ
10 kΩ
PC3
PC4
PGM
VDD = 5.0 V
VFY
VPP = 16.5 V
Figure 10-3. MC68HC705P6A EPROM Programming Schematic Diagram
MC68HC705P6A Advance Information Data Sheet, Rev. 2.1
Freescale Semiconductor
61