XC68HC705JJ7 Motorola, XC68HC705JJ7 Datasheet - Page 179

• Manufacturer Part Number: XC68HC705JJ7
• Description: MICROCONTROLLER
• Manufacturer: Motorola

12.4 PEPROM Programming
MC68HC705JJ7 • MC68HC705JP7 — REV 4
MOTOROLA
NOTE:
Factory-provided software for programming the PEPROM is available on
the World Wide Web at:
While the PEPGM bit is set and the V
IRQ/V
(erased).
To program the PEPROM bits properly, the V
than 4.5 Vdc.
access one byte of eight PEPROM locations. Reset clears the
PEPROM bit select register, thereby setting the PEPRZF bit by
default.
http://www.motorola.com/mcu/
1 = Row zero selected
0 = Row zero not selected
PP
pin, do not access bits that are to be left unprogrammed
Personality EPROM (PEPROM)
PEBSR
Table 12-1. PEPROM Bit Selection
$3E
$3F
$00
$01
$07
$08
$09
$37
$38
$39
V
V
V
|
|
|
Row 0
Row 1
Row 7
Row 0
Row 1
Row 7
Row 0
Row 1
Row 6
Row 7
PEPROM Bit Selected
V
V
V
|
|
|
PP
voltage level is applied to the
DD
Personality EPROM (PEPROM)
Column 0
Column 0
Column 0
Column 1
Column 1
Column 6
Column 7
Column 7
Column 7
Column 7
voltage must be greater
V
V
V
|
|
|
PEPROM Programming
Advance Information
179