MC68HC05K1 FREESCALE [Freescale Semiconductor, Inc], MC68HC05K1 Datasheet - Page 87

• Manufacturer Part Number: MC68HC05K1
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

9.3 PEPROM Registers
9.3.1 PEPROM Bit Select Register
MC68HC05K0 • MC68HC05K1 — Rev. 2.0
Address:
Two input/output (I/O) registers control programming and reading of the
PEPROM:
The PEPROM bit select register (PEBSR), shown in
one of 64 bits in the PEPROM array. Reset clears all the bits in the
PEPROM bit select register.
PEB7 and PEB6 — Not Connected to the PEPROM Array
PEB5–PEB0 — PEPROM Bit Select Bits
Reset:
Read:
Write:
•
•
These read/write bits are available as storage locations. Reset clears
PEB7 and PEB6.
These read/write bits select one of 64 bits in the PEPROM as shown
in
PEB5–PEB3 select the PEPROM column. Reset clears PEB5–PEB0,
selecting the PEPROM bit in row zero, column zero.
Freescale Semiconductor, Inc.
For More Information On This Product,
Table
PEPROM bit select register (PEBSR)
PEPROM status and control register (PESCR)
Personality EPROM (MC68HC05K1 Only)
$000E
PEB7
Figure 9-2. PEPROM Bit Select Register (PEBSR)
Bit 7
0
9-1. Bits PEB2–PEB0 select the PEPROM row, and bits
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PEB6
6
0
PEB5
5
0
PEB4
4
0
Personality EPROM (MC68HC05K1 Only)
PEB3
3
0
PEB2
2
0
Figure
PEPROM Registers
PEB1
1
0
Technical Data
9-2, selects
PEB0
Bit 0
0