MC68HC705K1 Datasheet, PDF (29/140 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Memory
Random-Access Memory (RAM)
Addr.
$000B
↓
$000D
Register Name
Unimplemented
Unimplemented
Bit 7
6
5
4
3
2
1
Bit 0
$000E
Read:
PEPROM Bit Select Register
(PEBSR) Write:
See page 93.
Reset:
PEB7
0
PEB6
0
PEB5
0
Read: PEDATA
PEPROM Status and Control
0
$000F
Register (PESCR) Write:
See page 95.
Reset: U
0
PEPGM
0
$0010
Read:
Pulldown Register A
(PDRA) Write:
See page 66.
Reset:
PDIA7
0
PDIA6
0
PDIA5
0
$0011
Read:
Pulldown Register B
(PDRB) Write: 0
0
0
See page 71.
Reset: 0
0
0
$0012
Unimplemented
↓
$0016
Unimplemented
PEB4
0
0
0
PDIA4
0
0
0
PEB3
0
0
0
PDIA3
0
0
0
PEB2 PEB1 PEB0
0
0
0
PEPRZF
0
0
0
0
1
PDIA2
0
PDIA1 PDIA0
0
0
0
PDIB1 PDIB0
0
0
0
$0017
$0018
Read:
Mask Option Register
SWPDI PIN3 RC
(MOR) Write:
See page 87.
Reset:
Read:
EPROM Programming
R
R
R
Register (EPROG) Write:
See page 84.
Reset: U
U
U
= Unimplemented
SWAIT LVRE PIRQ LEVEL COPEN
Unaffected by reset
R
R
ELAT MPGM EPGM
U
U
0
0
0
R = Reserved
U = Unaffected
Figure 2-2. I/O Register Summary (Sheet 2 of 3)
MC68HC705K1 — Rev. 2.0
Memory
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Technical Data