MC68HC812A4 Datasheet, PDF (58/342 Pages) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include

Register Block
Addr.
$00D8
↓
$00EF
Register Name
Reserved
↓
Reserved
Bit 7
6
5
4
3
2
1
Bit 0
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
EEPROM Configuration ^Read: ₁
$00F0 Register (EEMCR) Write:
See page 114. _{Reset: 1}
EEPROM Block Protect ^Read: ₁
$00F1 Register (EEPROT) Write:
See page 115. _{Reset: 1}
EEPROM Test Register ^{Read: EEODD}
$00F2
(EETST) Write:
See page 116. _{Reset: 0}
EEPROM Programming
$00F3 Register (EEPROG)
See page 117.
Read:
Write:
Reset:
BULKP
1
$00F4
Reserved
R
↓
↓
$01FF
Reserved
R
1
1
BPROT6
1
EEVEN
0
0
0
R
R
1
1
BPROT5
1
MARG
0
0
0
R
R
1
1
BPROT4
1
EECPD
0
BYTE
0
R
R
1
1
BPROT3
1
EECPRD
0
ROW
0
R
R
EESWAI PROTLCK EERC
1
0
0
BPROT2 BPROT1 BPROT0
1
1
1
0
EECPM
0
0
0
0
ERASE EELAT EEPGM
0
0
0
R
R
R
R
R
R
= Unimplemented
R = Reserved
U = Unaffected
Figure 2-1. Register Map (Sheet 15 of 15)
2.4 Modes of Operation
PORTA, PORTB, PORTC, and data direction registers DDRA, DDRB,
and DDRC are not in the map in expanded and peripheral modes.
PEAR, MODE, PUCR, and RDRIV are not in the map in peripheral
mode.
When EMD is set:
• PORTD and DDRD are not the map in wide expanded modes,
peripheral mode, and narrow special expanded mode.
• PORTE and DDRE are not in the map in peripheral mode and
expanded modes.
• KWIED and KWIFD are not in the map in wide expanded modes
and narrow special expanded mode.
MC68HC812A4 — Rev. 3.0
58
Register Block
Advance Information
MOTOROLA