MC9S12T64 Datasheet, PDF (145/608 Pages) Motorola, Inc – Specification

Freescale Semiconductor, Inc.
Multiplexed External Bus Interface (MEBI)
Register Map
Register Map
Register
Name
PORTA
PORTB
DDRA
DDRB
Reserved
Reserved
Reserved
Reserved
PORTE
DDRE
PEAR
MODE ⁽¹⁾
PUCR
RDRIV
EBICTL
Reserved
IRQCR ⁽²⁾
PORTK
DDRK
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
0
0
0
0
Bit 7
Bit 7
NOACCE
MODC
PUPKE
RDPK
0
0
IRQE
Bit 7
Bit 7
6
6
6
6
6
0
0
0
0
6
6
0
MODB
0
0
0
0
IRQEN
0
0
5
4
3
5
4
3
5
4
3
5
4
3
5
4
3
0
0
0
0
0
0
0
0
0
0
0
0
5
5
PIPOE
MODA
0
0
0
0
0
4
4
NECLK
0
PUPEE
RDPE
0
0
0
3
3
LSTRE
IVIS
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
0
0
0
0
2
2
RDWE
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
1
0
0
EMK
PUPBE
RDPB
0
0
0
0
0
Bit 0
Bit 0
Address
Offset
$0000
Bit 0
$0001
Bit 0
$0002
Bit 0
$0003
0
$0004
0
$0005
0
$0006
0
$0007
Bit 0
$0008
0
$0009
0
$000A
EME $000B
PUPAE $000C
RDPA $000D
ESTR
0
0
$000E
$000F
$001E
0
$0032
0
$0033
= Unimplemented X = Indeterminate
Figure 17 MEBI Register Map
MOTOROLA
Multiplexed External Bus Interface (MEBI)
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MC9S12T64Revision 1.1.1
145