MC9S12Q FREESCALE [Freescale Semiconductor, Inc], MC9S12Q Datasheet - Page 134

• Manufacturer Part Number: MC9S12Q
• Description: Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Chapter 4 Multiplexed External Bus Interface (MEBIV3)
4.3.1
4.3.2
4.3.2.1
134
Module Base + 0x0000
Starting address location affected by INITRG register setting.
Emulation Narrow with
IVIS, and Peripheral
Expanded Narrow AB15 and
Expanded Wide,
Address
0x00032
0x00033
0x000A
0x000B
0x000C
0x000D
0x000E
0x001E
0x0000
0x0001
0x0002
0x0003
0x0004
0x0005
0x0006
0x0007
0x0008
0x0009
0x000F
Offset
Single Chip
Module Memory Map
Register Descriptions
Port A Data Register (PORTA)
Reset
W
R
Port A Data Register (PORTA)
Port B Data Register (PORTB)
Data Direction Register A (DDRA)
Data Direction Register B (DDRB)
Reserved
Reserved
Reserved
Reserved
Port E Data Register (PORTE)
Data Direction Register E (DDRE)
Port E Assignment Register (PEAR)
Mode Register (MODE)
Pull Control Register (PUCR)
Reduced Drive Register (RDRIV)
External Bus Interface Control Register (EBICTL)
Reserved
IRQ Control Register (IRQCR)
Port K Data Register (PORTK)
Data Direction Register K (DDRK)
DB15/DB7
AB/DB15
Bit 7
PA7
0
7
Figure 4-2. Port A Data Register (PORTA)
DB14/DB6
AB14 and
AB/DB14
PA6
6
0
6
Table 4-2. MEBI Memory Map
DB13/DB5
AB13 and
AB/DB13
PA5
MC9S12Q128
5
0
5
Rev 1.09
Use
DB12/DB4
AB12 and
AB/DB12
PA4
4
4
0
DB11/DB3
AB11 and
AB/DB11
PA3
3
0
3
DB10/DB2
AB10 and
AB/DB10
PA2
2
0
2
Freescale Semiconductor
DB9/DB1
AB9 and
AB/DB9
PA1
Access
1
0
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
DB8/DB0
AB8 and
AB/DB8
Bit 0
PA0
0
0