mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 655

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Signal
CS0
CS1
CS2
CS3
EROMCTL
ROMCTL
Signal
MODC
MODB
MODA
I/O
Table 18-3. External Output Signals Associated with the MMC
O
O
O
O
Table 18-2. External Input Signals Associated with the MMC
I/O
I
I
I
I
I
Chip select line 0
Chip select line 1
Chip select line 2
Chip select line 3
Description
MC9S12XDP512 Data Sheet, Rev. 2.17
EROM control input
ROM control input
Description
Mode input
Mode input
Mode input
NS
SS
Chapter 18 Memory Mapping Control (S12XMMCV3)
Available in Modes
(see
NX
Table
RESET (active low)
RESET (active low)
RESET (active low)
RESET (active low)
RESET (active low)
Latched after
Latched after
Latched after
Latched after
Latched after
Availability
18-4)
ES
EX
ST
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