mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 615

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

Table 1-2
operation.
Freescale Semiconductor
and
Signal
CS0
CS1
CS2
CS3
EROMCTL
ROMCTL
Signal
MODC
MODB
Table 1-3
MODA
I/O
Table 17-2. External Output Signals Associated with the MMC
O
O
O
O
Table 17-1. External Input Signals Associated with the MMC
outline the pin names and functions. It also provides a brief description of their
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 17 Memory Mapping Control (S12XMMCV2)
Available in Modes
(see
NX
Table
RESET (active low)
Latched after
Availability
ES
1-4)
EX
ST
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