MC9S12XD256MAL Datasheet, PDF (655/1348 Pages) Freescale Semiconductor, Inc – Freescale’s Scalable Controller Area Network

Chapter 18 Memory Mapping Control (S12XMMCV3)
Table 18-2. External Input Signals Associated with the MMC
Signal
I/O
MODC
I
MODB
I
MODA
I
EROMCTL
I
ROMCTL
I
Description
Mode input
Mode input
Mode input
EROM control input
ROM control input
Availability
Latched after
RESET (active low)
Latched after
RESET (active low)
Latched after
RESET (active low)
Latched after
RESET (active low)
Latched after
RESET (active low)
Signal
CS0
CS1
CS2
CS3
Table 18-3. External Output Signals Associated with the MMC
Available in Modes
I/O
Description
NS
SS
NX
ES
EX
ST
O
Chip select line 0
O
Chip select line 1
O
Chip select line 2
O
Chip select line 3
(see Table 18-4)
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
655