S912XHZ512F1VAG Datasheet, PDF (853/978 Pages) Freescale Semiconductor, Inc – Covers MC9S12XHZ384, MC9S12XHZ256

Chapter 25 Memory Mapping Control (S12XMMCV3)
Table 25-2. 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 25-3. 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 25-4)
MC9S12XHZ512 Data Sheet, Rev. 1.06
Freescale Semiconductor
853