S912XEP768J5MAGR Freescale Semiconductor, S912XEP768J5MAGR Datasheet - Page 199
S912XEP768J5MAGR
Manufacturer Part Number
S912XEP768J5MAGR
Description
16-bit Microcontrollers - MCU 16-bit 768K Flash
Manufacturer
Freescale Semiconductor
Datasheet
1.S912XEG128J2MAL.pdf
(1324 pages)
Specifications of S912XEP768J5MAGR
Rohs
yes
Core
HCS12X
Processor Series
MC9S12
Data Bus Width
16 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
768 KB
Data Ram Size
48 KB
On-chip Adc
Yes
Operating Supply Voltage
3.3 V to 5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
LQFP-144
Mounting Style
SMD/SMT
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
S912XEP768J5MAGR
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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3.3.2.5
Read: Anytime. In emulation modes read operations will return the data from the external bus. In all other
modes the data are read from this register.
Write: Refer to each bit description. In emulation modes write operations will also be directed to the
external bus.
Freescale Semiconductor
Address: 0x0013 PRR
TGMRAMON
PGMIFRON
EEEIFRON
RAMHM
Reset
Field
7
5
4
3
W
R
TGMRAMON
EEE Tag RAM and FTM SCRATCH RAM visible in the memory map
Write: Anytime
This bit is used to made the EEE Tag RAM nd FTM SCRATCH RAM visible in the global memory map.
0 Not visible in the memory map.
1 Visible in the memory map.
EEE IFR visible in the memory map
Write: Anytime
This bit is used to made the IFR sector of EEE DATA FLASH visible in the global memory map.
0 Not visible in the memory map.
1 Visible in the memory map.
Program IFR visible in the memory map
Write: Anytime
This bit is used to made the IFR sector of the Program Flash visible in the global memory map.
0 Not visible in the memory map.
1 Visible in the memory map.
RAM only in higher Half of the memory map
Write: Once in normal and emulation modes and anytime in special modes
0 Accesses to $4000–$7FFF will be mapped to $14_4000-$14_7FFF in the global memory space (external
1 Accesses to $4000–$7FFF will be mapped to $0F_C000-$0F_FFFF in the global memory space (RAM area).
MMC Control Register (MMCCTL1)
0
7
XGATE write access to this register during an CPU access which makes use
of this register could lead to unexpected results.
access).
= Unimplemented or Reserved
0
0
6
Figure 3-10. MMC Control Register (MMCCTL1)
MC9S12XE-Family Reference Manual Rev. 1.25
Table 3-11. MMCCTL1 Field Descriptions
EEEIFRON
0
5
;many cases assemblers are “direct page aware” and can
;automatically select direct mode.
PGMIFRON
CAUTION
0
4
Description
RAMHM
0
3
Chapter 3 Memory Mapping Control (S12XMMCV4)
EROMCTL
EROMON
2
ROMHM
0
1
ROMCTL
ROMON
0
199
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