MC9S12NE64CPV Freescale Semiconductor, MC9S12NE64CPV Datasheet - Page 438
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MC9S12NE64CPV
Manufacturer Part Number
MC9S12NE64CPV
Description
IC MCU 25MHZ ETHERNT/PHY 112LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12NE64VTU.pdf
(554 pages)
Specifications of MC9S12NE64CPV
Mfg Application Notes
MC9S12NE64 Integrated Ethernet Controller Implementing an Ethernet Interface with the MC9S12NE64 Web Server Development with MC9S12NE64 and Open TCP
Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
EBI/EMI, Ethernet, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
70
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.375 V ~ 3.465 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
70
Number Of Timers
16 bit
Operating Supply Voltage
- 0.3 V to + 3 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 65 C
On-chip Adc
10 bit
For Use With
EVB9S12NE64E - BOARD EVAL FOR 9S12NE64DEMO9S12NE64E - DEMO BOARD FOR 9S12NE64
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No RoHS Version Available
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Chapter 16 Module Mapping Control (MMCV4)
The PPAGE register holds the page select value for the program page window. The value of the PPAGE
register can be manipulated by normal read and write (some devices don’t allow writes in some modes)
instructions as well as the CALL and RTC instructions.
Control registers, vector spaces, and a portion of on-chip memory are located in unpaged portions of the
64K byte physical address space. The stack and I/O addresses should also be in unpaged memory to make
them accessible from any page.
The starting address of a service routine must be located in unpaged memory because the 16-bit exception
vectors cannot point to addresses in paged memory. However, a service routine can call other routines that
are in paged memory. The upper 16K byte block of memory space (0xC000–0xFFFF) is unpaged. It is
recommended that all reset and interrupt vectors point to locations in this area.
16.4.3.1
CALL and RTC are uninterruptable instructions that automate page switching in the program expansion
window. CALL is similar to a JSR instruction, but the subroutine that is called can be located anywhere in
the normal 64K byte address space or on any page of program expansion memory. CALL calculates and
stacks a return address, stacks the current PPAGE value, and writes a new instruction-supplied value to
PPAGE. The PPAGE value controls which of the 64 possible pages is visible through the 16K byte
expansion window in the 64K byte memory map. Execution then begins at the address of the called
subroutine.
During the execution of a CALL instruction, the CPU:
438
•
Writes the old PPAGE value into an internal temporary register and writes the new
instruction-supplied PPAGE value into the PPAGE register.
CALL and Return from Call Instructions
The partitioning as defined in
memory space and the actual on-chip memory sizes implemented in the
system may differ. Please refer to the device overview chapter for actual
sizes.
pag_sw1:pag_sw0
00
01
10
11
Table 16-17. External/Internal Page Window Access
876K off-Chip,
128K on-Chip
768K off-chip,
512K off-chip,
MC9S12NE64 Data Sheet, Rev. 1.1
256K on-chip
512K on-chip
Partitioning
0K off-chip,
1M on-chip
Table 16-17
NOTE
0x0038–0x003F
0x0000–0x002F
0x0030–0x003F
0x0000–0x001F
0x0020–0x003F
0x0000–0x003F
0x0000–0x0037
PIX5:0 Value
applies only to the allocated
N/A
Page Window
External
External
External
External
Access
Internal
Internal
Internal
Internal
Freescale Semiconductor
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