MC9S12NE64VTU Freescale Semiconductor, MC9S12NE64VTU Datasheet - Page 150
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MC9S12NE64VTU
Manufacturer Part Number
MC9S12NE64VTU
Description
IC MCU 25MHZ ETHERNET/PHY 80TQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12NE64VTU.pdf
(554 pages)
Specifications of MC9S12NE64VTU
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
38
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 ~ 105°C
Package / Case
80-TQFP Exposed Pad, 80-eTQFP, 80-HTQFP, 80-VQFP
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
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
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Chapter 4 Clocks and Reset Generator (CRGV4)
4.3.2.6
This register controls CRG clock selection. Refer to
Read: anytime
Write: refer to each bit for individual write conditions
150
ROAWAI
SYSWAI
PLLSEL
PLLWAI
Reset
PSTP
CWAI
Field
7
6
5
4
3
2
W
R
PLLSEL
PLL Select Bit — Write anytime. Writing a 1 when LOCK = 0 and AUTO = 1, or TRACK = 0 and AUTO = 0 has
no effect. This prevents the selection of an unstable PLLCLK as SYSCLK. PLLSEL bit is cleared when the MCU
enters self-clock mode, stop mode or wait mode with PLLWAI bit set.
0 System clocks are derived from OSCCLK (Bus Clock = OSCCLK / 2).
1 System clocks are derived from PLLCLK (Bus Clock = PLLCLK / 2).
Pseudo-Stop Bit — Write: anytime — This bit controls the functionality of the oscillator during stop mode.
0 Oscillator is disabled in stop mode.
1 Oscillator continues to run in stop mode (pseudo-stop). The oscillator amplitude is reduced. Refer to oscillator
Note: Pseudo-stop allows for faster stop recovery and reduces the mechanical stress and aging of the resonator
Note: Lower oscillator amplitude exhibits lower power consumption but could have adverse effects during any
System Clocks Stop in Wait Mode Bit — Write: anytime
0 In wait mode, the system clocks continue to run.
1 In wait mode, the system clocks stop.
Note: RTI and COP are not affected by SYSWAI bit.
Reduced Oscillator Amplitude in Wait Mode Bit — Write: anytime — Refer to oscillator block description
chapter for availability of a reduced oscillator amplitude. If no such feature exists in the oscillator block then
setting this bit to 1 will not have any effect on power consumption.
0 Normal oscillator amplitude in wait mode.
1 Reduced oscillator amplitude in wait mode.
Note: Lower oscillator amplitude exhibits lower power consumption but could have adverse effects during any
PLL Stops in Wait Mode Bit — Write: anytime — If PLLWAI is set, the CRGV4 will clear the PLLSEL bit before
entering wait mode. The PLLON bit remains set during wait mode but the PLL is powered down. Upon exiting
wait mode, the PLLSEL bit has to be set manually if PLL clock is required.
While the PLLWAI bit is set the AUTO bit is set to 1 in order to allow the PLL to automatically lock on the selected
target frequency after exiting wait mode.
0 PLL keeps running in wait mode.
1 PLL stops in wait mode.
Core Stops in Wait Mode Bit — Write: anytime
0 Core clock keeps running in wait mode.
1 Core clock stops in wait mode.
CRG Clock Select Register (CLKSEL)
0
7
block description for availability of a reduced oscillator amplitude.
in case of frequent stop conditions at the expense of a slightly increased power consumption.
electro-magnetic susceptibility (EMS) tests.
electro-magnetic susceptibility (EMS) tests.
PSTP
0
6
Figure 4-9. CRG Clock Select Register (CLKSEL)
Table 4-4. CLKSEL Field Descriptions
SYSWAI
MC9S12NE64 Data Sheet, Rev. 1.1
0
5
ROAWAI
0
4
Figure 4-17
Description
PLLWAI
0
3
for details on the effect of each bit.
CWAI
0
2
RTIWAI
Freescale Semiconductor
0
1
COPWAI
0
0
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