MC9S12NE64VTUE Freescale Semiconductor, MC9S12NE64VTUE Datasheet - Page 325
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MC9S12NE64VTUE
Manufacturer Part Number
MC9S12NE64VTUE
Description
IC MCU 64K FLASH EEPROM 80-TQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12NE64VTU.pdf
(554 pages)
Specifications of MC9S12NE64VTUE
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
Processor Series
S12N
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
125 MHz
Number Of Programmable I/os
70
Number Of Timers
4
Operating Supply Voltage
- 0.3 V to + 3 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
EVB9S12NE64E, DEMO9S12NE64E
Minimum Operating Temperature
- 65 C
On-chip Adc
10 bit, 8 Channel
Cpu Family
HCS12
Device Core Size
16b
Frequency (max)
25MHz
Total Internal Ram Size
8KB
# I/os (max)
70
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
2.625/3.465V
Operating Supply Voltage (min)
2.357/2.375/3.135V
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 105C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
TQFP
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
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12NE64VTUE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC9S12NE64VTUE
Manufacturer:
FREESCALE
Quantity:
20 000
- Current page: 325 of 554
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BUSY — Operation in Progress
NOPRE — No Preamble
MDCSEL — Management Clock Rate Select
Freescale Semiconductor
This read-only status bit indicates MII management activity. BUSY is asserted after a valid OP write
and is cleared when the MMCIF flag is set.
Any value written while BUSY is set is ignored. The IEEE 802.3 standard allows the preamble to be
dropped if the attached PHY does not require it. While this bit is set, a preamble is not prepended to
the MII management frame.
Any value programmed while BUSY bit is set is ignored. This field controls the frequency of the MII
management data clock (MDC) relative to the IP bus clock. MDC toggles only during a valid MII
management transaction. While MDC is not active, it remains low. Any nonzero value results in an
MDC frequency given by the following formula:
MDC frequency = Bus clock frequency / (2 * MDCSEL)
The MDCSEL field must be programmed with a value to provide an MDC frequency of less-than or
equal-to 2.5 MHz to be compliant with the IEEE MII specification. The MDCSEL must be set to a
nonzero value in order to source a read or write MII management frame.
1 = MII is busy (operation in progress).
0 = MII is idle (ready for operation).
1 = No preamble is sent.
0 = 32-bit preamble is sent.
IP Bus Clock Frequency
20 MHz
25 MHz
33 MHz
40 MHz
50 MHz
Table 11-6. Programming Examples for MDCSEL
Table 11-5. MII Management Frame Operation
BUSY
1
0
0
0
0
MC9S12NE64 Data Sheet, Rev. 1.1
OP
00
01
10
11
xx
MDCSEL
0xA
0x4
0x5
0x7
0x8
Operation
Ignore
Ignore
Ignore
Write
Read
MDC Frequency
Memory Map and Register Descriptions
2.36 MHz
2.5 MHz
2.5 MHz
2.5 MHz
2.5 MHz
325
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