MC9S12NE64CPV Freescale Semiconductor, MC9S12NE64CPV Datasheet - Page 459
![IC MCU 25MHZ ETHERNT/PHY 112LQFP](/photos/12/20/122046/mc9s12ne64cpv_sml.jpg)
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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Quantity
Price
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Quantity:
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Figure 17-9
target, there is up to a one clock-cycle delay from the host-generated falling edge on BKGD to the start of
the bit time as perceived by the target. The host initiates the bit time but the target finishes it. Because the
target wants the host to receive a logic 0, it drives the BKGD pin low for 13 target clock cycles then briefly
drives it high to speed up the rising edge. The host samples the bit level about 10 target clock cycles after
starting the bit time.
Freescale Semiconductor
TARGET SYSTEM
TARGET SYSTEM
SPEEDUP PULSE
TARGET SYS.
START OF BIT TIME
TARGET SYS.
START OF BIT TIME
BKGD PIN
DRIVE AND
BKGD PIN
SPEEDUP
DRIVE TO
BKGD PIN
DRIVE TO
BKGD PIN
CLOCK
CLOCK
PULSE
HOST
PERCEIVED
HOST
PERCEIVED
shows the host receiving a logic 0 from the target. Because the host is asynchronous to the
Figure 17-8. BDM Target-to-Host Serial Bit Timing (Logic 1)
Figure 17-9. BDM Target-to-Host Serial Bit Timing (Logic 0)
HIGH-IMPEDANCE
10 CYCLES
10 CYCLES
R-C RISE
MC9S12NE64 Data Sheet, Rev. 1.1
10 CYCLES
10 CYCLES
HIGH-IMPEDANCE
HOST SAMPLES
HIGH-IMPEDANCE
HOST SAMPLES
BKGD PIN
BKGD PIN
SPEEDUP PULSE
HIGH-IMPEDANCE
Functional Description
EARLIEST
START OF
NEXT BIT
EARLIEST
START OF
NEXT BIT
459
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