MC9S12NE64CPV Freescale Semiconductor, MC9S12NE64CPV Datasheet - Page 249
![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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8.4.5
8.4.5.1
The SCI receiver can accommodate either 8-bit or 9-bit data characters. The state of the M bit in SCI
control register 1 (SCICR1) determines the length of data characters. When receiving 9-bit data, bit R8 in
SCI data register high (SCIDRH) is the ninth bit (bit 8).
8.4.5.2
During an SCI reception, the receive shift register shifts a frame in from the RXD pin. The SCI data
register is the read-only buffer between the internal data bus and the receive shift register.
After a complete frame shifts into the receive shift register, the data portion of the frame transfers to the
SCI data register. The receive data register full flag, RDRF, in SCI status register 1 (SCISR1) becomes set,
Freescale Semiconductor
FROM TXD PIN
OR TRANSMITTER
SCRXD
LOOPS
Receiver
RSRC
RDRF/OR INTERRUPT REQUEST
Receiver Character Length
Character Reception
TDRE flag is set and immediately before writing the next byte to the SCI
data register.
If the TE bit is clear and the transmission is complete, the SCI is not the
master of the TXD pin
IDLE INTERRUPT REQUEST
CONTROL
LOOP
SBR12–SBR0
CLOCK
BUS
Figure 8-14. SCI Receiver Block Diagram
WAKE
DIVIDER
RAF
BAUD
ILT
RE
PE
PT
M
MC9S12NE64 Data Sheet, Rev. 1.1
RECOVERY
DATA
CHECKING
WAKEUP
PARITY
LOGIC
INTERNAL BUS
IDLE
ILIE
RIE
H
11-BIT RECEIVE SHIFT REGISTER
8
7
SCI DATA REGISTER
RDRF
OR
6
5
R8
4
FE
NF
PE
3
2
Functional Description
1
0
L
RWU
249
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