MC9S12XD256VAG Freescale Semiconductor, MC9S12XD256VAG Datasheet - Page 919
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MC9S12XD256VAG
Manufacturer Part Number
MC9S12XD256VAG
Description
IC MCU 256K FLASH 144-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12XD64CAA.pdf
(1348 pages)
Specifications of MC9S12XD256VAG
Core Processor
HCS12X
Core Size
16-Bit
Speed
80MHz
Connectivity
CAN, EBI/EMI, I²C, IrDA, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
119
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
14K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 105°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12XD256VAG
Manufacturer:
FREESCAL
Quantity:
246
Company:
Part Number:
MC9S12XD256VAG
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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PB[7:0]
PA[7:0]
Reset
Reset
Field
23.0.5.2
Read: Anytime.
Write: Anytime.
Field
23.0.5.3
Read: Anytime. In emulation modes, read operations will return the data from the external bus, in
all other modes the data source is depending on the data direction value.
Write: Anytime. In emulation modes, write operations will also be directed to the external bus.
7–0
7–0
W
W
R
R
DDRA7
Port A — Port A pins 7–0 are associated with address outputs ADDR15 through ADDR8 respectively inexpanded
modesWhen this port is not used for external addresses, these pins can be used as general purpose I/O. If the
data direction bits of the associated I/O pins are set to logic level “1”, a read returns the value of the port register,
otherwise the buffered pin input state is read.
PB7
Port B — Port B pins 7–0 are associated with address outputs ADDR7 through ADDR1 respectively in expanded
modes. Pin 0 is associated with output ADDR0 in emulation modes and special test mode and with Upper Data
Select (UDS) in normal expanded mode. When this port is not used for external addresses, these pins can be
used as general purpose I/O. If the data direction bits of the associated I/O pins are set to logic level “1”, a read
returns the value of the port register, otherwise the buffered pin input state is read.
7
0
7
0
Port B Data Register (PORTB)
Port A Data Direction Register (DDRA)
DDRA6
PB6
0
0
6
6
Figure 23-5. Port A Data Direction Register (DDRA)
Figure 23-4. Port B Data Register (PORTB)
Table 23-5. PORTB Field Descriptions
Table 23-4. PORTA Field Descriptions
DDRA5
PB5
5
0
5
0
DDRA4
PB4
0
0
4
4
Description
Description
DDRA3
PB3
3
0
3
0
DDRA2
PB2
0
0
2
2
DDRA1
PB1
1
0
1
0
DDRA0
PB0
0
0
0
0
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