MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 951

IC MCU 256K FLASH 80-QFP

MC9S12XDT256CAA

Manufacturer Part Number
MC9S12XDT256CAA
Description
IC MCU 256K FLASH 80-QFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet

Specifications of MC9S12XDT256CAA

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
59
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Processor Series
S12XD
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
16 KB
Interface Type
CAN/I2C/SCI/SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
59
Number Of Timers
12
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
EVB9S12XDP512E
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Reset
Reset
23.0.5.55 Port J Input Register (PTIJ)
1. These registers are reset to zero. Two bus clock cycles after reset release the register values are updated with the
Read: Anytime.
Write: Never, writes to this register have no effect.
This register always reads back the buffered state of the associated pins. This can be used to detect
overload or short circuit conditions on output pins.
23.0.5.56 Port J Data Direction Register (DDRJ)
Read: Anytime.
Write: Anytime.
This register configures each port J pin as either input or output.
The CAN forces the I/O state to be an output on PJ7 (TXCAN4) and an input on pin PJ6
(RXCAN4). The IIC takes control of the I/O if enabled. In these cases the data direction bits will
not change.
The SCI2 forces the I/O state to be an output for each port line associated with an enabled output
(TXD2). It also forces the I/O state to be an input for each port line associated with an enabled input
(RXD2). In these cases the data direction bits will not change.
The DDRJ bits revert to controlling the I/O direction of a pin when the associated peripheral
module is disabled.
W
associated pin values.
W
R
R
1
DDRJ7
PTIJ7
7
0
7
0
= Unimplemented or Reserved
= Unimplemented or Reserved
DDRJ6
PTIJ6
0
0
6
6
Figure 23-58. Port J Data Direction Register (DDRJ)
Figure 23-57. Port J Input Register (PTIJ)
DDRJ5
PTIJ5
5
0
5
0
DDRJ4
PTIJ4
0
0
4
4
3
0
0
3
0
0
DDRJ2
PTIJ2
0
0
2
2
DDRJ1
PTIJ1
1
0
1
0
DDRJ0
PTIJ0
0
0
0
0

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