MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 195

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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6.3.1.5
The eight software triggers of the XGATE module can be set and cleared through the XGATE software
trigger register
access to the lower byte, the software trigger bits. These bits can be set or cleared if a "1" is written to the
associated mask in the same bus cycle.
Read: Anytime
Write: Anytime
Freescale Semiconductor
Reset
XGSWTM[7:0]
XGSWT[7:0]
W
R
Field
15–8
7–0
15
0
0
XGATE Software Trigger Register (XGSWT)
Software Trigger Mask — These bits control the write access to the XGSWT bits. Each XGSWT bit can only
be written if a "1" is written to the corresponding XGSWTM bit in the same access.
Read:
These bits will always read "0".
Write:
0 Disable write access to the XGSWT in the same bus cycle
1 Enable write access to the corresponding XGSWT bit in the same bus cycle
Software Trigger Bits — These bits act as interrupt flags that are able to trigger XGATE software channels.
They can only be set and cleared by software.
Read:
0 No software trigger pending
1 Software trigger pending if the XGIE bit is set
Write:
0 Clear Software Trigger
1 Set Software Trigger
14
0
0
The XGATE channel IDs that are associated with the eight software triggers
are determined on chip integration level. (see Section “Interrupts” of the Soc
Guide)
XGATE software triggers work like any peripheral interrupt. They can be
used as XGATE requests as well as S12X_CPU interrupts. The target of the
software trigger must be selected in the S12X_INT module.
(Figure
13
0
0
6-7). The upper byte of this register, the software trigger mask, controls the write
XGSWTM[7:0]
Figure 6-7. XGATE Software Trigger Register (XGSWT)
12
0
0
11
0
0
Table 6-5. XGSWT Field Descriptions
MC9S12XDP512 Data Sheet, Rev. 2.21
10
0
0
0
0
9
NOTE
0
0
8
Description
7
0
0
6
0
5
XGSWT[7:0]
0
4
Chapter 6 XGATE (S12XGATEV2)
0
3
2
0
0
1
0
0
195

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