MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 190

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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Chapter 6 XGATE (S12XGATEV2)
190
XGSWEIFM
XGFACTM
XGDBG
XGFRZ
XGIEM
Field
XGE
11
9
8
7
6
5
XGFACT Mask — This bit controls the write access to the XGFACT bit. The XGFACT bit can only be set or
cleared if a "1" is written to the XGFACTM bit in the same register access.
Read:
Write:
0 Disable write access to the XGFACT in the same bus cycle
1 Enable write access to the XGFACT in the same bus cycle
XGSWEIF Mask — This bit controls the write access to the XGSWEIF bit. The XGSWEIF bit can only be cleared
if a "1" is written to the XGSWEIFM bit in the same register access.
Read:
Write:
0 Disable write access to the XGSWEIF in the same bus cycle
1 Enable write access to the XGSWEIF in the same bus cycle
XGIE Mask — This bit controls the write access to the XGIE bit. The XGIE bit can only be set or cleared if a "1"
is written to the XGIEM bit in the same register access.
Read:
Write:
0 Disable write access to the XGIE in the same bus cycle
1 Enable write access to the XGIE in the same bus cycle
XGATE Module Enable — This bit enables the XGATE module. If the XGATE module is disabled, pending
XGATE requests will be ignored. The thread that is executed by the RISC core while the XGE bit is cleared will
continue to run.
Read:
0 XGATE module is disabled
1 XGATE module is enabled
Write:
0 Disable XGATE module
1 Enable XGATE module
Halt XGATE in Freeze Mode — The XGFRZ bit controls the XGATE operation in Freeze Mode (BDM active).
Read:
0 RISC core operates normally in Freeze (BDM active)
1 RISC core stops in Freeze Mode (BDM active)
Write:
0 Don’t stop RISC core in Freeze Mode (BDM active)
1 Stop RISC core in Freeze Mode (BDM active)
XGATE Debug Mode — This bit indicates that the XGATE is in Debug Mode (see
Debug Mode can be entered by Software Breakpoints (BRK instruction), Tagged or Forced Breakpoints (see
S12X_DBG Section), or by writing a "1" to this bit.
Read:
0 RISC core is not in Debug Mode
1 RISC core is in Debug Mode
Write:
0 Leave Debug Mode
1 Enter Debug Mode
Note: Freeze Mode and Software Error Interrupts have no effect on the XGDBG bit.
This bit will always read "0".
This bit will always read "0".
This bit will always read "0".
Table 6-1. XGMCTL Field Descriptions (Sheet 2 of 3)
MC9S12XDP512 Data Sheet, Rev. 2.21
Description
Section 6.6, “Debug
Freescale Semiconductor
Mode”).

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