MC9S12XDT512MAA Freescale, MC9S12XDT512MAA Datasheet - Page 803

• Manufacturer Part Number: MC9S12XDT512MAA
• Manufacturer: Freescale

Specifications of MC9S12XDT512MAA

• Cpu Family: HCS12
• Device Core Size: 16b
• Frequency (max): 40MHz
• Interface Type: CAN/I2C/SCI/SPI
• Total Internal Ram Size: 32KB
• # I/os (max): 59
• Number Of Timers - General Purpose: 12
• Operating Supply Voltage (typ): 2.5/5V
• Operating Supply Voltage (max): 2.75/5.5V
• Operating Supply Voltage (min): 2.35/3.15V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Program Memory Type: Flash
• Program Memory Size: 512KB
• Lead Free Status / RoHS Status: Compliant

21.5.2.2
This mode is used for emulation systems in which the target application is operating in normal expanded
mode.
If the external bus is used with a PRU, the external device rebuilds the data select and data direction signals
UDS, LDS, RE, and WE from the ADDR0, LSTRB, and R/W signals.
Figure 21-6
The timings of accesses with 1 stretch cycle are shown in
The associated timing numbers are given in
Timing considerations:
Freescale Semiconductor
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Figure ‘Example 2b: Emulation Expanded Mode — Read with 1 Stretch Cycle’
Figure ‘Example 2b: Emulation Expanded Mode — Write with 1 Stretch Cycle’
Table ‘Example 2b: Emulation Expanded Mode Timing V
includes examples for alternative settings of 2 and 3 additional stretch cycles)
If no stretch cycle is added, the timing is the same as in Emulation Single-Chip Mode.
shows the PRU connection with the available external bus signals in an emulator application.
Example 2b: Emulation Expanded Mode
ADDR[22:20]/ACC[2:0]
Figure 21-6. Application in Emulation Expanded Mode
ADDR[22:0]/IVD[15:0]
S12X_EBI
ADDR[19:16]/
IQSTAT[3:0]
DATA[15:0]
MC9S12XDP512 Data Sheet, Rev. 2.21
ECLKX2
CS[2:0]
LSTRB
EWAIT
ECLK
R/W
EMULMEM
PRU
Emulator
PRR
UDS
LDS
WE
RE
DD5
Chapter 21 External Bus Interface (S12XEBIV2)
= 5.0 V (EWAITE = 0)’ (this also
Ports
805