MC68376BAMFT20 Freescale Semiconductor, MC68376BAMFT20 Datasheet - Page 200

• Manufacturer Part Number: MC68376BAMFT20
• Manufacturer: Freescale Semiconductor

Specifications of MC68376BAMFT20

• Cpu Family: 68K/M683xx
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 20MHz
• Interface Type: QSPI/SCI
• Program Memory Type: ROM
• Program Memory Size: 8KB
• Total Internal Ram Size: 7.5KB
• # I/os (max): 18
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.25V
• Operating Supply Voltage (min): 4.75V
• On-chip Adc: 16-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 160
• Package Type: PQFP
• Lead Free Status / Rohs Status: Not Compliant

8-18
BQ2
MOTOROLA
00
27
The queue operating mode selected for queue 1 determines what type of trigger event
causes the execution of each of the subqueues within queue 1. Similarly, the queue
operating mode for queue 2 determines the type of trigger event required to execute
each of the subqueues within queue 2.
The choice of single-scan or continuous-scan applies to the full queue, and is not ap-
plied to each subqueue. Once a subqueue is initiated, each CCW is executed sequen-
tially until the last CCW in the subqueue is executed and the pause state is entered.
Execution can only continue with the next CCW, which is the beginning of the next
subqueue. A subqueue cannot be executed a second time before the overall queue
execution has been completed.
Trigger events which occur during the execution of a subqueue are ignored, except
that the trigger overrun flag is set. When continuous-scan mode is selected, a trigger
event occurring after the completion of the last subqueue (after the queue completion
flag is set), causes execution to continue with the first subqueue, starting with the first
CCW in the queue.
P
P
P
CONVERSION COMMAND WORD
0
0
0
1
0
0
0
1
0
0
0
0
1
0
1
0
1
0
1
0
END OF QUEUE 1
END OF QUEUE 2
BEGIN QUEUE 1
BEGIN QUEUE 2
(CCW) TABLE
PAUSE
PAUSE
PAUSE
PAUSE
PAUSE
PAUSE
Figure 8-7 QADC Queue Operation with Pause
QUEUED ANALOG-TO-DIGITAL CONVERTER MODULE
SAMPLE, HOLD, AND
CHANNEL SELECT,
A/D CONVERSION
RESULT WORD TABLE
USER’S MANUAL
MC68336/376
QADC CQP
00
39