MPC564MZP66 Freescale Semiconductor, MPC564MZP66 Datasheet - Page 564

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MPC564MZP66

Manufacturer Part Number
MPC564MZP66
Description
IC MCU 512K FLASH 66MHZ 388-BGA
Manufacturer
Freescale Semiconductor
Series
MPC5xxr
Datasheets

Specifications of MPC564MZP66

Core Processor
PowerPC
Core Size
32-Bit
Speed
66MHz
Connectivity
CAN, EBI/EMI, SCI, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
56
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 2.7 V
Data Converters
A/D 32x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
388-BGA
For Use With
MPC564EVB - KIT EVAL FOR MPC561/562/563/564
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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QADC64E Enhanced Mode Operation
14.3.8
The status registers contains information about the state of each queue and the current A/D conversion.
Except for the four flag bits (CF1, PF1, CF2, and PF2) and the two trigger overrun bits (TOR1 and TOR2),
all of the status register fields contain read-only data. The four flag bits and the two trigger overrun bits
are cleared by writing a zero to the bit after the bit was previously read as a one.
14-22
SRESET
Field CF1
Addr
Bits
0
Status Registers (QASR0 and QASR1)
MSB
0
Name
CF1
PF1
1
CF2
Queue 1 Completion Flag. CF1 indicates that a queue 1 scan has been completed. The
scan completion flag is set by the QADC64E when the input channel sample requested by
the last CCW in queue 1 is converted, and the result is stored in the result table.
The end-of-queue 1 is identified when execution is complete on the CCW in the location
prior to that pointed to by BQ2, when the current CCW contains an end-of-queue code
instead of a valid channel number, or when the currently completed CCW is in the last
location of the CCW RAM.
When CF1 is set and interrupts are enabled for that queue completion flag, the QADC64E
asserts an interrupt request at the level specified by IRL1 in the interrupt register
(QADCINT). The software reads the completion flag during an interrupt service routine to
identify the interrupt request. The interrupt request is cleared when the software writes a
zero to the completion flag bit, when the bit was previously read as a one. Once set, only
software or reset can clear CF1.
CF1 is maintained by the QADC64E regardless of whether the corresponding interrupt is
enabled. The software polls for CF1 bit to see if it is set. This allows the software to
recognize that the QADC64E is finished with a queue 1 scan. The software acknowledges
that it has detected the completion flag being set by writing a zero to the completion flag
after the bit was read as a one.
2
PF2 TOR1 TOR2
3
Figure 14-12. Status Register 0 (QASR0)
MPC561/MPC563 Reference Manual, Rev. 1.2
Table 14-15. QASR0 Bit Descriptions
0x30 4810 (QASR0_A); 0x30 4C10 (QASR0_B)
4
5
0000_0000_0000_0000
6
7
Description
QS
8
9
10
11
12
CWP
Freescale Semiconductor
13
14
LSB
15

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