MCF5282CVM66 Freescale, MCF5282CVM66 Datasheet - Page 409
MCF5282CVM66
Manufacturer Part Number
MCF5282CVM66
Description
Manufacturer
Freescale
Datasheet
1.MCF5282CVM66.pdf
(766 pages)
Specifications of MCF5282CVM66
Cpu Family
MCF528x
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
66MHz
Interface Type
CAN/I2C/QSPI/UART
Total Internal Ram Size
64KB
# I/os (max)
150
Number Of Timers - General Purpose
12
Operating Supply Voltage (typ)
3.3V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
256
Package Type
MA-BGA
Program Memory Type
Flash
Program Memory Size
512KB
Lead Free Status / RoHS Status
Compliant
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Figure 22-3
22.3.2
The QDLYR is used to initiate master mode transfers and to set various delay parameters.
Freescale Semiconductor
IPSBAR
Field
14–8
QCD
Offset:
SPE
DTL
7–0
QSPI_DOUT
Reset
15
QSPI_CLK
QSPI_DIN
QSPI_CS
W
R
0x00_0344 (QDLYR)
QSPI enable. When set, the QSPI initiates transfers in master mode by executing commands in the command RAM.
The QSPI clears this bit automatically when a transfer completes. The user can also clear this bit to abort transfer
unless QIR[ABRTL] is set. The recommended method for aborting transfers is to set QWR[HALT].
QSPI_CLK delay. When the DSCK bit in the command RAM is set this field determines the length of the delay from
assertion of the chip selects to valid QSPI_CLK transition. See
setting this bit field.
Delay after transfer. When the DT bit in the command RAM is set this field determines the length of delay after the
serial transfer.
SPE
15
0
QSPI Delay Register (QDLYR)
shows an example of a QSPI clocking and data transfer.
14
0
QMR[CPOL] = 0
QMR[CPHA] = 1
QCR[CONT] = 0
msb
15
15
13
0
A
Figure 22-3. QSPI Clocking and Data Transfer Example
14
14
12
13
13
0
Figure 22-4. QSPI Delay Register (QDLYR)
Table 22-4. QDLYR Field Descriptions
QCD
12
12
11
0
11
11
10
1
10
10
9
9
0
9
Description
8
8
0
8
7
7
0
7
Section 22.4.3, “Transfer Delays”
6
6
Chip selects are active low
A = QDLYR[QCD]
B = QDLYR[DTL]
5
5
0
6
4
4
Queued Serial Peripheral Interface (QSPI)
5
0
3
3
0
4
2
2
DTL
0
3
1
1
Access: User read/write
0
0
for information on
1
2
B
0
1
22-5
0
0
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