NNDK-MOD5272-KIT NetBurner Inc, NNDK-MOD5272-KIT Datasheet - Page 358
NNDK-MOD5272-KIT
Manufacturer Part Number
NNDK-MOD5272-KIT
Description
KIT DEVELOP NETWORK FOR MOD5272
Manufacturer
NetBurner Inc
Series
ColdFire®r
Datasheets
1.MOD5272-100IR.pdf
(2 pages)
2.MOD5272-100IR.pdf
(550 pages)
3.NNDK-MOD5282-KIT.pdf
(2 pages)
Specifications of NNDK-MOD5272-KIT
Main Purpose
*
Embedded
*
Utilized Ic / Part
MOD5272
Primary Attributes
*
Secondary Attributes
*
Processor To Be Evaluated
MOD5272
Interface Type
RS-232, RS-485, USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Other names
528-1001
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General-Purpose Timer Registers
15.3.2 Timer Reference Registers (TRR0–TRR3)
Each TRR holds a 16-bit reference value that is compared with the free-running TCN as
part of the output compare function. A match occurs when TCN increments to equal TRR.
15-4
Reset
15–8
Bits
7–6
2–1
Field
Addr
R/W
5
4
3
0
Name
FRR
CLK
RST
ORI
OM
15
PS
CE
Prescaler. Programmed to divide the clock input by values from 1 to 256. The value 0000_0000
divides the clock by 1; the value 1111_1111 divides the clock by 256.
Capture edge and enable interrupt.
00 Disable capture and interrupt on capture event
01 Capture on rising edge only and generate interrupt on capture event
10 Capture on falling edge only and generate interrupt on capture event
11 Capture on any edge and generate interrupt on capture event
Output mode (TMR0 and TMR1 only. Reserved in TMR2 and TMR3)
0 Active-low pulse for one system clock cycle (15 nS at 66 MHz)
1 Toggle output
TOUTn is high at reset but is unavailable externally until the appropriate port control register is
configured for this function. See Section 17.2, “Port Control Registers.”
Output reference interrupt enable
0 Disable interrupt for reference reached (does not affect interrupt on capture function)
1 Enable interrupt upon reaching the reference value If ORI is 1 when the TER[REF] is set, an
Free run/restart
0 Free run. Timer count continues to increment after the reference value is reached.
1 Restart. Timer count is reset immediately after the reference value is reached.
Input clock source for the timer
00 Stop count
01 Master system clock
10 Master system clock divided by 16. TIN0 and TIN1 are external to the MCF5272 and are not
11 Corresponding TIN pin, TIN0 or TIN1 (falling edge), unused in TMR2 and TMR3
The minimum high and low periods for TIN as the clock source is 1 system clock, which gives a
maximum TIN frequency of clock/2.
Reset timer.
0 A transition from 1 to 0 resets the timer. Other register values can be written. The
1 Enable timer
immediate interrupt occurs.
counter/timer/prescaler are not clocked unless the timer is enabled.
synchronized to the system clock, so successive timeout lengths may vary slightly.
Figure 15-3. Timer Reference Registers (TRR0–TRR3)
MBAR + 0x204 (TRR0); 0x224 (TRR1); 0x244 (TRR2); 0x264 (TRR3)
Table 15-1. TMRn Field Descriptions
MCF5272 User’s Manual
REF (16-bit reference value)
1111_1111_1111_1111
Read/Write
Description
MOTOROLA
0
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