MCF5272VF66 Freescale, MCF5272VF66 Datasheet - Page 358
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MCF5272VF66
Manufacturer Part Number
MCF5272VF66
Description
Manufacturer
Freescale
Datasheet
1.MCF5272VF66.pdf
(544 pages)
Specifications of MCF5272VF66
Family Name
MCF5xxx
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
66MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
3.3V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
196
Package Type
MA-BGA
Lead Free Status / RoHS Status
Not Compliant
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Timer Module
15.3.2
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.
15.3.3
Each TCAP is used to latch the TCN value during a capture operation when an edge occurs on the
respective TIN0, TIN1, UART0_RxD, or UART1_RxD, as programmed in TMRn.
15.3.4
TCN registers are 16-bit up counters. Reading a TCNn gives the current counter value without affecting
counting. A write cycle to a TCN register causes it to be cleared.
15-4
Bits
0
Reset
Reset
Reset
Field
Field
Field
Addr
Addr
Addr
R/W
R/W
R/W
Name
RST
15
15
15
Timer Reference Registers (TRR0–TRR3)
Timer Capture Registers (TCAP0–TCAP3)
Timer Counters (TCN0–TCN3)
Reset timer.
0 A transition from 1 to 0 resets the timer. Other register values can be written. The counter/timer/prescaler
1 Enable timer
are not clocked unless the timer is enabled.
MCF5272 ColdFire
MBAR + 0x208 (TCAP0); 0x228 (TCAP1); 0x248 (TCAP2); 0x268 (TCAP3)
Figure 15-4. Timer Capture Registers (TCAP0–TCAP3)
Figure 15-3. Timer Reference Registers (TRR0–TRR3)
MBAR + 0x20C (TCN0); 0x22C (TCN1); 0x24C (TCN2); 0x26C (TCN3)
MBAR + 0x204 (TRR0); 0x224 (TRR1); 0x244 (TRR2); 0x264 (TRR3)
Table 15-1. TMRn Field Descriptions (continued)
Figure 15-5. Timer Counter (TCN0–TCN3)
®
Integrated Microprocessor User’s Manual, Rev. 3
COUNT (16-bit timer counter value)
CAP (16-bit capture counter value)
REF (16-bit reference value)
1111_1111_1111_1111
0000_0000_0000_0000
0000_0000_0000_0000
Read/Write
Read/Write
Read Only
Description
Freescale Semiconductor
0
0
0
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