aduc7062 Analog Devices, Inc., aduc7062 Datasheet - Page 67

• Manufacturer Part Number: aduc7062
• Description: Low-power, Precision Analog Microcontroller, Dual ?-? Adcs, Flash/ee, Arm7tdmi
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
TIMER3
Timer3 is a general-purpose, 16-bit, count up/count down
timer with a programmable prescaler. Timer3 can be clocked
from the core clock or the low power 32.768 kHz oscillator with
a prescaler of 1, 16, 256, or 32,768.
Timer3 has a capture register (T3CAP) that can be triggered by
a selected IRQ source initial assertion. Once triggered, the
current timer value is copied to T3CAP, and the timer continues
running. This feature can be used to determine the assertion of
an event with increased accuracy.
Timer3 interface consists of five MMRs.
•
•
•
Timer3 Load Registers
Name:
Address:
Default value:
Access:
Function:
Timer3 Clear Register
Name:
Address:
Access:
Function:
T3LD, T3VAL, and T3CAP are 16-bit registers and hold
16-bit unsigned integers. T3VAL and T3CAP are read only.
T3CLRI is an 8-bit register. Writing any value to this
register clears the interrupt.
T3CON is the configuration MMR described in Table 77.
T3LD
0xFFFF0380
0x00000
Read/write
T3LD 16-bit register holds the 16-bit value
that is loaded into the counter.
T3CLRI
0xFFFF038C
Write only
This 8-bit, write only MMR is written (with
any value) by user code to clear the
interrupt.
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Timer3 Value Register
Name:
Address:
Default value:
Access:
Function:
Time3 Capture Register
Name:
Address:
Default value:
Access:
Function:
Timer3 Control Register
Name:
Address:
Default value:
Access:
Function:
ADuC7060/ADuC7061/ADuC7062
T3VAL
0xFFFF0384
0xFFFF
Read only
T3VAL is a 16-bit register that holds the
current value of Timer3.
T3CAP
0xFFFF0390
0x0000
Read only
This is a 16-bit register that holds the 32-bit
value captured by an enabled IRQ event.
T3CON
0xFFFF0388
0x00000000
Read/write
This 32-bit MMR configures the mode of
operation of Timer3.