Rabbit Rabbit 4000, User Manual

Page: 237 / 358

Chapter 21 Input Capture 227
Input Capture Trigger x Register (ICT1R) (Address = 0x0058)
(ICT2R) (Address = 0x005C)
Bit(s) Value Description
7:6 00 Disable the counter. Applies even in Counter operation.
01 The counter runs from the Start condition until the Stop condition.
10 The counter runs continuously.
11 The counter runs continuously, until the Stop condition.
5:4 00
Disable the count latching function. In this case, and with Counter operation
only, the ICLxR and ICMxR return the programmed match value.
01 Latch the count on the Stop condition only.
10 Latch the count on the Start condition only.
11 Latch the count on either the Start or Stop condition.
3:2 00 Ignore the starting input.
01 The Start condition is the rising edge of the starting input.
10 The Start condition is the falling edge of the starting input.
11 The Start condition is either edge of the starting input.
1:0 00 Ignore the ending input. These two bits are ignored in Counter operation.
01 The Stop condition is the rising edge of the ending input.
10 The Stop condition is the falling edge of the ending input.
11 The Stop condition is either edge of the ending input.