Datasheet

ADuC7128/ADuC7129
Rev. 0 | Page 82 of 92
Table 117. T4CON MMR Bit Designations
Bit Value Description
31:18 Reserved. Set by user to 0.
17 Event Select Bit.
Set by user to enable time capture of an event.
Cleared by user to disable time capture of an event.
16:12 Event Select Range, 0 to 31. The events are as described in the Timers section.
Clock Select.
000 Core Clock (Default).
001 32.768 kHz Oscillator.
010 P4.6.
11:9
011 P4.7.
8 Count Up.
Set by user for Timer4 to count up.
Cleared by user for Timer4 to count down (default).
7 Timer4 Enable Bit.
Set by user to enable Timer4.
Cleared by user to disable Timer4 (default).
6 Timer4 Mode.
Set by user to operate in periodic mode.
Cleared by user to operate in free-running mode (default).
Format.
00 Binary (Default).
01 Reserved.
10 Hours:Minutes:Seconds:Hundredths: 23 Hours to 0 Hours.
5:4
11 Hours:Minutes:Seconds:Hundredths: 255 Hours to 0 Hours.
Prescaler.
0000 Source Clock/1 (Default).
0100 Source Clock/16.
1000 Source Clock/256.
3:0
1111 Source Clock/32,768.