Freescale Semiconductor MPC5604B - Functional Description

MPC5604B/C Microcontroller Reference Manual, Rev. 8
Freescale Semiconductor 633
The event input can be masked by writing ‘0’ to bit TM of the CTU_EVTCFGR register. Writing ‘1’ to
bit TM enables the CTU triggering for the corresponding eMIOS channel.
26.5 Functional description
This peripheral is used to synchronize ADC conversions with timer events (from eMIOS or PIT). When a
timer event occurs, the CTU triggers an ADC conversion providing the ADC channel number to be
converted. In case concurrent events occur the priority is managed according to the index of the timer
event. The trigger output is a single cycle pulse used to trigger ADC conversion of the channel number
provided by the CTU.
Each trigger input from the CTU is connected to the Event Trigger signal of an eMIOS channel. The
assignment between eMIOS outputs and CTU trigger inputs is defined in Table 26-3.
Table 26-3. Trigger source
CTU trigger No. Module Source
0 eMIOS 0 Channel_0
1 eMIOS 0 Channel_1
2 eMIOS 0 Channel_2
3 eMIOS 0 Channel_3
4 eMIOS 0 Channel_4
5 eMIOS 0 Channel_5
6 eMIOS 0 Channel_6
7 eMIOS 0 Channel_7
8 eMIOS 0 Channel_8
9 eMIOS 0 Channel_9
10 eMIOS 0 Channel_10
11 eMIOS 0 Channel_11
12 eMIOS 0 Channel_12
13 eMIOS 0 Channel_13
14 eMIOS 0 Channel_14
15 eMIOS 0 Channel_15
16 eMIOS 0 Channel_16
17 eMIOS 0 Channel_17
18 eMIOS 0 Channel_18
19 eMIOS 0 Channel_19
20 eMIOS 0 Channel_20
21 eMIOS 0 Channel_21
22 eMIOS 0 Channel_22