参数资料
型号: RM48L950PGET
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 200 MHz, RISC MICROCONTROLLER, PQFP144
封装: GREEN, PLASTIC, LQFP-144
文件页数: 22/154页
文件大小: 2807K
代理商: RM48L950PGET
PRODUCTPREVIEW
SPNS174
– SEPTEMBER 2011
Programmable interrupt threshold counter is available for each group
Programmable magnitude threshold interrupt for each group for any one channel
Option to read either 8-bit, 10-bit or 12-bit values from memory regions
Single or continuous conversion modes
Embedded self-test
Embedded calibration logic
Enhanced power-down mode
– Optional feature to automatically power down ADC core when no conversion is in progress
External event pin (ADEVT) programmable as general-purpose I/O
5.2.2
Event Trigger Options
The ADC module supports 3 conversion groups: Event Group, Group1 and Group2. Each of these 3
groups can be configured to be hardware event-triggered. In that case, the application can select from
among 8 event sources to be the trigger for a group's conversions.
5.2.2.1
Default MIBADC Event Trigger Hookup
Table 5-3. MIBADC Event Trigger Hookup
Event #
Source Select Bits For G1, G2 Or Event
Trigger
(G1SRC[2:0], G2SRC[2:0] or EVSRC[2:0])
1
000
ADEVT
2
001
HET[8]
3
010
HET[10]
4
011
RTI compare 0 interrupt
5
100
HET[12]
6
101
HET[14]
7
110
GIOB[0]
8
111
GIOB[1]
NOTE
For ADEVT, HET and GIOB trigger sources, the connection to the MibADC1 module trigger
input is made from the output side of the input buffer. This way, a trigger condition can be
generated either by configuring the function as output onto the pad, or by driving the function
from an external trigger source as input.
NOTE
For the RTI compare 0 interrupt source, the connection is made directly from the output of
the RTI module. That is, the interrupt condition can be used as a trigger source even if the
actual interrupt is not signaled to the CPU.
5.2.2.2
Alternate MIBADC2 Event Trigger Hookup
Table 5-4. Alternate MIBADC2 Event Trigger Hookup
Event #
Source Select Bits for G1, G2 or Event
Trigger
(G1SRC[2:0], G2SRC[2:0] or EVSRC[2:0])
1
000
AD2EVT
2
001
N2HET2[5]
3
010
N2HET1[27]
4
011
RTI compare 0
5
100
N2HET1[17]
118
Peripheral Information and Electrical Specifications
Copyright
2011, Texas Instruments Incorporated
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