參數(shù)資料
型號: TMS370Cx9xJC
廠商: Texas Instruments, Inc.
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 27/54頁
文件大小: 785K
代理商: TMS370CX9XJC
TMS370Cx9x
8-BIT MICROCONTROLLER
SPNS036B – JANUARY 1996 – REVISED FEBRUARY 1997
27
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
analog-to-digital converter 3 module (continued)
The A/D module block diagram is illustrated in Figure 11.
ADCTL.5–4
5
4
ADENA.0
REF VOLTS SELECT
ADCTL.3–0
2
1
0
AD INPUT SELECT
ADIN.0
Port E Input
ENA 0
Port E Data
AN 0
AN0
ADENA.1
ADIN.1
Port E Input
ENA 1
Port E Data
AN 1
AN1
ADENA.5
ADIN.5
Port E Input
ENA 5
Port E Data
AN 5
AN5
ADENA.6
ADIN.6
Port E Input
ENA 6
Port E Data
AN 6
AN6
ADENA.7
ADIN.7
Port E Input
ENA 7
Port E Data
AN 7
AN7
AN8
AN9
VCC3
VSS3
ADCTL.6
SAMPLE
START
ADCTL.7
CONVERT
START
ADDATA.7–0
A-to-D
Conversion
Data Register
ADSTAT.2
AD READY
AD PRIORITY
ADPRI.6
0
1
Level 1 INT
Level 2 INT
AD INT FLAG
ADSTAT.1
AD INT ENA
ADSTAT.0
A/D
ADPRI.1–0
1
0
AD RATE
SELECTS
3
AN14
Figure 11. ADC3 Block Diagram
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