TMS320F243 Datasheet, PDF (51/116 Pages) Texas Instruments – DSP CONTROLLERS

A/D overview (continued)
ADCIN00
Analog
Switch
ADCIN01
Analog
Switch
ADCIN02
Analog
Switch
ADCIN07
Analog
Switch
TMS320F243, TMS320F241
DSP CONTROLLERS
SPRS064B – DECEMBER 1997 – REVISED FEBRUARY 1999
Control
Registers
Program
Clock
Prescaler
Control
Logic
Data Reg. 1
2-Level-Deep
FIFO
(ADCFIFO1)
Data Reg. 2
2-Level-Deep
FIFO
(ADCFIFO2)
ADC
CLK
Start
Timing
and
Control
Logic
VRT
VRB
5-Bit
Resistor
String
EOC OUT[9:0]
Successive
Approximation
Register
ADC
MACRO
5-Bit
Capacitor
Array
Comparator
AIN
VCCA
VSSA
VREFHI VREFLO
Figure 11. ’F243/’F241 Pseudo Dual Analog-to-Digital Converter (ADC) Module
ADDRESS OFFSET
7032h
7034h
7036h
7038h
Table 16. Addresses of ADC Registers
NAME
ADCTRL1
ADCTRL2
ADCFIFO1
ADCFIFO2
DESCRIPTION
ADC Control Register 1
ADC Control Register 2
ADC 2-Level-Deep Data Register FIFO for
Pseudo ADC #1
ADC 2-Level-Deep Data Register FIFO for
Pseudo ADC #2
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