Texas Instruments MSP430x4xx - Manual (Page 429)

SD16_A Introduction
22-3 SD16_A
Figure 22−1. SD16_A Block Diagram
15 0
SD16DIVx
ACLK
TACLK
SD16SSELx
00
01
10
11
00
01
10
11
MCLK
SMCLK
AVCC
VREF
Divider
1/2/4/8
A0 000
SD16INCHx
+
−
001
+
−
010
+
−
011
+
−
100
+
−
101
+
−
110
+
−
111
+
−
A1
A2
A3
A4
A5
A6
2nd Order
Σ∆ Modulator
SD16GAINx
SD16DF
SD16LP
SD16SC
SD16OSRx
SD16SNGL
SD16MEM0
Reference
A7
SD16VMIDON
SD16REFON
fM
Reference
1.2V
Start Conversion
Logic
AVSS
SD16XDIVx
Divider
1/3/16/48
SD16XOSR
BUF
SD16BUFx
1
0
SD16UNI
1
AVCC
SD16INCHx=101
Temp.
sensor
PGA
1..32
5R
R
5R