MSP430FG6626 Datasheet, PDF (16/171 Pages) Texas Instruments – Mixed-Signal Microcontrollers

MSP430FG6626, MSP430FG6625
MSP430FG6426, MSP430FG6425
SLAS874 – MAY 2015
www.ti.com
4.3 Signal Descriptions
Table 4-2 describes the signals for all device variants and package options.
FUNCTION
ADC
BSL
SIGNAL
NAME
A0
A1
A2
A3
A4
A5
AD0+
AD0-
AD1+
AD1-
AD2+
AD2-
AD3+
AD3-
VeREF+
BSLRX
BSLTX
Backup
VBAK
VBAT
Charge Pump
Clock
Comparator
CPCAP
ACLK
RTCCLK
SMCLK
XIN
XOUT
XT2IN
XT2OUT
CB0
CB1
CB2
CB3
CB4
CB5
CB6
CB7
CB8
CB9
CB10
CB11
CBOUT
Table 4-2. Signal Descriptions
PIN NO.
PZ
ZQW
97
B4
98
B3
99
A2
100
D5
10
E4
11
E2
1
A1
2
B2
3
B1
4
C3
5
C2
6
C1
7
D4
8
D2
9
D1
36
J6
35
M5
86
A7
87
D8
17
G4
34
L5
88
D7
46
J8
15
G1
14
F1
84
B8
85
B7
97
B4
98
B3
99
A2
100
D5
1
A1
2
B2
3
B1
4
C3
5
C2
6
C1
7
D4
8
D2
42
L7
PIN
TYPE ⁽¹⁾
DESCRIPTION
I
ADC analog single ended input A0
I
ADC analog single ended input A1
I
ADC analog single ended input A2
I
ADC analog single ended input A3
I
ADC analog single ended input A4
I
ADC analog single ended input A5
I
ADC positive analog differential input AD0+
I
ADC negative analog differential input AD0-
I
ADC positive analog differential input AD1+
I
ADC negative analog differential input AD1-
I
ADC positive analog differential input AD2+
I
ADC negative analog differential input AD2-
I
ADC positive analog differential input AD3+
I
ADC negative analog differential input AD3-
I
Input for an external reference voltage to the ADC and DAC
I
BSL receive input
O BSL transmit output
I/O
Capacitor for backup subsystem. Do not load this pin externally. For
capacitor values, see C_BAK in Recommended Operating Conditions.
P
Backup or secondary supply voltage. If backup voltage is not supplied,
connect to DVCC externally.
I/O Capacitor for op amp and CTSD16 rail-to-rail charge pump
O ACLK output (divided by 1, 2, 4, 8, 16, or 32)
O RTCCLK output
O SMCLK output
I
Input terminal for crystal oscillator XT1
O Output terminal of crystal oscillator XT1
I
Input terminal for crystal oscillator XT2
O Output terminal of crystal oscillator XT2
I
Comparator_B input CB0
I
Comparator_B input CB1
I
Comparator_B input CB2
I
Comparator_B input CB3
I
Comparator_B input CB4
I
Comparator_B input CB5
I
Comparator_B input CB6
I
Comparator_B input CB7
I
Comparator_B input CB8
I
Comparator_B input CB9
I
Comparator_B input CB10
I
Comparator_B input CB11
O Comparator_B output
(1) I = input, O = output, I/O = input or output, P = power
16
Terminal Configuration and Functions
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