PRELIMINARY DATA SHEET
MSP 44x8G
4.2. Pin Connections and Short Descriptions
NC = not connected (leave vacant for future compatibility reasons)
TP = Test Pin (leave vacant - pin is used for production test only)
LV = leave vacant
X = obligatory; connect as described in application circuit diagram
Pin No.
Pin Name
Type
Connection
(if not used)
Short Description
PQFP
80-pin
PLQFP PSDIP
64-pin
64
1
64-pin
1
8
NC
LV
X
Not connected
2
9
I2C_CL
IN/OUT
IN/OUT
IN/OUT
IN/OUT
OUT
I2C clock
3
2
10
11
12
13
14
15
16
17
−
I2C_DA
I2S_CL
X
I2C data
4
3
LV
LV
LV
LV
LV
LV
LV
X
I2S clock
5
4
I2S_WS
I2S_DA_OUT
I2S_DA_IN1
ADR_DA
ADR_WS
ADR_CL
DVSUP
I2S word strobe
I2S data output
6
5
7
6
IN
I2S1 data input
8
7
OUT
ADR data output
ADR word strobe
ADR clock
9
8
OUT
10
11
12
13
14
15
16
−
9
OUT
−
Digital power supply +5 V
Digital power supply +5 V
Digital power supply +5 V
Digital ground
−
−
DVSUP
X
10
−
18
−
DVSUP
X
DVSS
X
−
−
DVSS
X
Digital ground
11
12
−
19
20
−
DVSS
X
Digital ground
I2S_DA_IN2/3
I2S_DA_IN2
NC
IN
IN
LV
LV
LV
LV
LV
X
I2S2/3-data input
PQFP80: pin 22 separate I2S_DA_IN3
17
18
19
20
21
22
23
24
25
26
13
14
15
16
−
21
22
23
24
−
Not connected
I2S3 clock
I2S_CL3
I2S_WS3
RESETQ
I2S_DA_IN3
NC
IN
IN
IN
IN
I2S3 word strobe
Power-on-reset
I2S3-data input
Not connected
Aux out, right
LV
LV
LV
LV
X
−
−
17
18
19
25
26
27
DACA_R
DACA_L
VREF2
OUT
OUT
Aux out, left
Reference ground 2
Micronas
39
MICRONAS [ MICRONAS ]
