MSP 34x1G
PRELIMINARY DATA SHEET
4.2. Pin Connections and Short Descriptions
NC = not connected; leave vacant
LV = if not used, leave vacant
X = obligatory; connect as described in circuit diagram
DVSS: if not used, connect to DVSS
AHVSS: connect to AHVSS
Pin No.
Pin Name
Type
Connection
(if not used)
Short Description
PLCC
68-pin
PSDIP
64-pin
PSDIP
52-pin
PQFP
80-pin
PLQFP
64-pin
1
16
−
14
−
9
8
ADR_WS
NC
OUT
LV
LV
LV
LV
LV
ADR word strobe
Not connected
ADR data output
I2S1 data input
I2S data output
I2S word strobe
I2S clock
2
−
−
3
15
14
13
12
11
10
9
13
12
11
10
9
8
7
ADR_DA
I2S_DA_IN1
I2S_DA_OUT
I2S_WS
I2S_CL
OUT
IN
4
7
6
5
6
5
OUT
6
5
4
IN/OUT LV
IN/OUT LV
7
4
3
8
8
3
2
I2C_DA
IN/OUT
IN/OUT
X
I2C data
9
7
2
1
I2C_CL
X
I2C clock
10
11
12
13
14
15
16
17
18
8
−
1
64
63
62
61
60
59
58
−
NC
LV
X
Not connected
Stand-by (low-active)
I2C Bus address select
D_CTR_I/O_0
D_CTR_I/O_1
Not connected
Not connected
Not connected
7
6
80
79
78
77
76
75
−
STANDBYQ
ADR_SEL
D_CTR_I/O_0
D_CTR_I/O_1
NC
IN
IN
6
5
X
5
4
IN/OUT LV
4
3
IN/OUT LV
3
−
LV
LV
LV
2
−
NC
−
−
NC
1
2
74
57
AUD_CL_OUT
OUT
LV
Audio clock output
(18.432 MHz)
19
20
21
22
23
64
63
62
61
60
1
73
72
71
70
69
56
55
54
53
52
TP
LV
X
Test pin
52
51
50
49
XTAL_OUT
XTAL_IN
TESTEN
ANA_IN2+
OUT
IN
Crystal oscillator
Crystal oscillator
Test pin
X
IN
X
IN
AVSS via
56 pF / LV
IF input 2 (can be left
vacant, only if IF input 1 is
also not in use)
24
59
48
68
51
ANA_IN−
IN
AVSS via
56 pF / LV
IF common (can be left
vacant, only if IF input 1 is
also not in use)
50
Micronas
MICRONAS [ MICRONAS ]
