LISA-U2 series - System integration manual
UBX-13001118 - R27
Appendix
Page 170 of 183
C1-Public
A.3.2
Pin-out comparison LISA-U1 series vs. LISA-U2 series
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
GND
VCC
VCC
VCC
GND
SPI_MRDY
SPI_SRDY
SPI_MISO
SPI_MOSI
SPI_SCLK
RSVD / SPK_N
GND
RSVD / SPK_P
RSVD
GPIO5
VSIM
SIM_RST
SIM_IO
SIM_CLK
SDA
SCL
RSVD / I2S_RXD
RSVD / I2S_CLK
RSVD / I2S_TXD
RSVD / I2S_WA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
V_BCKP
GND
V_INT
RSVD
GND
GND
GND
DSR
RI
DCD
DTR
GND
RTS
CTS
TXD
RXD
GND
VUSB_DET
PWR_ON
GPIO1
GPIO2
RESET_N
GPIO3
GPIO4
GND
26
27
USB_D-
USB_D+
40
39
RSVD / MIC_P
RSVD / MIC_N
28
29
30
31
32
33
34
35
36
37
38
76
75
74
73
72
71
70
69
68
67
66
GND
R
SV
D
GND
GND
GND
GND
GND
A
NT
GND
GND
GND
LISA-U1
Top View
Pin 28…38 = GND
RSVD
Analog
Audio
SPI
RSVD
Figure 77: LISA-U1 series pin assignment
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
GND
VCC
VCC
VCC
GND
SPI_MRDY / GPIO14
SPI_SRDY / GPIO13
SPI_MISO / GPIO12
SPI_MOSI / GPIO11
SPI_SCLK / GPIO10
GPIO9 / I2S1_WA
GND
GPIO8 / I2S1_CLK
RSVD / CODEC_CLK
GPIO5
VSIM
SIM_RST
SIM_IO
SIM_CLK
SDA
SCL
RSVD / I2S_RXD
RSVD / I2S_CLK
RSVD / I2S_TXD
RSVD / I2S_WA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
V_BCKP
GND
V_INT
RSVD
GND
GND
GND
DSR
RI
DCD
DTR
GND
RTS
CTS
TXD
RXD
GND
VUSB_DET
PWR_ON
GPIO1
GPIO2
RESET_N
GPIO3
GPIO4
GND
26
27
USB_D-
USB_D+
40
39
GPIO7 / I2S1_TXD
GPIO6 / I2S1_RXD
28
29
30
31
32
33
34
35
36
37
38
76
75
74
73
72
71
70
69
68
67
66
GND
RS
V
D
/
A
N
T
_D
IV
GND
GND
GND
GND
GND
A
N
T
GND
GND
GND
LISA-U2
Top View
Pin 28…38 = GND
Clock
Out
Digital
Audio
or
GPIO
Rx Div
SPI
or
GPIO
Figure 78: LISA-U2 series pin assignment
(highlighted name/function changes)
LISA-U1 series
LISA-U2 series
No
Name
Description
Name
Description
Remarks for Migration
1
GND
Ground
GND
Ground
2
V_BCKP
RTC supply
input/output
V_BCKP
RTC supply
input/output
V_BCKP operating characteristics difference:
LISA-U1 series:
V_BCKP output = 2.3 V typ.
V_BCKP input = 1.0 V min / 2.5 V max
LISA-U2 series:
V_BCKP output = 1.8 V typ.
V_BCKP input = 1.0 V min / 1.9 V max
3
GND
Ground
GND
Ground
4
V_INT
Digital Interfaces
supply output
V_INT
Digital Interfaces
supply output
No difference:
V_INT output = 1.8 V typ., 70 mA max.
5
RSVD
RESERVED pin
RSVD
RESERVED pin
No difference:
This pin must be connected to GND
6…8
GND
Ground
GND
Ground
9
DSR
UART data set ready
output
DSR
UART data set ready
output
Circuit 107 (DSR) in ITU-T V.24, 1.8 V typ.
LISA-U1 series:
Output driver strength = 4 mA
LISA-U2 series:
Output driver strength = 1 mA