MeshConnect™
Module Series
MeshConnect I/O PIN ASSIGNMENTS
(Continued)
Pin
#
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
MeshConnect™
Module
P3_5
P3_4
GND
P3_3
P3_2
GND
P3_1
P3_0
GND
P0_7
P0_6
P0_5
P0_4
P0_3
P0_2
P0_1
P0_0
MeshConnect™
Extended Range
Module
P3_5
P3_4
GND
P3_3
P3_2
GND
P3_1
P3_0
GND
P0_7
P0_6
P0_5
P0_4
P0_3
P0_2
P0_1
P0_0
Type
digital I/O
digital I/O
GND-Logic
digital I/O
digital I/O
GND-Logic
digital I/O
digital I/O
GND-Logic
digital I/O
digital I/O
digital I/O
digital I/O
digital I/O
digital I/O
digital I/O
digital I/O
Description
Port P3.5 / T1 / CTS0 / QUADYB / SPIDO
Port P3.4 / T0 / RTS0 / QUADYA / SPIDI
Ground
Port P3.3 / INT1 (active low)
Port P3.2 / INT0 (active low)
Ground
Port P3.1 / TXD0 / QUADXB
Port P3.0 / RXD0 / QUADXA
Ground
GPIO 8051 Port P0.7 / I2STX_MCLK
GPIO 8051 Port P0.6 / I2STX_BCLK
GPIO 8051 Port P0.5 / I2STX_LRCLK
GPIO 8051 Port P0.4 / I2STX_DO
GPIO 8051 Port P0.3 / I2SRX_MCLK
GPIO 8051 Port P0.2 / I2SRX_BCLK
GPIO 8051 Port P0.1 / I2SRX_LRCK
GPIO 8051 Port P0.0 / I2SRX_DI
Output of Digital Internal Voltage Regulator
(1.5V) / 1.5V Power supply for Digital
Core(input mode @ No REG)
Mode Select, Bit #2. Active High In-System
Programming (ISP) Input:
0: Normal Mode
1: ISP Mode
Reset (Active Low)
Output of Analog Internal Voltage Regulator
(1.5V) / 1.5V Power supply for Mixer, VGA,
and LPF (input mode @ No REG)
Ground
Ground
Ground
Ground
Ground
No Connect
Ground
Ground
Functionality
digital I/O or dedicated
function port
digital I/O or dedicated
function port
digital I/O or dedicated
function port
digital I/O or dedicated
function port
digital I/O or dedicated
function port
digital I/O or dedicated
function port
Ground
digital I/O
digital I/O
digital I/O
digital I/O
digital I/O
digital I/O
digital I/O
digital I/O
Selected as Internal
Regulator output or
Regulated Voltage
supply Input
Ground
Ground
IC
Pin
#
29
30
49
31
32
49
33
35
49
36
37
38
39
40
41
42
43
45
DVDD_1_5
(2)
NC
Power
19
46
47
48
49
50
51
52
53
54
55
56
Note:
ISP
RESET
AVDD_1_5
(2)
GND
GND
GND
GND
GND
NC
GND
GND
ISP
RESET
NC
GND
GND
GND
GND
GND
NC
GND
GND
Digital Input
Control
Power
GND-Logic
GND-Logic
GND-Logic
GND-Logic
GND-Logic
NC
GND-RF
GND-RF
Programming
Hardware Reset
15
17
6
49
49
49
49
49
N/A
N/A
N/A
Selected as Internal
Regulator output or
Regulated Voltage
supply Input
Ground
Ground
Ground
Ground
Ground
No connect
Ground
Ground
1. Pin used on extended range module to control on board power amplifier.
2. Digital 1.5V regulator output. Sources little current. If it is used by the host board, care must be taken to ensure noise is not introduced as it could degrade RF performance.
Page 10
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