User's Manual
MeshConnect™ Module Series
Page 10
MeshConnect I/O PIN ASSIGNMENTS (Continued)
28 P3_5 P3_5 digital I/O Port P3.5 / T1 / CTS0 / QUADYB / SPIDO
digital I/O or dedicated
function port
29
29 P3_4 P3_4 digital I/O Port P3.4 / T0 / RTS0 / QUADYA / SPIDI
digital I/O or dedicated
function port
30
30 GND GND GND-Logic Ground Ground 49
31 P3_3 P3_3 digital I/O Port P3.3 / INT1 (active low)
digital I/O or dedicated
function port
31
32 P3_2 P3_2 digital I/O Port P3.2 / INT0 (active low)
digital I/O or dedicated
function port
32
33 GND GND GND-Logic Ground Ground 49
34 P3_1 P3_1 digital I/O Port P3.1 / TXD0 / QUADXB
digital I/O or dedicated
function port
33
35 P3_0 P3_0 digital I/O Port P3.0 / RXD0 / QUADXA
digital I/O or dedicated
function port
35
36 GND GND GND-Logic Ground Ground 49
37 P0_7 P0_7 digital I/O GPIO 8051 Port P0.7 / I2STX_MCLK digital I/O 36
38 P0_6 P0_6 digital I/O GPIO 8051 Port P0.6 / I2STX_BCLK digital I/O 37
39 P0_5 P0_5 digital I/O GPIO 8051 Port P0.5 / I2STX_LRCLK digital I/O 38
40 P0_4 P0_4 digital I/O GPIO 8051 Port P0.4 / I2STX_DO digital I/O 39
41 P0_3 P0_3 digital I/O GPIO 8051 Port P0.3 / I2SRX_MCLK digital I/O 40
42 P0_2 P0_2 digital I/O GPIO 8051 Port P0.2 / I2SRX_BCLK digital I/O 41
43 P0_1 P0_1 digital I/O GPIO 8051 Port P0.1 / I2SRX_LRCK digital I/O 42
44 P0_0 P0_0 digital I/O GPIO 8051 Port P0.0 / I2SRX_DI digital I/O 43
45 DVDD_1_5
(2)
NC Power
Output of Digital Internal Voltage Regulator
(1.5V) / 1.5V Power supply for Digital
Core(input mode @ No REG)
Selected as Internal
Regulator output or
Regulated Voltage
supply Input
19
46 ISP ISP Digital Input
Mode Select, Bit #2. Active High In-System
Programming (ISP) Input:
0: Normal Mode
1: ISP Mode
Programming 15
47 RESET RESET Control Reset (Active Low) Hardware Reset 17
48 AVDD_1_5
(2)
NC Power
Output of Analog Internal Voltage Regulator
(1.5V) / 1.5V Power supply for Mixer, VGA,
and LPF (input mode @ No REG)
Selected as Internal
Regulator output or
Regulated Voltage
supply Input
6
49 GND GND GND-Logic Ground Ground 49
50 GND GND GND-Logic Ground Ground 49
51 GND GND GND-Logic Ground Ground 49
52 GND GND GND-Logic Ground Ground 49
53 GND GND GND-Logic Ground Ground 49
54 NC NC NC No Connect No connect N/A
55 GND GND GND-RF Ground Ground N/A
56 GND GND GND-RF Ground Ground N/A
Pin
#
MeshConnect™
Module
MeshConnect™
Extended Range
Module
Type Description Functionality
IC
Pin
#
Note:
1. Pin used on extended range module to control on board power amplier.
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.