Senstech Sdn. Bhd. MD-H01 Manual De Usuario
9／17
7.4
Microprocessor’s pin assignment
Pin#Name
Signal Name
I/O
Type
ACTIVE RESET Description
1 P0.1
RXD
I
open-drain
?
?
RF Rx
2 P0.0
RXD
I
open-drain
?
?
RF Rx
3 GND
GND
-
-
-
-
GND
4 D+
D+
I/O
-
-
-
USB D+
5 D-
D-
I/O
-
-
-
USB D-
6 VDD
VDD
-
-
-
-
VDD(3.3V)
7 REGN
POWER(VCC)
-
-
-
-
VCC(5V)
8 VBUS
USB/POWER(VCC)
I
-
-
-
VCC(5V)
9 RST/C2CK
RESET
O
-
-
-
Device Reset/C2CK
10 P3.0/C2D
P3.0
O
push-pull
-
H
C2D
11 P2.3
TXSW
I
open-drain
L
H
RF Tx
12 P2.2
13 P2.1
13 P2.1
LED2_G
O
open-drain
L
L
LED
14 P2.0
LED2_R
I
open-drain
L
H
LED
15 P1.7
16 P1.6
16 P1.6
DEBUG0
O
push-pull
-
-
Debug port
17 P1.5
18 P1.4
19 P1.3
20 P1.2
21 P1.1
22 P1.0
18 P1.4
19 P1.3
20 P1.2
21 P1.1
22 P1.0
LED1_R
O
open-drain
L
H
LED
23 P0.7/VREF
LED1_G
O
open-drain
L
H
LED
24 P0.6/CNVSTR
25 P0.5
25 P0.5
UART_RXD
I
open-drain
L
H
UART Rx
26 P0.4
UART_TXD
O
push-pull
L
H
UART Tx
27 P0.3/XTAL2
Power_Change
O
push-pull
H(Fix)
H
Output power control
28 P0.2/XTAL1
DEBUG1
O
push-pull
-
-
Debug port
7.5
RF antenna
MMATH-4570 is 50Ω antenna connected with MMRW-MD-H01. Antenna size is 45 x 70mm.
R1 = 1.5
Ω
C1 = 91pF
C2 = 6pF
C4 = 20pF
C5 = 5pF
C2 = 6pF
C4 = 20pF
C5 = 5pF