Microchip Technology RN4870 Manual

RN4870/71
DS50002489G-page 26  2016-2023 Microchip Technology Inc.
FIGURE 5-2: RN4870 REFERENCE CIRCUIT
FIGURE 5-3: RN4870U REFERENCE CIRCUIT
RN4870
GND
1
GND
2
GND
3
VBAT
4
P2_2
5
VDD_IO
6
VDD_IO
7
ULPC_O
8
P2_3
9
BK_O
10
P2_7/TX_IND
11
P1_1
12
P1_2/SCL
13
P1_3/SDA
14
P0_0/CTS
15
P1_0
16
P3_6/RTS
17
P2_0/MODE
18
P2_4
19
NC
20
RST
21
UART_RX
22
UART_TX
23
P3_1
24
P3_2
25
P3_3
26
P3_4
27
P3_5
28
P0_7
29
P0_2
30
GND
31
GND
32
GND
33
RN4870
GND
GND
GND
VBAT
P2_2
VDD_IO
VDD_IO
ULPC_O
P2_3
BK_O
P2_7/TX_IND
P1_1
P1_2/SCL
P1_3/SDA
P0_0/CTS P1_0 P3_6/RTS
P2_0/MODE P2_4 NC
RST
UART_RX
UART_TX
P3_1
P3_2
P3_3
P3_4
P3_5
P0_7
P0_2
GND
GND
GND
U1
B
LD1
GND
GND
330
R1
GND
VCC
VCC
UART_TX
UART_RX
P0_2
P0_0
P1_0
P1_1
P1_2
P1_3
P0_7
P2_0
P2_2
P2_3
P2_4
P2_7
P3_1
P3_2
P3_3
P3_4
P3_5
P3_6
P0_7
P3_1
P3_2
P3_3
P3_4
P3_5
3
2
1
STS2301
Q1
P0_0
P1_0
P2_0
P2_4
P3_6
P1_1
P1_2
P1_3
P2_3
P2_7
P2_2
Configurable I/O
P2_0 MODE
Low
High
Test Mode
APP Mode
P2_0
Low
High
MODE
TestMode
APP Mode
1
2
J1
GND
1
2
3
4
5
J2
GND
Power Input
Reverse Voltage Protection
Configuration Interface
VCC
UART_TX
UART_RX
UART Interface
LED Option
P0_2
10 ȝF6.3VX5R
C1
GND
1
1
2
2
3
4.7k
R2
U2
VCC
V
OUT
VDD
MCP111-195
V
SS
VCC
GND
RST
GND
1
VBAT
2
P2_2
3
VDD_IO
4
VDD_IO
5
ULPC_O
6
P2_3
7
BK_O
8
P2_7/TX_IND
9
P1_1
10
P1_2/SCL
11
P1_3/SDA
12
P0_0/CTS
13
P1_0
14
P3_6/RTS
15
P2_0/MODE
16
P2_4
17
NC
18
RST
19
UART_RX
20
UART_TX
21
P3_1
22
P3_2
23
P3_3
24
P3_4
25
P3_5
26
P0_7
27
P0_2
28
GND
29
BT_RF
30
GND
VBAT
P2_2
VDD_IO
VDD_IO
ULPC_O
P2_3
BK_O
P2_7/TX_IND
P1_1
P1_2/SCL
P1_3/SDA
P0_0/CTS P1_0 P3_6/RTS
P2_0/MODE P2_4 NC
RST
UART_RX
UART_TX
P3_1
P3_2
P3_3
P3_4
P3_5
P0_7
P0_2
GND
BT_RF
RN4870U
U1
B
LD1
GND
GND
330
R1
GND
VCC
VCC
UART_TX
UART_RX
P0_2
P0_0
P1_0
P1_1
P1_2
P1_3
P0_7
P2_0
P2_2
P2_3
P2_4
P2_7
P3_1
P3_2
P3_3
P3_4
P3_5
P3_6
3
2
1
STS2301
Q1
P2_0 MODE
Low
High
Test Mode
APP Mode
P2_0
Low
High
MODE
TestMode
APP Mode
1
2
J1
GND
1
2
3
4
5
J2
GND
Power Input
Reverse Voltage Protection
Configuration Interface
VCC
UART_TX
UART_RX
UART Interface
LED Option
P0_2
C3 C4
ANT1
1 nH
L1
10 ȝF6.3VX5R
C1
GND
GND
Antenna Matching
1
1
2
2
3
4.7k
R2
U2
VCC
V
OUT
VDD
MCP111-195
V
SS
VCC
GND
RST
P0_7
P3_1
P3_2
P3_3
P3_4
P3_5
P0_0
P1_0
P2_4
P3_6
P1_1
P1_2
P1_3
P2_3
P2_7
P2_2
Configurable I/O
P2_0
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Microchip Technology RN4870 Specifications

General

Brand	Microchip Technology
Model	RN4870
Category	Motherboard
Language	English