5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
S
5
P
4
4
1
8
-
S
Y
S
T
E
M
C
O
N
T
R
O
L
32.768KHz
24MHz
4418 R65=10K, R66=NC
6818 R65=NC, R66=100K
MCU_XTIPLL
MCU_XTORTC
MCU_XTIRTC
MCU_XTIRTC
MCU_XTORTC
MCU_XTIPLL
MCU_XTOPLL
MCU_XTOPLL
VCC3P3_SYS
VCC3P3_ALIVE
MCU_PWREN_SYS
MCU_NRESETIN
MCU_PWRKEY
MCU_PWRKEY_GPIO
MCU_NRESETOUT
RTC_CLK
Title
Size Document Number Rev
Date: Sheet
of
SYSTEM
1.0
RP4418/6818CV03 Board Schematics (TEL +86 755 23036780)
A4
310Monday, September 12, 2016
Shen Zhen RP ELECTRONICS CO.,LTD
Title
Size Document Number Rev
Date: Sheet
of
SYSTEM
1.0
RP4418/6818CV03 Board Schematics (TEL +86 755 23036780)
A4
310Monday, September 12, 2016
Shen Zhen RP ELECTRONICS CO.,LTD
Title
Size Document Number Rev
Date: Sheet
of
SYSTEM
1.0
RP4418/6818CV03 Board Schematics (TEL +86 755 23036780)
A4
310Monday, September 12, 2016
Shen Zhen RP ELECTRONICS CO.,LTD
U4E
S5P4418/6818/17BODY/537BALL
U4E
S5P4418/6818/17BODY/537BALL
nTRST/GPIOE25
V6
TMS/GPIOE26
Y5
TDI/GPIOE27
W5
TCLK/GPIOE28
AA6
TDO/GPIOE29
Y7
EFUSE
AD7
PLLXTI
A20
PLLXTO
B20
RTCXTI
AE4
RTCXTO
AD4
nRESET
AE3
nGRESETOUT
AB7
VDDPWRON
AB6
VDDPWRONDDR
AC6
nVDDPWRTOGGLE
AE6
nBATF
AB2
TEST_EN
AE7
WIRE0
AD8
WIRE1
AE8
C63
15pF
C63
15pF
R65 4418/10KR65 4418/10K
R66
6818/100K
R66
6818/100K
C62
15pF
C62
15pF
R69
1M
R69
1M
R68
5M
R68
5M
C139
1nF
C139
1nF
D14 IN4148D14 IN4148
C61
18pF
C61
18pF
R101 4.7KR101 4.7K
R64 100KR64 100K
R62
4418/10K
R62
4418/10K
Y2
32.768KHz/FC-135
Y2
32.768KHz/FC-135
21
C64
18pF
C64
18pF
R63
10K
R63
10K
Y1
24Mhz15pF
Y1
24Mhz15pF
1
1
2
2
3
3
4
4