Microchip Technology dsPIC33CK - Page 51

Schematics and Layout
 2020 Microchip Technology Inc. DS50002927A-page 51
FIGURE A-8: SCHEMATICS PAGE 8 OF 8
74LVC1T45GW
DIR
5
A
3
B
4
GND
2
V CCA
1
V CCB
6
U6
3V3
330R
0402 1%
R34
330R
0402 1%
R35
74LVC1T45GW
DIR
5
A
3
B
4
GND
2
V CCA
1
V CCB
6
U7
3V3
330R
0402 1%
R36
CLK_EN
DATA_EN
330R
0402 1%
R37
22R
0603
1%
R41
22R
0603
1%
R40
MOSI
SCK
MISO
SCK_IN
CLK_EN
DATA_EN
ICSP
ICSP
ICSP_SPI0_SPCK
ICSP_SPI0_MOSI
ICSP_SPI0_MISO
ISP_SPI1_SPCK
ICSP_SPI0_MOSI
ICSP_SPI0_MISO
ICSP_SPI0_SPCK
(ICSP_SCK)
(SCK_IN)
(ICSP_SDO)
(ICSP_SDI)
ISP_SPI1_SPCK
4.7k
0402
1%
R38
4.7k
0402
1%
R39
Vඉඉ/MCLR
DATA_EN
CLK_EN
3.3k
0402
1%
R32
3.3k
0402
1%
R33
VPP_ON
74LVC1T45GW
DIR
5
A
3
B
4
GND
2
V CCA
1
V CCB
6
U8
1k
0603
1%
R42
3V3
PGC
PGD
10k
0402
1%
R30
Target ICSP™ Signals
PICkit™ On-Board 4 (buffers)
CLK_EN
DATA_EN
0.1 μF
25V
0603
C45
0.1 μF
25V
0603
C26
0.1 μF
25V
0603
C29
0.1 μF
25V
0603
C42
0.1 μF
25V
0603
C44
0.1 μF
25V
0603
C43
10k
0402
1%
R51
0R
0805
R48
0R
0805
R47
3V3
3V3
3V3
3V3
+3.3V
DGND
Power Supply Connection – PKOB
0R
R49
DEBUG_RX
0R
R50
DEBUG_TX
VCP_UART_TX
VCP_UART_RX
VCP
VCP
MCLR
To A
pp
lication PGD
To A
pp
lication PGC
To Application Vඉඉ/MCLR