Figure 1: K26 SOM Block Diagram
Block RAM
(slave)
2-way Cache
Coherent Master
APU
MPCore
M
To all output
ports
CCI
Coherency
And Bypass
RPU
GIC
TCMs
OCM
Switch
USB0 w/DMA
USB1 w/DMA
LPD DMA
PS SysMon
eFUSE
LPD SLCRs
IPI
LPD Units
RTC
IOP
Inbound
IOP
Outbound
OCM Memory
S0
DAP Controller
APB
APB
S
S1
CSU Processor
PMU Processor
AXI
Quad-SPI
GEM x4
NAND
SDIO x2
IOP with Masters
IOP Units
UART x2
SPI x2
CAN x2
I2C x2
IOP Slave-only
S
S
TBU2
Programmable
Logic
S2
FPD SLCRs
FPD configs
DDR Memory Controller
SMMU TCU
S4
S5
S3
DisplayPort
FPD
DMA
TBU5
CoreSight
S2
S3
S4
DVM
M2
M1
M0
S0
S1
PCIe
SATA
AXI Stream
GPU PPs
LPD
Outbound
LPD Inbound
S
M_AXI_HPM0_LPD
S_AXI_LPD
S_AXI_HP3_FPD
S_AXI_HP2_FPD
S_AXI_HP1_FPD
S_AXI_HP0_FPD
S_AXI_ACP_FPD
S_AXI_ACE_FPD
S_AXI_HPC0_FPD
S_AXI_HPC1_FPD
M_AXI_HPM0_FPD
M_AXI_HPM1_FPD
I/O Coherent
Master
GPU CFG
LPD Main
Switch
RPU
Switch
Full crossbar.
Each input to all
output ports.
Full crossbar.
To all output ports.
GPIO x78, x96
FPD
Main
Switch
AXI
Stream
SIOU
Outbound
APB
Non-Coherent
Master
RPU
M
M
TTC x4
LPD SWDT
M
M
TBU3
TBU4
TBU1
TBU0
VCU
RF
PCIe v3.1
100Gb
PL SysMon
IOP Outbound to FPD register:
IOU_INTERCONNECT_ROUTE
DDR4
(1 GB)
DDR4
(1 GB)
DDR4
(1 GB)
DDR4
(1 GB)
x16
x16
QSPI
(512 Mb)
TPM2.0
eMMC
(16 GB)
x4
x8
EEPROM
Connector 1
Connnector 2
I2C
x4
PS-GTR
x49
MIO
32.768 kHz
Oscillator
33.33 MHz
Oscillator
x4
GTH
x21 HDIO
x48
HDIO
x32 HPIO (x16 differential pairs)
x84
HP
IO
(42
diff
erential
pairs
)
SPI
x16
x16
Xilinx MPSoC
APB
X24999-032421
Chapter 1: Introduction
UG1091 (v1.0) April 20, 2021
Carrier Card Design for Kria SOM
6