Datasheet

 2017 Microchip Technology Inc. DS60001516A-page 4
SAM9G20
1. Block Diagram
Figure 1-1: SAM9G20 Block Diagram
Arm926EJ-S Processor
JTAG Selection and Boundary Scan
In-Circuit Emulator
AIC
Fast SRAM
16 Kbytes
D0–D15
A0/NBS0
A2–A15, A18–A20
A16/BA0
A17/BA1
NCS0
NCS1/SDCS
NRD/CFOE
NWR0/NWE/CFWE
NWR1/NBS1/CFIOR
NWR3/NBS3/CFIOW
SDCK, SDCKE
RAS, CAS
SDWE, SDA10
FIQ
IRQ0–IRQ2
DRXD
DTXD
MMU
APB
ROM
64 Kbytes
Peripheral
Bridge
24-channel
Peripheral
DMA
Bus Interface
A1/NBS2/NWR2
TST
PCK0–PCK1
System
Controller
XIN
TDI
TDO
TMS
TCK
JTAGSEL
ID
NANDOE, NANDWE
PMC
Main
Oscillator
XOUT
PITWDT
DBGU
SLAVEMASTER
PDC
BMS
A23–A24
NCS5/CFCS1
A25/CFRNW
NCS4/CFCS0
NWAIT
CFCE1–CFCE2
EBI
Static
Memory
Controller
CompactFlash
NAND Flash
SDRAM
Controller
NCS2, NCS6, NCS7
NCS3/NANDCS
RTCK
ECC
Controller
ETXCK-ERXCK ETXEN-ETXER
ECRS-ECOL
ERXER-ERXDV
ERX0–ERX3
ETX0–ETX3
MDC
MDIO
F100
10/100 Ethernet
MAC
FIFO
DMA
FIFO
SSC
PDC
USB
Device
DDM
DDP
TK
TF
TD
RD
RF
RK
TC0
TC1
TC2
TCLK0–TCLK2
TIOA0–TIOA2
TIOB0–TIOB2
SPI0
SPI1
PDC
USART0
USART1
USART2
USART3
USART4
USART5
RTS0–RTS3
SCK0–SCK3
TXD0–TXD5
RXD0–RXD5
CTS0–CTS3
PDC
TWI
TWCK
TWD
MCI
PDC
Transceiver
DPRAM
ICache
32 Kbytes
DCache
32 Kbytes
6-layer Matrix
NPCS2
NPCS1
SPCK
MOSI
MISO
NPCS0
NPCS3
SPI0_, SPI1_
MCCK
MCDA0–MCDA3
MCCDA
NRST
XIN32
XOUT32
VDDCORE
PIOA
PIOB
PIOC
DSR0
DCD0
DTR0
RI0
USB
OHCI
DMA
Transc.
Transc.
HDPA
HDMA
HDPB
HDMB
Image
Sensor
Interface
DMA
ISI_PCK
ISI_D0–ISI_D7
ISI_HSYNC
ISI_VSYNC
ISI_MCK
4-channel
10-bit
ADC
AD0–AD3
ADTRIG
ADVREF
VDDANA
GNDANA
PDC
D16–D31
RTT
Slow Clock
Oscillator
RSTC
POR
128-bit
GPBR
SHDN
WKUP
SHDWC
POR
RC
Osc.
OSCSEL
VDDBU
MCDB0–MCDB3
MCCDB
TC3
TC4
TC5
TCLK3–TCLK5
TIOA3–TIOA5
TIOB3–TIOB5
Fast SRAM
16 Kbytes
PDC
A21/NANDALE, A22/NANDCLE
PLLA
Filter
Filter
PLLB