SPNS184 – SEPTEMBER 2012
1.4
Functional Block Diagram
NOTE
The block diagram reflects the 337BGA package. Some pins are multiplexed or not available
in the 144QFP. Please see the Terminal functions table for details.
192kB RAM
with ECC
32K
32K
32K
32K
32K
32K
1.25MB
Flash
with
ECC
DMA
POM
HTU1
HTU2
EMAC
OHCI
Dual Cortex-R4F
CPUs in Lockstep
Switched
Central Resource
Switched
Central Resource
Switched
Central Resource
Main Cross Bar: Arbitration and Prioritization Control
CRC
Switched Central Resource
Switched Central Resource
USB Slaves
USB1.OverCurrent
USB1.RCV
USB1.VM
USB1.VP
USB1.PortPower
USB1.SPEED
USB1.SUSPEND
USB1.TXDAT
USB1.TXEN
USB1.TXSE0
USB2.OverCurrent
USB2.RCV
USB2.VM
USB2.VP
USB2.PortPower
USB2.SPEED
USB2.SUSPEND
USB2.TXDAT
USB2.TXEN
USB2.TXSE0
Peripheral Central Resource Bridge
SYS
IOMM
ESM
PMM
DCAN1
DCAN2
DCAN3
nPORRST
nRST
ECLK
nERROR
CAN1_RX
CAN1_TX
CAN2_RX
CAN2_TX
CAN3_RX
CAN3_TX
MIBSPI1_CLK
MIBSPI1_SIMO[1:0]
MIBSPI1_SOMI[1:0]
MIBSPI1_nCS[5:0]
MIBSPI1_nENA
SPI2_CLK
SPI2_SIMO
SPI2_SOMI
SPI2_nCS[1:0]
SPI2_nENA
MIBSPI3_CLK
MIBSPI3_SIMO
MIBSPI3_SOMI
MIBSPI3_nCS[5:0]
MIBSPI3_nENA
SPI4_CLK
SPI4_SIMO
SPI4_SOMI
SPI4_nCS0
SPI4_nENA
MIBSPI5_SIMO[3:0]
MIBSPI5_SOMI[3:0]
MIBSPI5_nCS[3:0]
MIBSPI5_nENA
LIN_RX
LIN_TX
SCI_RX
SCI_TX
64 KB Flash
for EEPROM
Emulation
with ECC
EMIF
Switched
Central Resource
eQEP
1,2
eCAP
1..6
eQEPxA
eQEPxB
eQEPxS
eQEPxI
eCAP[6:1]
VIM
Host
RTI
MibSPI1
EMAC Slaves
MDIO
MDCLK
MDIO
MII_RXD[3:0]
MII_RXER
MII_TXD[3:0]
MII_TXEN
MII_TXCLK
MII_RXCLK
MII_CRS
MII_RXDV
MII_COL
DCC1
ePWM
1..7
nTZ[3:1]
SYNCO
SYNCI
ePWMxA
ePWMxB
MII
Device
Color Legend for
Power Domains
Core/RAM
always on
USB_FUNC.GZO
USB_FUNC.PUENO
USB_FUNC.PUENON
USB_FUNC.RXDI
USB_FUNC.RXDMI
DCC2
USB_FUNC.RXDPI
USB_FUNC.SE0O
USB_FUNC.SUSPENDO
USB_FUNC.TXDO
USB_FUNC.VBUSI
SPI2
MibSPI3
#1
SPI4
MibADC1
VCCAD
VSSAD
ADREFHI
ADREFLO
Core
MibADC2 N2HET1 N2HET2
GIO
I2C
MibSPI5
#2
#3
#5
AD1EVT
AD1IN[7:0]
GIOA[7:0]
GIOB[7:0]
I2C_SDA
N2HET1[31:0]
N2HET2[15:0]
N2HET1_PIN_nDIS
N2HET2[18,16]
RAM
#1
#2
N2HET2_PIN_nDIS
I2C_SCL
AD2EVT
AD1IN[15:8] \
AD2IN[15:8]
AD1IN[23:16] \
AD2IN[7:0]
LIN
SCI
Figure 1-1. Functional Block Diagram
Copyright © 2012, Texas Instruments Incorporated
RM46Lx50 16/32-Bit RISC Flash Microcontroller
Product Folder Links:
5
PRODUCT PREVIEW
EMIF_nWAIT
EMIF_CLK
EMIF_CKE
EMIF_nCS[4:2]
EMIF_nCS[0]
EMIF_ADDR[12:0]
EMIF_BA[1:0]
EMIF_DATA[15:0]
EMIF_nDQM[1:0]
EMIF_nOE
EMIF_nWE
EMIF_nRAS
EMIF_nCAS
EMIF_nRW
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