RM46L450
RM46L850
www.ti.com
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
1.25MB
Flash
with
32K
32K
32K
32K
32K
32K
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
Switched Central Resource
Switched Central Resource
Peripheral Central Resource Bridge
CRC
USB Slaves
nPORRST
EMIF_nWAIT
SYS
nRST
ECLK
USB1.OverCurrent
USB1.RCV
USB1.VM
EMIF_CLK
IOMM
PMM
EMIF_CKE
64 KB Flash
for EEPROM
Emulation
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
nERROR
ESM
USB1.VP
USB1.PortPower
USB1.SPEED
USB1.SUSPEND
USB1.TXDAT
USB1.TXEN
USB1.TXSE0
USB2.OverCurrent
USB2.RCV
CAN1_RX
CAN1_TX
CAN2_RX
CAN2_TX
DCAN1
with ECC
EMIF
DCAN2
DCAN3
VIM
Switched
Central Resource
CAN3_RX
Host
CAN3_TX
EMIF_nWE
MIBSPI1_CLK
MIBSPI1_SIMO[1:0]
MIBSPI1_SOMI[1:0]
eQEPxA
EMIF_nRAS
EMIF_nCAS
EMIF_nRW
USB2.VM
USB2.VP
eQEP
1,2
eQEPxB
eQEPxS
eQEPxI
USB2.PortPower
USB2.SPEED
USB2.SUSPEND
USB2.TXDAT
USB2.TXEN
MibSPI1
SPI2
RTI
MIBSPI1_nCS[5:0]
MIBSPI1_nENA
EMAC Slaves
MDCLK
eCAP
1..6
SPI2_CLK
SPI2_SIMO
SPI2_SOMI
eCAP[6:1]
MDIO
USB2.TXSE0
MDIO
DCC1
MII_RXD[3:0]
MII_RXER
MII_TXD[3:0]
MII_TXEN
MII_TXCLK
MII_RXCLK
USB_FUNC.GZO
SPI2_nCS[1:0]
SPI2_nENA
nTZ[3:1]
SYNCO
SYNCI
USB_FUNC.PUENO
USB_FUNC.PUENON
USB_FUNC.RXDI
USB_FUNC.RXDMI
USB_FUNC.RXDPI
USB_FUNC.SE0O
USB_FUNC.SUSPENDO
USB_FUNC.TXDO
USB_FUNC.VBUSI
ePWM
1..7
MIBSPI3_CLK
MII
MIBSPI3_SIMO
MIBSPI3_SOMI
MIBSPI3_nCS[5:0]
MIBSPI3_nENA
ePWMxA
ePWMxB
Device
MibSPI3
SPI4
DCC2
MII_CRS
MII_RXDV
MII_COL
Color Legend for
Power Domains
SPI4_CLK
SPI4_SIMO
SPI4_SOMI
SPI4_nCS0
SPI4_nENA
Core/RAM
always on
# 1
MibADC1
MibADC2 N2HET1 N2HET2
GIO
I2C
Core
# 2
# 3
# 5
MIBSPI5_SIMO[3:0]
MIBSPI5_SOMI[3:0]
MIBSPI5_nCS[3:0]
MIBSPI5_nENA
MibSPI5
RAM
LIN_RX
LIN_TX
LIN
SCI
# 1
# 2
SCI_RX
SCI_TX
Figure 1-1. Functional Block Diagram
Copyright © 2012, Texas Instruments Incorporated
RM46Lx50 16/32-Bit RISC Flash Microcontroller
Submit Documentation Feedback
Product Folder Links: RM46L450 RM46L850
5
TI [ TEXAS INSTRUMENTS ]
