Datasheet

Table Of Contents
GCM
OSCIN
Low Power
Oscillator
10MHz
80kHz
PLL #1 (FMzPLL)
1
0
4
5
/1..64
X1..256
/1..8
/1..32
6
PLL # 2
*
/1,2,..256
SPIx,MibSPIx
/2,3..2
24
LIN, SCI
SPI
LIN / SCI
/1,2..32
MibADCx
ADCLK
/1,2..65536
External Clock
ECLK
VCLK2
N2HETx
HRP
/1..64
LRP
/2
0
..2
5
Loop
Resolution Clock
High
Baud Rate
Baud Rate
VCLK2
Ethernet
VCLKA4_DIVR
/1..64 X1..256 /1..8
/1..32 *
EXTCLKIN1
EXTCLKIN2
3
7
RTICLK (to RTI, DWWD)
/1, 2, 4, or 8
VCLK
0
1
4
5
6
3
7
VCLK3
* the frequency at this node must not
exceed the maximum HCLK specifiation.
/1,2..256
I2C
I2C baud
rate
NTU[1]
NTU[0]
NTU[2]
NTU[3]
RTI
PLL#2 output
EXTCLKIN1
Reserved
Reserved
VCLK
/1,2,..1024
Phase_seg2
CAN Baud Rate
Phase_seg1
VCLKA1
Prop_seg
(FMzPLL)
USB Host
VCLKA3_DIVR / 4
VCLKA3_DIVR
DCANx
EMIF USB Device
VCLKA3_DIVR
N2HETx
TU
VCLKA4_DIVR
/DIVR
PLL2 ODCLK/8
PLL2 ODCLK/16
VCLKA4_DIVR_EMAC
(to EMAC)
VCLKA4_S (left open)
0
1
4
5
6
VCLK
3
7
VCLKA1 (to DCANx)
0
1
4
5
6
VCLK
3
7
0
1
4
5
6
VCLK
3
7
VCLKA3_S (left open)
/DIVR
VCLKA3_DIVR
(to USB Device / 48MHZ
and USB Host / 48 MHz)
/4
VCLKA3_DIVR / 4
(to USB Host / 12 MHz)
VCLKA4_SRC
HCLK (to SYSTEM)
GCLK, GCLK2 (to CPU)
VCLK_peri (VCLK to peripherals on PCR1)
VCLK2 (to N2HETx and HTUx)
/1..16
/1..16
VCLK3 (to Ethernet, USB)
/1..16
VCLK_sys (VCLK to system modules)
VCLK4 (to ePWM, eQEP, eCAP)
/1..16
RM46L852
www.ti.com
SPNS185C SEPTEMBER 2012REVISED JUNE 2015
6.6.2.2 Mapping of Clock Domains to Device Modules
Each clock domain has a dedicated functionality as shown in the figures below.
Figure 6-7. Device Clock Domains
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