MPC8313ZQADDC Freescale Semiconductor, MPC8313ZQADDC Datasheet - Page 898

• Manufacturer Part Number: MPC8313ZQADDC
• Description: Microprocessors - MPU 8313 REV2.2 PB NO ENC
• Manufacturer: Freescale Semiconductor

Specifications of MPC8313ZQADDC

• Processor Series: MPC8313
• Core: e300
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 133 MHz
• Program Memory Size: 16 KB
• Data Ram Size: 16 KB
• Interface Type: I2C
• Mounting Style: SMD/SMT
• Package / Case: PBGA
• Number Of Programmable I/os: 32
• Number Of Timers: 4

Enhanced Three-Speed Ethernet Controllers
The sample point coincides with the cycle after the SFD (Start of Frame Delimiter) detection by the MAC.
For received frames, this will be at least 4 bit times (MII) or 8 bit times (GMII) after the message
timestamp point specified in [1588]. For transmission, the eTSEC sample point precedes the sample point
specified in [1588] by at least 4-bit times (MII) or 8-bit times (GMII). For a particular mode, the eTSEC
sample point is a consistent number of bit times relative to the SFD detection. Thus, the offset from the
[1558] specified sample point can be accounted for in the PTP software implementation.
15.6.6.4
PTP packets are typically embedded within a UDP payload with special IP source and destination address
and special source and destination ports numbers. Special fields of interest of a PTP packet are listed in
Table
15-180
IP header
IP header
IP header
Ethernet
Layer
15-160.
0
(Offset from
PTP Packet Parsing
MPC8313E PowerQUICC™ II Pro Integrated Processor Family Reference Manual, Rev. 2
Preamble
the SFD)
Octet
Octet
1
12-13
26-29
22
23
0
1
Length/Packet
Time to live
IP Protocol
Source IP Address
IANA defines 4 multicast
address for the PTP packet
Figure 15-140. Ethernet Sampling Points for 1588
0
Table 15-160. PTP Payload Special Fields
1
0
Message Timestamp
Field
1
Start of Frame
Delimiter
Ethernet
0
Point
1
Bit Time
0
1
0x0800
Value
0x00
0x11
1
1
0
ETY-RQPFR[P
RBIFX- choose
SIA-RQPFR[PI
L4P-RQPFR[P
extraction byte
eTSEC filer
an arbitrary
ID=0111]
ID=1011]
D=1101]
0
Start of Frame
PID
First Octet
Following
0
0
0
Freescale Semiconductor
0
Comments
Must be 0
0
UDP
IPv4