MPC8313CZQADDC Freescale Semiconductor, MPC8313CZQADDC Datasheet - Page 491
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MPC8313CZQADDC
Manufacturer Part Number
MPC8313CZQADDC
Description
Microprocessors - MPU 8313 REV2.2 PB NO EN EXT
Manufacturer
Freescale Semiconductor
Datasheet
1.MPC8313CZQADDC.pdf
(1214 pages)
Specifications of MPC8313CZQADDC
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
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MPC8313CZQADDC
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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10.4.1.3
The three memory controllers in the eLBC generate an internal transfer acknowledge signal, TA, to allow
data on LAD to be either sampled (for reads) or changed (on writes). The data sampling/data change
always occurs at the end of the bus cycle in which the eLBC asserts TA internally. In eLBC debug mode,
TA is also visible externally on the LDVAL pin. The GPCM controller automatically generates TA
according to the timing parameters programmed for them in the option and mode registers; FCM generates
TA whenever data read and write instructions are executed out of register FIR; a UPM generates TA only
when a UPM pattern has the UTA RAM word bit set.
Note that TA and LALE are never asserted together, and that for the duration of LALE, LCSn (or any other
control signal) remains negated or frozen.
Freescale Semiconductor
LA[21:25]
LCLK
LALE
LCS n
LWE
LAD[0:7]
LAD[8:31]
Figure 10-30. Example of 8-Bit GPCM Writing 32 Bytes to Address 0x5420 (LCRR[PBYP] = 0)
Data Transfer Acknowledge (TA)
MPC8313E PowerQUICC™ II Pro Integrated Processor Family Reference Manual, Rev. 2
Note: All address and signal values are shown in hexadecimal.
00
54
20
Figure 10-31. Basic eLBC Bus Cycle with LALE, TA, and LCS n
00
D(B
D(Bk) = k
LCLK
LCS n
0
LALE
)
LAD
TA
00
54
21
th
of 32 data bytes
01
D(B
Address
1
)
00
54
22
02
D(B
2
)
Figure 10-31
Data
03
00
54
23
1C
54
3D
shows LALE, TA (internal), and LCSn.
00
1D
D(B
29
)
54
3E
00
Enhanced Local Bus Controller
1E
D(B
30
)
00
54
3F
1F
D(B
31
)
10-43
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