mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 414
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mpc823rg
Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC823RG.pdf
(1348 pages)
- Current page: 414 of 1348
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Memory Controller
15.5.4.2.4 General-Purpose Signals. The general-purpose (GPL[1:5]) signals have two
bits in the RAM word that define the logical value of the signal to be changed at the falling
edge of GCLK1 or GCLK2. GPL0 has two 2-bit fields that perform the same function with
additional phase control. GPL5 and GPL0 offer the following enhancements beyond the
other GPLx signals:
CLKOUT/GCLK2
GCLK1
GPL5
TS
CLOCK PHASE
• GPL5 can be controlled during phase 4 of the previous clock cycle according to the
• GPL0 can be controlled by an address line that is specified in the G0CLx field of the
value of G5LS.
MxMR. To use this feature, you must set the G0H and G0L fields in the RAM word. For
example, if you have a SIMM with multiple banks, this address line can be used to
switch between banks.
VALUE CONTROLLED
BY G5LS
Freescale Semiconductor, Inc.
4
For More Information On This Product,
Figure 15-30. Early GPL5 Control
MPC823 REFERENCE MANUAL
1
Go to: www.freescale.com
RAM WORD 1
2
3
BY G5T4 AND G5T3 ON UPM
VALUE CONTROLLED
4
1
RAM WORD 2
MOTOROLA
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