mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 71

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

L1RSYNCA
L1TSYNCA
SDACK1
LCD_AC
SIGNAL
BLANK
PD[15]
PD[14]
PD[13]
PD[12]
PD[11]
PD[10]
FIELD
PC[5]
CTS3
PC[4]
PD[9]
PD[8]
PD[7]
PD[6]
CD3
VD7
VD6
VD5
VD4
VD3
VD2
VD1
VD0
LOE
LD8
LD7
LD6
LD5
LD4
LD3
LD2
LD1
LD0
PIN NUMBER
P6
R4
P5
R3
N5
P4
R2
R1
T4
T3
T2
T1
Table 2-1. Signal Descriptions (Continued)
Freescale Semiconductor, Inc.
For More Information On This Product,
General-Purpose I/O Port C Bit 5—Bit 5 of the general-purpose I/O port C.
L1TSYNCA—The transmit sync input for the serial interface time-division multiplex
port A.
SDACK1—The SDMA acknowledge 1output pin that is used as a peripheral
interface signal for IDMA emulation.
CTS3—The Clear to Send Modem line for serial communication controller 3.
General-Purpose I/O Port C Bit 4—Bit 4 of the general-purpose I/O port C.
L1RSYNCA—The receive sync input for the serial interface time-division multiplex
port A.
CD3—The Carrier Detect Modem line for serial communication controller 3.
General-Purpose I/O Port D Bit 15—Bit 15 of the general-purpose I/O port D.
LD8—One of the 12 data bus bits used to drive the LCD panel.
VD7—One of the data bus bits of the video controller used for driving the video
encoder.
General-Purpose I/O Port D Bit 14—Bit 14 of the general-purpose I/O port D.
LD7—One of the 12 data bus bits used to drive the LCD panel.
VD6—One of the data bus bits of the video controller used for driving the video
encoder.
General-Purpose I/O Port D Bit 13—Bit 13 of the general-purpose I/O port D.
LD6—One of the 12 data bus bits used to drive the LCD panel.
VD5—One of the data bus bits of the video controller used for driving the video
encoder.
General-Purpose I/O Port D Bit 12—Bit 12 of the general-purpose I/O port D.
LD5—One of the 12 data bus bits used to drive the LCD panel.
VD4—One of the data bus bits of the video controller used for driving the video
encoder.
General-Purpose I/O Port D Bit 11—Bit 11 of the general-purpose I/O port D.
LD4—One of the 12 data bus bits used to drive the LCD panel.
VD3—One of the data bus bits of the video controller used for driving the video
encoder.
General-Purpose I/O Port D Bit 10—Bit 10 of the general-purpose I/O port D.
LD3—One of the 12 data bus bits used to drive the LCD panel.
VD2—One of the data bus bits of the video controller used for driving the video
encoder.
General-Purpose I/O Port D Bit 9—Bit 9 of the general-purpose I/O port D.
LD2—One of the 12 data bus bits used to drive the LCD panel.
VD1—One of the data bus bits of the video controller used for driving the video
encoder.
General-Purpose I/O Port D Bit 8—Bit 8 of the general-purpose I/O port D.
LD1—One of the 12 data bus bits used to drive the LCD panel.
VD0—One of the data bus bits of the video controller used for driving the video
encoder.
General-Purpose I/O Port D Bit 7—Bit 7 of the general-purpose I/O port D.
LD0—One of the 12 data bus bits used to drive the LCD panel.
FIELD—The line the video controller uses to signal which of the two fields is the
current one.
General-Purpose I/O Port D Bit 6—Bit 6 of the general-purpose I/O port D.
LCD_AC—This output signal from the LCD controller toggles once every
programmable number of frames. It is used with passive panels.
LOE—The output enable signal that is used with TFT panels.
BLANK—The video controller uses this signal to let the video encoder know that the
current cycle is a blank type.
MPC823 REFERENCE MANUAL
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DESCRIPTION
External Signals
2-11