mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 69
mpc823rg
Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC823RG.pdf
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L1TCLKA
SPIMOSI
SPIMISO
SMRXD1
SMSYN1
SMSYN2
SMTXD1
SDACK1
SDACK2
SIGNAL
BRGO2
SPISEL
SPICLK
BRGO3
I2CSDA
BRGO1
I2CSCL
BRGO2
TOUT2
LCD_A
PB[31]
PB[30]
PB[29]
PB[28]
PB[27]
PB[26]
PB[25]
PB[24]
PB[23]
PB[22]
RXD3
RXD3
CLK3
CLK4
TXD3
TXD3
CTS3
PA[5]
PA[4]
TIN2
TIN4
PIN NUMBER
N14
P15
P14
P12
N11
T15
T14
T11
T10
R6
R9
T6
Table 2-1. Signal Descriptions (Continued)
Freescale Semiconductor, Inc.
For More Information On This Product,
General-Purpose I/O Port A Bit 5—Bit 5 of the general-purpose I/O port A.
CLK3—This input signal is one of the four clock pins that can be used to clock the
serial communication controllers, serial management controllers, and USB.
TIN2—The timer 2 external clock input pin. (except mask base #F98S)
L1TCLKA—The transmit clock for the serial interface time-division multiplex port A.
BRGO2—The output clock of BRG2.
General-Purpose I/O Port A Bit 4—Bit 4 of the general-purpose I/O port A.
CLK4—This input signal is one of the four clock pins that can be used to clock the
serial communication controllers, serial management controllers, and USB.
TOUT2—The timer 2 output pin.
TIN4—The timer 4 external clock pin.
General-Purpose I/O Port B Bit 31—Bit 31 of the general-purpose I/O port B.
SPISEL—The serial peripheral interface slave select input pin.
LCD_A—This is one of the LCD controller’s three extension data bits, which are
used to drive an active LCD panel. When using a 12-bit bus instead of a 9-bit bus,
the LCD_A signal is the least-significant bit of the red 4-bit code. The red portion of
the bus consists of LD[0:2] and LCD_A.
General-Purpose I/O Port B Bit 30—Bit 30 of the general-purpose I/O port B.
SPICLK—The serial peripheral interface output clock when it is configured as a
master or serial peripheral interface input clock when it is configured as a slave.
TXD3—The transmit data output signal for serial communication controller 3. TXD3
has open-drain capability.
General-Purpose I/O Port B Bit 29—Bit 29 of the general-purpose I/O port B.
SPIMOSI—The serial peripheral interface output data when it is configured as a
master or serial peripheral interface input data when it is configured as a slave.
RXD3—The receive data input signal for serial communication controller 3.
General-Purpose I/O Port B Bit 28—Bit 28 of the general-purpose I/O port B.
SPIMISO—The serial peripheral interface input data when it is configured as a
master or serial peripheral interface output data when it is configured as a slave.
BRGO3—The output clock of BRG3.
General-Purpose I/O Port B Bit 27—Bit 27 of the general-purpose I/O port B.
I2CSDA—The I
as an open-drain output.
BRGO1—The output clock of BRG1.
General-Purpose I/O Port B Bit 26—Bit 26 of the general-purpose I/O port B.
I2CSCL—The I
as an open-drain output.
BRGO2—The output clock of BRG2.
General-Purpose I/O Port B Bit 25—Bit 25 of the general-purpose I/O port B.
SMTXD1—The serial management controller 1 transmit data output pin.
TXD3—The transmit data output signal for serial communication controller 3. TXD3
has open-drain capability.
General-Purpose I/O Port B Bit 24—Bit 24 of the general-purpose I/O port B.
SMRXD1—The serial management controller 1 receive data input pin.
RXD3—The receive data input signal for serial communication controller 3.
General-Purpose I/O Port B Bit 23—Bit 23 of the general-purpose I/O port B.
SMSYN1—The serial management controller 1 external sync input pin.
CTS3—The Clear to Send Modem line for serial communication controller 3.
SDACK1—The SDMA acknowledge 1 output pin that is used as a peripheral
interface signal for IDMA emulation.
General-Purpose I/O Port B Bit 22—Bit 22 of the general-purpose I/O port B.
SMSYN2—The serial management controller 2 external sync input pin.
SDACK2—The SDMA acknowledge 2 output pin that is used as a peripheral
interface signal for IDMA emulation.
MPC823 REFERENCE MANUAL
Go to: www.freescale.com
2
2
C serial clock pin. This pin is bidirectional and should be configured
C serial data pin. This pin is bidirectional and should be configured
DESCRIPTION
External Signals
2-9
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