Freescale Semiconductor PowerQUICC MPC885 Reference Manual page 344

External Signals
Table 12-1. MPC885/MPC880 Signal Descriptions (continued)
Hard
Name
Reset
PA[11] Hi-Z
RXD4
MII1-TXD0
RMII1-TXDO
PA[10] Hi-Z
MII-TXER
CLK7
TIN4
PA[9] Hi-Z
L1TXDA
RXD3
PA[8] Hi-Z
L1RXDA
TXD3
PA[7] Hi-Z
CLK1
TIN1
L1RCLKA
BRGO1
PA[6] Hi-Z
CLK2
TOUT1
PA[5] Hi-Z
CLK3
TIN2
L1TCLKA
BRGO2
PA[4] Hi-Z
CTS4
MII1-TXD1
RMII1-TXD1
12-14
Number Type
W9 Bidirectional General-Purpose I/O Port A Bit 11—Bit 11 of the general-purpose
(optional: I/O port A
open-drain) RXD4—Receive data input for SCC4
MII1-TXD0—Media-independent interface 1, transmit data 0
RMII1-TXD0—Reduced media-independent interface 1, transmit
data 0.
W17 Bidirectional General-Purpose I/O Port A Bit 10—Bit 10 of the general-purpose
(optional: I/O port A
3
open-drain) MII-TXER- media-independent interface 1, transmit error.
CLK7—One of eight clock inputs that can be used to clock SCCs
and SMCs
TIN4—Timer 4 external clock input
T15 Bidirectional General-Purpose I/O Port A Bit 11—Bit 9 of the general-purpose
(optional: I/O port A
open-drain) L1TXDA—Transmit data output for the serial interface TDMa
RXD3—Receive data input for SCC3
W15 Bidirectional General-Purpose I/O Port A Bit 8—Bit 8 of the general-purpose
(optional: I/O port A
3
open-drain) L1RXDA—Receive data input for the serial interface TDMa
TXD3—Transmit data output for SCC3
V14 Bidirectional General-Purpose I/O Port A Bit 7—Bit 7 of the general-purpose
I/O port A
CLK1—One of eight clock inputs that can be used to clock SCCs
and SMCs
TIN1—Timer 1 external clock
L1RCLKA—Receive clock for the serial interface TDMa
BRGO1—Output clock of BRG1
U13 Bidirectional General-Purpose I/O Port A Bit 6—Bit 6 of the general-purpose
I/O port A.
CLK2—One of eight clock inputs that can be used to clock SCCs
and SMCs. CLK2 can also be used as a clock source for the
BRGs.
TOUT1—Timer 1 output
W13 Bidirectional General-Purpose I/O Port A Bit 5—Bit 5 of the general-purpose
I/O port A.
CLK3—One of eight clock inputs that can be used to clock SCCs
and SMCs
TIN2—Timer 2 external clock input
L1TCLKA—Transmit clock for the serial interface TDMa
BRGO2—Output clock of BRG2
U4 Bidirectional General-Purpose I/O Port A Bit 4—Bit 4 of the general-purpose
I/O port A
CTS4—Clear to send modem line for SCC4
MII1-TXD1—Media-independent interface 1, transmit data 1
RMII1-TXD1—Reduced media-independent interface 1, transmit
data 1
MPC885 PowerQUICC Family Reference Manual, Rev. 2
Description
Freescale Semiconductor