Freescale Semiconductor PowerQUICC MPC885 Reference Manual page 364

External Signals
Table 12-2. MPC875/MPC870 Signal Descriptions (continued)
Hard
Name
Reset
PA[10] Hi-Z
MII-TXER
CLK7
TIN4
PA[7] Hi-Z
CLK1
TIN1
BRGO1
PA[6] Hi-Z
CLK2
TOUT1
PA[4] Hi-Z
CTS4
MII1-TXD1
RMII1-TXD1
PA[3] Hi-Z
MII1-RXER
RMII1-RXER
BRGO3
PA[2] Hi-Z
MII1-RXDV
RMII1-CRS_D
V
TXD4
PA[1] Hi-Z
MII1-RXD0
RMII1 -RXD0
BRGO4
PA[0] Hi-Z
MII1-RXD1
RMII1-RXD1
TOUT4
12-34
Number Type
R12 Bidirectional General-Purpose I/O Port A Bit 10—Bit 10 of the general-purpose
(optional: I/O port A.
3
open-drain) MII-TXD0- 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.
R11 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.
BRGO1—Output clock of BRG1.
P11 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.
P7 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.
R5 Bidirectional General-Purpose I/O Port A Bit 3—Bit 3 of the general-purpose
I/O port A.
MII1-RXER—Media-independent interface 1, receive error.
RMII1-RXER—Reduced media-independent interface 1, receive
error.
BRGO3—Output clock of BRG3.
N6 Bidirectional General-Purpose I/O Port A Bit 2—Bit 2 of the general-purpose
I/O port A
MII1-RXDV—Media-independent interface 1, receive data valid
RMII1-CRS_DV—Reduced MII 1, carrier receive sense or data
valid
TXD4—Transmit data for serial channel 4.
T4 Bidirectional General-Purpose I/O Port A Bit 1—Bit 1 of the general-purpose
I/O port A.
MII1-RXD0 —Media-independent interface 1, receive data 0.
RMII1-RXD0—Reduced media-independent interface 1, receive
data 0.
BRGO4—BRG4 output clock.
P6 Bidirectional General-Purpose I/O Port A Bit 0—Bit 0 of the general-purpose
I/O port A.
MII1-RXD1 —Media-independent interface 1, receive data 1.
RMII1-RXD1—Reduced media-independent interface 1, receive
data 1.
TOUT4—Timer 4 output.
MPC885 PowerQUICC Family Reference Manual, Rev. 2
Description
Freescale Semiconductor