Freescale Semiconductor MCF54455 Reference Manual page 47

Signal Descriptions
Table 2-1. Special-Case Default Signal Functionality (continued)
Signal Name GPIO
RESET —
RSTOUT —
EXTAL/PCI_CLK —
XTAL —
BOOTMOD[1:0] —
FB_AD[31:24] PFBADH[7:0]
FB_AD[23:16] PFBADMH[7:0]
FB_AD[15:8] PFBADML[7:0]
FB_AD[7:0] PFBADL[7:0]
FB_BE/BWE[3:2] PBE[3:2]
FB_BE/BWE[1:0] PBE[1:0]
2-2
Pin 256 MAPBGA
FB_OE
FB_R/W
FB_TA
FB_TS
PCI_GNT[3:0] GPIO
PCI_REQ[3:0] GPIO
IRQ1 GPIO
ATA_RESET GPIO
Table 2-2. MCF5445x Signal Information and Muxing
Alternate 1
—
—
—
—
Mode Selection
—
4
FB_D[31:24]
4
FB_D[23:16]
4
FB_D[15:8]
4
FB_D[7:0]
FB_TSIZ[1:0]
—
360 TEPBGA
FB_OE
FB_R/W
FB_TA
FB_TS
PCI_GNT[3:0]
PCI_REQ[3:0]
PCI_INTA and
configured as an agent.
ATA reset
Alternate 2
Reset
— U I
— — O
Clock
— — I
3
— U O
— — I
FlexBus
— — I/O
— — I/O
— —
I/O
— — I/O
— — O
— — O
MCF54452
MCF54450 MCF54453
MCF54451 MCF54454
256 MAPBGA MCF54455
360 TEPBGA
EVDD L4 Y18
EVDD M15 B17
EVDD M16 A16
EVDD L16 A17
EVDD M5, M7 AB17, AB21
EVDD A14, A13, D12, J2, K4, J1, K1–3,
C12, B12, A12, L1, L4
D11, C11
EVDD B11, A11, D10, L2, L3, M1–4,
C10, B10, A10, N1–2
D9, C9
EVDD B9, A9, D8, C8, P1–2, R1–3, P4,
B8, A8, D7, C7 T1–2
EVDD B7, A7, D6, C6, T3–4, U1–3,
B6, A6, D5, C5 V1–2, W1
EVDD B5, A5 Y1, W2
EVDD B4, A4 W3, Y2
Freescale Semiconductor