Freescale Semiconductor MCF5480 - Manual (Page 395)

Memory Map/Register Definition
MCF548x Reference Manual, Rev. 3
Freescale Semiconductor 15-23
15.3.2.7 DMA Pin Assignment Register (PAR_DMA)
The PAR_DMA register controls the function of the four MCF548x DMA pins.
The PAR_DMA register is read/write
15.3.2.8 FEC/I2C/IRQ Pin Assignment Register (PAR_FECI2CIRQ)
The PAR_FECI2CIRQ register controls the functions of the FEC0, FEC1, I2C, and IRQ pins. The
PAR_FECI2CIRQ register is read/write
Table 15-25. PAR_FBCS Field Descriptions
Bits Name Description
7–6 — Reserved, should be cleared.
5–1 PAR_CSn The PAR_CSn bit configures the FBCSn pin for its primary function or general purpose I/O.
0 FBCSn pin configured for general purpose I/O (PFBCS[5:1])
1 FBCSn pin configured for FlexBus FBCSn function
0 — Reserved, should be cleared.
7 6 5 4 3 2 1 0
R PAR_DACK1 PAR_DACK0 PAR_DREQ1 PAR_DREQ0
W
Reset 0 0 0 0 0 0 0 0
Reg
Addr
MBAR + 0xA43 (PAR_DMA)
Figure 15-24. DMA Pin Assignment Register (PAR_DMA)
Table 15-26. PAR_DMA Field Descriptions
Bits Name Description
7–6 PAR_DACK1 The PAR_DACK1 field configures the DACK1 pin for its primary functions or general purpose I/O.
0X DACK1 pin configured for general purpose I/O (PDMA3)
10 DACK1 pin configured for GP Timer TOUT1 function
11 DACK1 pin configured for DACK1 function
5–4 PAR_DACK0 The PAR_DACK0 field configures the DACK0 pin for its primary functions or general purpose I/O.
0X DACK0 pin configured for general purpose I/O (PDMA2)
10 DACK0 pin configured for GP Timer TOUT0 function
11 DACK0 pin configured for DACK0 function
3–2 PAR_DREQ1 The PAR_DREQ1 field configures the DREQ1 pin for its primary functions or general purpose I/O.
00 = DREQ1 pin configured for general purpose I/O (PDMA1)
01 = DREQ1 pin configured for IRQ1 function
10 = DREQ1 pin configured for GP Timer TIN1 function
11 = DREQ1 pin configured for DREQ1 function
1–0 PAR_DREQ0 The PAR_DREQ0 field configures the DREQ0 pin for its primary functions or general purpose I/O.
0X = DREQ0 pin configured for general purpose I/O (PDMA0)
10 = DREQ0 pin configured for GP Timer TIN0 function
11 = DREQ0 pin configured for DREQ0 function