MMC2107 Datasheet, PDF (383/618 Pages) –

Freescale Semiconductor, Inc.
Serial Peripheral Interface Module (SPI)
Memory Map and Registers
17.7.6 SPI Pullup and Reduced Drive Register
Address: 0x00cb_0006
Bit 7
6
5
4
3
2
1
Bit 0
Read: 0
Write:
0
0
RSVD5 RDPSP
0
RSVD1 PUPSP
Reset: 0
0
0
0
0
0
0
0
= Writes have no effect and the access terminates without a transfer error exception.
Figure 17-7. SPI Pullup and Reduced Drive Register (SPIPURD)
Read: Anytime
Write: Anytime; writing to unimplemented bits has no effect
RSVD5 and RSVD1 — Reserved
Writing to these read/write bits updates their values but has no effect
on functionality.
RDPSP — SPI Port Reduced Drive Control Bit
1 = Reduced drive capability on SPIPORT bits [7:4]
0 = Full drive enabled on SPIPORT bits [7:4]
PUPSP — SPI Port Pullup Enable Bit
1 = Pullup devices enabled for SPIPORT bits [3:0]
0 = Pullup devices disabled for SPIPORT bits [3:0]
MMC2107 – Rev. 2.0
MOTOROLA
Serial Peripheral Interface Module (SPI)
For More Information On This Product,
Go to: www.freescale.com
Technical Data
383