MMC2107 - Freescale Semiconductor

Chip Select Module
Freescale Semiconductor, Inc.
20.5 Signals
Table 20-1 provides an overview of the signals described here.
Table 20-1. Signal Properties
Name Function Reset State Pullup
CS0 Chip select 0 pin 1 Active
CS1 Chip select 1 pin 1 Active
CS2 Chip select 2 pin 1 Active
nc...
Freescale Semiconductor, I
20.6 Memory Map and Registers
20.6.1 Memory Map
CS3 Chip select 3 pin 1 Active
CS[3:0] are chip-select outputs. CS[3:0] are available for
general-purpose input/output (I/O) when not configured for chip select
operation.
Table 20-2 shows the chip select memory map. The registers are
described in 20.6.2 Registers.
Table 20-2. Chip Select Memory Map
Address Bits 31–16 Bits 15–0 Access (1), (2)
0x00c2_0000 CSCR0 — chip select control register 0 CSCR1 — chip select control register 1 S
0x00c2_0004 CSCR2 — chip select control register 2 CSCR3 — chip select control register 3 S
1. User mode accesses to supervisor-only address locations have no effect and result in a cycle termination transfer error.
2. S = CPU supervisor mode access only.
Technical Data MMC2107 – Rev. 2.0
524 Chip Select Module MOTOROLA
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