External Bus Interface Registers - Fujitsu FR60 Hardware Manual

32-bit microcontroller mb91301 series

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External Bus Interface Registers

This section explains the registers used in the external bus interface.

■ Register Types

The following registers are used by the external bus interface:

Area select registers (ASR0 to ASR7)

Area configuration registers (ACR0 to ACR7)

Area wait registers (AWR0 to AWR7)

Memory configuration register (MCRA for SDRAM/FCRAM auto-precharge OFF mode)

Memory configuration register (MCRB for FCRAM auto-precharge ON mode)

I/O wait registers for DMAC (IOWR0, IOWR1)

Chip select enable register (CSER)

Cache enable register (CHER)

Pin/timing control register (TCR)

Refresh control register (RCR)

CHAPTER 4 EXTERNAL BUS INTERFACE