AT697F datasheet(91/155 Pages) ATMEL

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AT697F ADVANCE INFORMATION

7703C–AERO–6/09

System Registers

Table 54. Product Configuration Register - PCR

Address = 0x80000024

wtpnb[2:0]

nwindows[4:0]

icsz[2:0]

ilsz[2:0]

dcsz[2:0]

dlsz[1:0]

fpu[1:0]

pci[1:0] wprt[1:0]

r/w

100

00111

100

Bit Number

Mnemonic

Description

dsu

Debug Support Unit present

“0” = disabled

“1” = present

sdrctrl

SDRAM controller present

“0” = disabled

“1” = present

28..26

wtpnt[2:0]

Number of implemented watchpoints (0 - 4)

imac

UMAC/SMAC instruction implemented

24..20

nwindows[4:0]

Number of register windows.

The implemented number of SPARC register windows - 1

19..17

icsz[2:0]

Instruction cache size.

The size (in Kbytes) of the instruction cache.

Cache size = 2^(icsz).

16..15

ilsz[2:0]

Instruction cache line size.

The line size (in 32-bit words) of each line.

Line size = 2^(ilsz).

14..12

dcsz[2:0]

Data cache size.

The size (in kbytes) of the data cache.

Cache size = 2^(dcsz).

11..10

dlsz[1:0]

Data cache line size.

The line size (in 32-bit words) of each line.

Line size = 2^(dlsz).

divinst

UDIV/SDIV instruction implemented

mulinst

UMUL/SMUL instruction implemented

memstat

Memory status and failing address register present

5..4

fpu[1:0]

FPU type

3..2

pci[1:0]

PCI core type

1..0

wprt[1:0]

Write protection type

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