GDC21D601 View Datasheet(PDF) - Hyundai Micro Electronics

Part Name

Description

Manufacturer

GDC21D601

32-Bit RISC MCU

Hyundai Micro Electronics 

GDC21D601

Static Memory Controller Registers(@0xFFFF F000) -- Continued

ABBREVIATION

MEMCFG2

MEMCFG3

MEMCFG4

ADDRESS

0xFFFFEC04

0xFFFFEC08

0xFFFFEC0C

DESCRIPTIONS

Memory Configuration Register 2

NCS3 area control

Bit 31-30: Reserved

Bit 29: EXPRDY polarity (0:Active High)

Bit 28: Control signal type

0/1=ARM type / Motorola type

Bit 27: FlashON –Reserved

Bit 26: Expansion clock Enable

Bit 25-24: Mem width

00: 32-bit memory

01: 16-bit memory

10: 8-bit memory

11: Reserved

Bit 23: Burst mode Enable – Reserved

Bit 22-20: Burst wait cycle –Reserved

Bit 19-16: Access wait cycle(1~16cycles)

0000(1 cycle) ~ 1111(16 cycles)

NCS2 area control

Bit 15-14: Reserved

Bit 13: EXPRDY polarity (0:Active High)

Bit 12: Control signal type

0/1=ARM type / Motorola type:

Bit 11: FlashON –Reserved

Bit 10 : Expansion clock Enable

Bit 9-8: Mem width

00: 32-bit memory

01: 16-bit memory

10: 8-bit memory

11: Reserved

Bit 7: Burst mode Enable – Reserved

Bit 6-4: Burst wait cycle –Reserved

Bit 3-0: Access wait cycle(1~16cycles)

0000(1 cycle) ~ 1111(16 cycles)

Memory Configuration Register 3

NCS4,3 area controls

Memory Configuration Register 4

NCS6,5 area controls

R/W INITIAL VALUE

R/W 32’h0000000

0

Default

1 cycle

Default

1 cycle

R/W 32’h0000000

0

R/W 32’h0000000

0

175

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