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NuMicro® NUC029LEE/NUC029SEE
32-bit Arm
®
Cortex
®
-M0 Microcontroller
Aug, 2018
Page
172
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497
Rev 1.00
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6.5.6 Register Description
External Bus Interface General Control Register (EBICON)
Register
Offset
R/W
Description
Reset Value
EBICON
0x00
R/W
External Bus Interface General Control Register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
ExttALE
15
14
13
12
11
10
9
8
Reserved
MCLKDIV
7
6
5
4
3
2
1
0
Reserved
ExtBW16
ExtEN
Bits
Description
[31:19]
Reserved
Reserved
[18:16]
ExttALE
Expand Time of ALE
This field is used for control the ALE pulse width (tALE) for latch the address
tALE = (1)*MCLK
[15:11]
Reserved
Reserved
[10:8]
MCLKDIV
External Output Clock Divider
The frequency of EBI output clock (MCLK) is controlled by MCLKDIV as follows table:
MCLKDIV
Output Clock (MCLK)
000
HCLK/1
001
HCLK/2
010
HCLK/4
011
HCLK/8
100
HCLK/16
101
HCLK/32
Others
default
Note:
Default value of output clock is HCLK/1
[7:2]
Reserved
Reserved
[1]
ExtBW16
EBI Data Width 16-bit/8-bit