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32186 Datasheet(PDF) 807 Page - Renesas Technology Corp

Part # 32186
Description  MCU
PDF  1032 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

32186 Datasheet(HTML) 807 Page - Renesas Technology Corp

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16
NON-BREAK DEBUG (NBD)
16-9
32185/32186 Group Hardware Manual
Rev.1.10 REJ09B0235-0110 May 15, 07
16.5.2 NBDD Data Format
The following describes the content of each packet/field which are input to or output from the NBDD3–NBDD0 pins.
(1) Command packet (input)
Table 16.5.1 Bit Assignments of a Command Packet
1) Extension field
Bit Name
Function
Content
aux3
Reserved for future extension
Set to "0"
aux2
Reserved for future extension
Set to "0"
aux1
Reserved for future extension
Set to "0"
aux0
Reserved for future extension
Set to "0"
Note 1: If these bits are set otherwise, device operation cannot be guaranteed.
2) Control field
Bit Name
Function
Content
SIZ1, SIZ0
Specify access size
SIZ1 SIZ0
0
0
8-bit (Note 1)
0
1
16-bit
1
0
32-bit
1
1
Settings inhibited
R/W
Specify read/write
0: Read
1: Write
I/T
Specify access space
0: Access NBD space
1: Access CPU space
Note 1: When the NBD space access is selected (I/T = "0"), only 8-bit access is accepted. If these bits are set otherwise, device
operation cannot be guaranteed.
16.5 RAM Monitor Function
During read
During
8-bit write
During
16-bit write
During
32-bit write
Bit arrangement
NBDD3 NBDD2 NBDD1
NBDD0
During read
A28
A29
A30
A31
A24
A25
A26
A27
A20
A21
A22
A23
A12
A13
A14
A15
A8
A9
A10
A11
A4
A5
A6
A7
A0
A1
A2
A3
D28
D29
D30
D31
D24
D25
D26
D27
D20
D21
D22
D23
D16
D17
D18
D19
D12
D13
D14
D15
D8
D9
D10
D11
D4
D5
D6
D7
D0
D1
D2
D3
During write
Input
order
First
Last
aux3
aux2
aux1
aux0
Extension field
SIZ1
SIZ0
R/W
I/T
Control field
A16
A17
A18
A19
Address field
Write data
field
Field name
When accesing NBD space
When accesing CPU space
√√
√
√
-
-
√√
√
√
-
-
√√
√
√
-
-
√√
√
√
-
-
√√
√
√
√√
√√
√
√
√√
√√
√
√
√√
-
-
-
√
-
-
-
-
-
√
-
-
-
-
-
√
-
-
-
-
-
√
-
-
-
-
√√
-
-
-
-
√√
-
-
-
√√
√
-
√
-
√√
√
-
√
√√
√
√
√√
√√
√
√
√√
√√
√
√
-
-
√: Necessary, -: Unnecessary



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