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(d) SIZ0, SIZ1: Access data size specification
SIZ1
0
0
1
1
Notes 1.
2.
(3) Flag sense packet
NBD Bus Line
1st
RFLG 0: Not Ready
1: Ready
(4) Data packet
The data packet data size is the data size specified by SIZ1 and SIZ0 in a command packet (8, 16, or 32
bits).
NBD Bus Line
1st
2nd
3rd
4th
5th
6th
7th
8th
CHAPTER 12 NBD FUNCTION (
SIZ0
Target Space Access
Note 1
0
8-bit length
Note 1
1
16-bit length
0
32-bit length
Note 2
1
Setting prohibited
Can be set only on a read.
If set on a write, RAM data will be lost.
A write is invalid and read data is undefined in cases where "Setting prohibited" is
specified.
AD3_DBG
0
AD3_DBG
D3
D7
D11
D15
D19
D23
D27
D31
User's Manual U14492EJ5V0UD
µ
PD70F3116)
NBD Space Access
8-bit length
Note 2
Setting prohibited
AD2_DBG
AD1_DBG
AD0_DBG
0
0
AD2_DBG
AD1_DBG
AD0_DBG
D2
D1
D6
D5
D10
D9
D14
D13
D18
D17
D22
D21
D26
D25
D30
D29
RFLG
D0
D4
D8
D12
D16
D20
D24
D28
629
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