EP7209 Datasheet, PDF (70/128 Pages) Cirrus Logic – Ultra-Low-Power Audio Decoder System-on-Chip

EP7209
Bus Width Field BOOTBIT1
00
0
01
0
10
0
11
0
00
0
01
0
10
0
11
0
00
1
01
1
10
1
11
1
BOOTBIT0 Expansion Transfer Mode
0
32-bit wide bus access
0
16-bit wide bus access
0
8-bit wide bus access
0
Reserved
1
8-bit wide bus access
1
Reserved
1
32-bit wide bus access
1
16-bit wide bus access
0
16-bit wide bus access
0
32-bit wide bus access
0
Reserved
0
8-bit wide bus access
Table 35. Values of the Bus Width Field
Port E bits 1,0 during
NPOR reset
Low, Low
Low, Low
Low, Low
Low, Low
Low, High
Low, High
Low, High
Low, High
High, Low
High, Low
High, Low
High, Low
Bit 3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Value
00
01
10
11
No. of Wait States
Random
4
3
2
1
No. of Wait States
Sequential
3
2
1
0
Table 36. Values of the Wait State Field at 13 MHz and 18 MHz
Bit 2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Bit 1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Bit 0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Wait States
Random
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
Table 37. Values of the Wait State Field at 36 MHz
Wait States
Sequential
3
3
3
3
2
2
2
2
1
1
1
1
0
0
0
0
70
DS453PP2