tmp1940cyaf TOSHIBA Semiconductor CORPORATION, tmp1940cyaf Datasheet - Page 326

• Manufacturer Part Number: tmp1940cyaf
• Description: 32-bit Tx System Risc Tx19 Family
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Chip Select/Wait Controller (4 of 4)
Mnemonic Name Address
BEXCS
B23CS
Register
Register
Control
Control
Select/
Select/
Chip
Wait
Chip
Wait
E484H
E488H
FFFF
FFFF
Chip select output
waveform
00: ROM/SRAM
Don’t use any other
value.
Chip select output
waveform
00: ROM/SRAM
Don’t use any other
value.
Chip select output
waveform
00: ROM/SRAM
Don’t use any other
value.
B3OM
15
23
31
15
W
7
7
0
0
0
BEXOM
B2OM
W
W
TMP1940CYAF-284
14
22
30
14
6
6
0
0
0
13
21
29
13
5
5
Data bus
width
0: 16-bit
1: 8-bit
Data bus
width
0: 16-bit
1: 8-bit
Data bus
width
0: 16-bit
1: 8-bit
BEXBUS
B2BUS
B3BUS
12
20
28
12
4
4
0
0
0
Number of wait-state cycles
0000: No wait state,
0010: 2 wait states,
0100: 4 wait states,
0110: 6 wait states,
1111: (1 N) wait states, as determined by the WAIT
Don’t use any other value.
CS2 enable
0: Disable
1: Enable
Number of wait-state cycles
0000: No wait state,
0010: 2 wait states,
0100: 4 wait states,
0110: 6 wait states,
1111: (1 N) wait states, as determined by the WAIT
Don’t use any other value.
CS3 enable
0: Disable
1: Enable
Sets the number of wait cycles
0000–0111: 0–7 wait states
1111: (1 N) wait states, as determined by the WAIT
Don’t use any other value.
B2E
B3E
19
27
11
11
W
W
3
3
0
1
0
0
0
pin
pin
pin
CS2 space
select
0: Whole
1: CS
TMP1940CYAF
4-Gbyte
space
space
B2M
10
18
26
10
W
W
W
W
2
2
1
0
1
1
BEXW
B2W
B3W
0001: 1 wait state
0011: 3 wait states
0101: 5 wait states
0111: 7 wait states
0001: 1 wait state
0011: 3 wait states
0101: 5 wait states
0111: 7 wait states
Number of dummy cycles
(Read recovery time)
00: 2 dummy cycles
01: 1 dummy cycle
10: No dummy cycle
11: Don’t use.
Number of dummy cycles
(Read recovery time)
00: 2 dummy cycles
01: 1 dummy cycle
10: No dummy cycle
11: Don’t use.
Number of dummy cycles
(Read recovery time)
00: 2 dummy cycles
01: 1 dummy cycle
10: No dummy cycle
11: Don’t use.
17
25
1
9
1
9
0
0
0
0
0
0
BEXRCV
B2RCV
B3RCV
W
W
W
16
24
0
8
0
8
1
0
1
0
1
0