tmp19a44fda TOSHIBA Semiconductor CORPORATION, tmp19a44fda Datasheet - Page 262

• Manufacturer Part Number: tmp19a44fda
• Description: 32bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

The Chip Selector and Wait Controller TMP19A44 (rev1.3) 9-9
B23CS
(0xFF00_1484)
bit Symbol
Read/Write
After reset
Function
bit Symbol
Read/Write
After reset
Function
bit Symbol
Read/Write
After reset
Function
bit Symbol
Read/Write
After reset
Function
Fig. 9.5 Chip Selector and Wait Controller Registers 2, 3
“0” is read.
Specify the number of dummy cycles
to be inserted.
“0” is read.
Specify the number of dummy cycles
to be inserted.
(CS2 recovery time)
000: Setting prohibited
cycles
001: 1 cycle 101: 6 cycles
010: 2 cycles 110: 8 cycles
011: 3 cycles 111: Setting
prohibited
(CS3 recovery time)
000: Setting prohibited
cycles
001: 1 cycle 101: 6 cycles
010: 2 cycles 110: 8 cycles
011: 3 cycles 111: Setting
15
23
31
prohibited
R
R
7
0
0
0
0
Write “0”.
Write “0”.
B2CSCV
B3CSCV
R/W
R/W
R/W
R/W
14
22
30
0
0
0
6
0
Select
data bus
width
Select
data bus
width
100: 4
100: 4
0: 8bit
1: 16bit
0: 8bit
1: 16bit
B3BUS
B2BUS
R/W
R/W
13
21
29
5
1
0
1
0
Specify the number of waits.
Specify the number of
dummy cycles to be
inserted.
Specify the number of waits.
Specify the number of
dummy cycles to be
inserted.
(automatic WAIT insertion)
0_0000:0WAIT 0_0100:4WAIT 0_1000:8WAIT
0_1100:12WAIT
0_0001:1WAIT 0_0101:5WAIT 0_1001:9WAIT
0_1101:13WAIT
0_0010:2WAIT 0_0110:6WAIT 0_1010:10WAIT
0_1110:14WAIT
0_0011:3WAIT 0_0111:7WAIT 0_1011:11WAIT
0_1111:15WAIT
(External wait input) x=2,4
1_0010: (2+xN) WAIT 1_1001: ( 9+ xN) WAIT
1_0100: (4+ xN) WAIT 1_1011: (11+ xN) WAIT
1_0101: (5+ xN) WAIT
1_0110: (6+ xN) WAIT
1_0111: (7+ xN) WAIT
1_1000: (8+ xN) WAIT
(write, recovery time)
00: Setting prohibited
01: 1 cycle
10: 2 cycles
(automatic WAIT insertion)
0_0000:0WAIT 0_0100:4WAIT 0_1000:8WAIT
0_1100:12WAIT
0_0001:1WAIT 0_0101:5WAIT 0_1001:9WAIT
0_1101:13WAIT
0_0010:2WAIT 0_0110:6WAIT 0_1010:10WAIT
0_1110:14WAIT
0_0011:3WAIT 0_0111:7WAIT 0_1011:11WAIT
0_1111:15WAIT
(External wait input) x=2,4
1_0010: (2+ xN) WAIT 1_1001: ( 9+ xN) WAIT
1_0100: (4+ xN) WAIT 1_1011: (11+ xN) WAIT
1_0101: (5+ xN) WAIT
1_0110: (6+ xN) WAIT
1_0111: (7+ xN) WAIT
1_1000: (8+ xN) WAIT
(write, recovery time)
00: Setting prohibited
01: 1 cycle
10: 2 cycles
11: 4 cycles
1_0011: (3+ xN) WAIT 1_1010: (10+ xN) WAIT
11: 4 cycles
1_0011: (3+ xN) WAIT 1_1010: (10+ xN) WAIT
12
20
28
1
0
1
4
0
B2WCV
B3WCV
R/W
R/W
11
19
27
3
0
0
0
0
Specify the number of
dummy cycles to be
inserted.
Specify the number of
dummy cycles to be
inserted.
1_1100: (12+ xN) WAIT
1_1101: (13+ xN) WAIT
1_1110: (14+ xN) WAIT
1_1111: (15+ xN) WAIT
1_1100: (12+ xN) WAIT
1_1101: (13+ xN) WAIT
1_1110: (14+ xN) WAIT
1_1111: (15+ xN) WAIT
11: 4 cycles
(read, recovery time)
00: Setting
prohibited
01: 1 cycle
10: 2 cycles
(read, recovery time)
00: Setting
prohibited
01: 1 cycle
10: 2 cycles
11: 4 cycles
B3W
R/W
B2W
R/W
10
18
26
2
0
1
0
1
B2RCV
B3RCV
TMP19A44
R/W
R/W
17
25
9
0
0
0
1
0
2010-04-01
0: Disable
1: Enable
Enable or
disable
CS3.
0: Disable
1: Enable
Enable or
disable
CS2
B2E
R/W
B3E
R/W
16
24
0
1
8
0
1
0