TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 244

• Manufacturer Part Number: TX4939XBG-400
• Manufacturer: Toshiba

Specifications of TX4939XBG-400

• Cpu Core: TX49/H4 90nm
• Clock Mhz/max Mips: 400/520
• Inst./data Cache: 32KB (4 Way)/32KB (4 Way)
• Tlb: x
• 1cycle Mac: x
• Volts (v): 1.25/2.5/3.3
• Peripherals: DDR, NAND, ATA, ETHERNET, SECURITY, FPU, MMU, SPI, I2S, I2C, PCI, VIDEO, UART, TIMER, RTC
• Companion Chip: TC86C001FG
• Package: PGBA456

NDFMC
10.6.3. Data Write Cycles
Rev. 3.1 November 1, 2005
SADB[15:0]
SADB[15:0]
GBUSCLK
GBUSCLK
NDCS[1:0]
NDCS[1:0]
SA [4:0]
SA [4:0]
NDWE*
NDWE*
NDCLE
NDCLE
ND_LA
NDALE
ND_LA
NDALE
NDRE*
NDCE*
NDRE*
NDCE*
SA[5]
SA[5]
BG
BG
0
0
SU W1 H1 HD Idle BG
SU W1 H1 HD Idle BG
1
1
2
2
UPDATE
UPDATE
3
3
4
4
5
5
6
6
SU W1 H1 HD Idle BG SU W1 H1 HD Idle BG SU W1 H1 HD Idle BG SU W1 H1 HD Idle BG SU W1 H1 HD Idle BG SU W1 H1 HD
SU W1 H1 HD Idle BG SU W1 H1 HD Idle BG SU W1 H1 HD Idle BG SU W1 H1 HD Idle BG SU W1 H1 HD Idle BG SU W1 H1 HD
7
7
UPDATE
8
8
Write Sequence (SPW=1, HOLD=1) Part 1
WRITE
Write Sequence (SPW=1, HOLD=1) Part 2
0x80
9
9
10
10
11 12 13 14 15 16 17 18
11 12 13 14 15 16 17 18
Figure 10-17 Data Write Cycles
UPDATE
WRITE
D0
10-20
19
19
valid
valid
20 21 22 23 24 25 26 27 28 29
20 21 22 23 24 25 26 27 28 29
WRITE
WRITE
A[7:0]
D1
A[16:9]
WRITE
WRITE
D2
Toshiba RISC Processor
30 31 32 33 34 35 36 37 38 39 40
30 31 32 33 34 35 36 37 38 39 40
A[24:17]
WRITE
WRITE
D3
TX4939
UPDATE
WRITE
D4
Rev 2.14
Rev 2.14
10
10