tmp19a61f10xbg TOSHIBA Semiconductor CORPORATION, tmp19a61f10xbg Datasheet - Page 267

• Manufacturer Part Number: tmp19a61f10xbg
• Description: 32-bit Tx System Risc Tx19 Family
• Manufacturer: TOSHIBA Semiconductor CORPORATION

内部システムクロック
DREQn
DACKn
A [23:0]
D [15:0]
RD
WR
HWR
CSn
R／W
内部システムクロック
DREQn
DACKn
A [23:0]
D [15:0]
RD
WR
HWR
CSn
R／W
Internal system
clock
Internal system
clock
•
•
Fig. 10.25 shows one timing cycle in which 16-bit data is transferred once from internal RAM
to external memory (16-bit width).
Fig. 10.26 shows one timing cycle in which 16-bit data is transferred once from external
memory (16-bit width) to internal RAM.
Data transfer from internal RAM to external memory (separate bus, 5-wait insertion, edge
Data transfer from external memory to internal RAM (separate bus, 5-wait insertion, edge
mode)
mode)
Fig. 10.25 Edge Mode (from Internal RAM to External Memory)
Fig. 10.26 Edge Mode (from External Memory Internal RAM)
（7+α）クロック
(7+α) clock
(7+α) clock
（7+α）クロック
TMP19A61 (rev1.0)10-266
5 waits
5 waits
5ウェイト
5ウェイト
Add
Add
Data
Data
TMP19A61