TMP92CF26AXBG Toshiba, TMP92CF26AXBG Datasheet - Page 238

• Manufacturer Part Number: TMP92CF26AXBG
• Description: Microcontrollers (MCU) TLCS-900/H1 ROMLESS 144KB RAM
• Manufacturer: Toshiba

Specifications of TMP92CF26AXBG

• Processor Series: TLCS-900
• Core: 900/H
• Data Bus Width: 16 bit
• Program Memory Type: ROM
• Program Memory Size: 8 KB
• Data Ram Size: 144 KB
• Interface Type: I2C, I2S, UART, USB
• Maximum Clock Frequency: 80 MHz
• Number Of Programmable I/os: 136
• Number Of Timers: 10
• Maximum Operating Temperature: + 50 C
• Mounting Style: SMD/SMT
• Package / Case: FBGA-228
• Development Tools By Supplier: BM1040R0A, BM1055R0B, SW96CN0-ZCC, SW00MN0-ZCC
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit, 6 Channel
• Lead Free Status / Rohs Status: Details

SDLUDQM
SDLLDQM
(7) SDRAM initialization sequence
SDCKE
SDCLK
SDRAS
SDCAS
A15-A0
SDWE
SDCS
SDRAM.
commands are issued, the CPU operation (instruction fetch, execution) is halted. Before
executing the initialization sequence, appropriate port settings must be made to enable the
SDRAM control signals and address signals (A0 to A15).
to “000”.
A10
After reset release, the following sequence of commands can be executed to initialize the
The above commands are issued by setting SDCMM<SCMM2:0> to “001”. While these
After the initialization sequence is completed, SDCMM<SCMM2:0> is automatically cleared
Precharge All command
Eight Auto Refresh commands
Mode Register Set command
Precharge All
627
Auto Refresh
Figure3.10.9 Initialization Sequence Timing
Auto Refresh
92CF26A-237
227
Auto Refresh
Eight Auto Refresh commands
Auto Refresh
Auto Refresh
TMP92CF26A
2007-11-21
Mode Register
Set