TMPA901CMXBG Toshiba, TMPA901CMXBG Datasheet - Page 235

• Manufacturer Part Number: TMPA901CMXBG
• Description: Microcontrollers (MCU) 32-bit RISC MCU 16kb ARM926EJ 16kb 200Mhz
• Manufacturer: Toshiba

Specifications of TMPA901CMXBG

• Product Summaries: Summary
• Lead Free: Yes
• Rohs Compatible Product(s): Available
• Rom (kbytes): -
• Rom Type: ROMless
• Ram (kbytes): 32
• Number Of Pins: 177
• Package: BGA
• Vcc: 3V
• Tft Lcd Controller: Y
• Touchscreen Controller: Y
• Usb Host Fs With Phy: Y
• Usb Device Hs With Phy: Y
• Sd Host Controller: -
• Cmos Image Sensor Interface: -
• I2s: 1
• Ssp (ch) Spi: 1
• I2mc/sio (ch): 1
• Uart/sio (ch): 2
• External Bus Interface: Y
• Cs/wait Controller (ch): 4
• Dma Controller: 8
• 10-bit Ad Converter: 4
• 12-bit Da Converter: -
• 16-bit Timer / Counter: 6
• Real Time Clock: Y
• Watchdog Timer: Y
• Osc Freq Detect: Y
• Low-power Modes: Y
• Lead Free Status / Rohs Status: Details

b. <stop_mem_clock>
c.
d. <row_bits><column_bits>
Note1: Depending on the SDRAM type, it may not be possible to stop the clock supply to the SDRAM while it is not
Note2: The memory clock stop function and the SDRAM auto Powerdown function cannot be used concurrently. Use
Note: The memory clock stop function and the SDRAM auto Powerdown function cannot be used concurrently.
SDRAM access request occurs again, the clock is automatically restarted.
controller becomes empty, the SDRAM can be placed into Powerdown mode by
automatically disabling CKE after the number of clock cycles specified in the
power_down_prd field. When an SDRAM access request occurs again, CKE is
automatically enabled to exit the Powerdown mode.
<auto_power_down>
These bits set the row and column addresses.
Supported selectable memory is limited by the summation of column address and row
address.
The clock supply to the SDRAM can be stopped while it is not being accessed. When an
When no SDRAM access request is present and the command FIFO of the memory
being accessed. When using this function, be sure to carefully check the specifications of the SDRAM to be
used.
only either of the two.
Use only either of the two.
In case of 32bit bus, less than R+C=25 bits (128Mbytes) then 512Mbytes for 4 banks
In case of 16bit bus, less than R+C=26 bits (128Mbytes) then 512Mbytes for 4 banks
TMPA901CM-234
TMPA901CM
2010-07-29