TMPA901CMXBG Toshiba, TMPA901CMXBG Datasheet - Page 286

• 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

Note 1: Valid data that use the DMAC and ECC cannot be read continuously. After valid data has been read, data
Note 2: Immediately after ECC is read from the NAND-Flash memory, accesses (read/write) to the NAND-Flash
control activation of the NDWEn pin. This is a protective register to prevent the
NDWEn pin from being activated inadvertently for the NAND-Flash memory.
Reed-Solomon codes. These pins are used to control the pins of the NAND-Flash
memory.
<ECCRST>), this bit must have been enabled (1).
transfer should be stopped once to change the <RSECGW> bit from 0 to 1 before ECC is read.
memory or error bit calculation cannot be performed for a duration of 20 system clocks that is used for internal
processing. Wait processing or other by software is needed.
generated from the ECC for written data and the ECC for read data Writing 1 to
<RSESTA> starts this calculation.
are used, this bit should be set to 0.
reading the valid data part and reading the ECC should be managed separately by
software.
To read the ECC written in the redundant area of the NAND-Flash, set <RSECGW> to
1 (Enable).
c. <RSESTA>
d. <RSECGW>
e. <WE>
f. <ALE>, <CLE>, <CE0>, <CE1>
g. <ECCE>
The <WE> bit is used for both Hamming and Reed-Solomon codes. This bit is used to
The <ALE>, <CLE>, <CE0> and <CE1> bits are used for both Hamming and
The <ECCE> bit is used for both Hamming and Reed-Solomon codes.
This bit is used to control the ECC circuit. To reset the ECC (to write 1 to
The <RSESTA> bit is used only for Reed-Solomon codes.
The error address and error bit position are calculated using an intermediate code
The <RSECGW> bit is used only for Reed-Solomon codes. When Hamming codes
Since the valid data part and the ECC are processed differently in this circuit,
To read valid data from the NAND-Flash memory, set <RSECGW> to 0 (Disable).
TMPA901CM- 285
TMPA901CM
2010-07-29