TMPA901CMXBG Toshiba, TMPA901CMXBG Datasheet - Page 185

• 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

DMCSCLK
DMCSDQMx
DMCRASn
DMCCASn
DMCSCSn
DMCWEn
[31:15]
[14:0]
[Description]
a. <refresh_prd>
Bit
5.
The value of the refresh counter decrements from the value set in the dmc_refresh_prd_3
(the number of Memory clocks), and when the counter reaches zero, auto-refresh requests
are occured to external memory.
dmc_refresh_prd_3 (DMC Refresh Period Register)
refresh_prd
Symbol
Bit
Figure 3.10.3 Auto-refresh Cycles Operation Example
R/W
Type
TMPA901CM-184
Undefined
0x0A60
Reset
Value
Auto-refresh cycles
Auto-refresh
Auto-refresh
→
Read as undefined. Write as zero.
0x0000 to 0x7FFF
Auto-refresh cycle (number of memory clocks):
Description
Address
(0xF430_0000) + (0x0010)
TMPA901CM
2010-07-29