TMPA901CMXBG Toshiba, TMPA901CMXBG Datasheet - Page 378

• 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

(Master drive request)
(Actual signal state)
I2C0CR2<PIN>
I2C0SR<BB>
I2C0DA
I2C0CL
I2C0CL
4. Stop Condition Generation
I2C0CR2<MST>
I2C0CR2<TRX>
I2C0CR2<BB>
I2C0CR2<PIN>
and 0 to I2C0CR2<BB> initiates the sequence for generating a stop condition on the bus.
Do not change the contents of I2C0CR2<MST>, I2C0CR2<TRX>, I2C0CR2<BB> and
I2C0CR2<PIN> until a stop condition is generated on the bus.
stop condition is started, a stop condition will be generated after the I2C0CL line is
released.
released.
CHK _ BB:
Programming example: Generating a stop condition
When I2C0SR<BB> is 1, writing 1 to I2C0CR2<MST>, I2C0CR2<TRX>, I2C0CR2<PIN>
If the I2C0CL line is pulled low by another device when the sequence for generating a
It takes the t
0
1
1
1
I2C0CR2 ←
r1
AND
CMP
BNE
HIGH
Figure 3.14.9 Stop condition generation
period for a stop condition to be generated after the I2C0CL line is
←
TMPA901CM- 377
0xD8
(I2C0SR)
r1, #0x20
r1, #0x00
CHK _ BB
If I2C0CL is pulled low by another device, a
stop condition is generated after I2C0CL is
released.
; Set I2C0CR2<MST>,<TRX>,<PIN> to 1 and
I2C0CR2<BB> to 0.
; Check that the bus is free.
Stop condition
TMPA901CM
2010-07-29