TMPA901CMXBG Toshiba, TMPA901CMXBG Datasheet - Page 728

• 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

3.23 Watchdog Timer (WDT) (Runaway Detection Timer)
PCLK
3.23.1
APB Bus
such as noise and for restoring the CPU to a normal state. When the watchdog timer detects a
runaway condition, it generates an interrupt to notify the interrupt controller and CPU of this
condition. (Interrupt source signal to Interrupt controller: INTS [0])
generated.
The TMPA901CM contains a watchdog timer (WDT) for runaway detection.
The watchdog timer is provided for detecting a CPU malfunction (runaway) due to causes
By connecting the watchdog timer output to the internal reset pin, a reset can be forcefully
Block diagram
WDT
<WDTCNT [31:0]>
Note: Please set to disable the WDT in Debug operation.
Control
register
WDT
APB Bus
<INTEN>
<WDTINTCLR>
WDT reset
TMPA901CM- 727
<RESEN>
INTS [0]
counter
WDT
System reset
Interrupt
controller
<RAWWDTINT>
<WDTINT>
TMPA901CM
2010-07-29
INTS [0]
WDT
reset