TMP91xy20AFG Toshiba, TMP91xy20AFG Datasheet - Page 217

• Manufacturer Part Number: TMP91xy20AFG
• Manufacturer: Toshiba

Specifications of TMP91xy20AFG

• Package: LQFP144
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): M
• Rom Combinations: 8
• Ram Combinations: 8
• Architecture: 16-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 1
• I2c/sio Bus Channels: 1
• (s)dram Controller: 1
• Adc 10-bit Channel: 8
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: 1
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: 4
• Dual Clock: Y
• Number Of I/o Ports: 77
• Power Supply Voltage(v): 3.0 to 3.6

WDT counter
WDT interrupt
WDT counter
WDT interrupt
Internal reset
(Soft ware)
WDT clear
(f
f
device. In this case, the reset time will be between 22 and 29 states (19.6 to 25.8 µs at f
= 36MHz, f
oscillator clock (f
SYS
SYS
The watchdog timer consists of a 22-stage binary counter which uses the system clock
The runaway is detected when an overflow occurs, and the watchdog timer can reset
/2
) as the input clock. The binary counter can output f
21
.
n
OSCH
n
= 2.25 state) is f
OSCH
) by sixteen through the clock gear function.
Overflow
(19.6 to 25.8 µs at f
Figure 3.12.2 Normal Mode
Figure 3.12.3 Reset Mode
91C820A-215
Overflow
FPH
/2, where f
OSCH
22 to 29 states
= 36 MHz, f
FPH
Clear write code
is generated by dividing the high-speed
FPH
= 2.25 MHz)
SYS
/2
15
, f
SYS
/2
17
TMP91C820A
0
, f
2008-02-20
SYS
/2
19
and
FPH