TMP86xy48UG/FG Toshiba, TMP86xy48UG/FG Datasheet - Page 65

• Manufacturer Part Number: TMP86xy48UG/FG
• Manufacturer: Toshiba

Specifications of TMP86xy48UG/FG

• Package: LQFP64/QFP64
• Rom Types (m=mask,p=otp,f=flash): F/E
• Rom Size: 32
• Ram Size: 2K
• Driver Led: 11
• Driver Lcd: -
• Spi/sio Channels: 1
• Uart/sio Channels: 1
• I2c/sio Channels: 1
• High-speed Serial Output: 2
• Adc 8-bit Channels: -
• Adc 10-bit Channels: 16
• Da Converter Channels: -
• Timer Counter 18-bit Channel: -
• Timer Counter 16-bit Channel: 2
• Timer Counter 8-bit Channel: 2
• Motor Channels: -
• Watchdog Timer: Y
• Dual Clock: Y
• Clock Gear: -
• Number Of I/o Ports: 54
• Power Supply (v): 2.7 to 3.6

2.4
fc/2
fc/2
fc/2
fc/2
2.4.1
Internal reset
23
21
19
17
or fs/2
or fs/2
or fs/2
or fs/2
Watchdog Timer (WDT)
endless looping caused by noise or the like, or deadlock and resume the CPU to the normal
state.
or a non-maskable “interrupt request”. However, selection is possible only once after reset. At
first the “reset request” is selected.
timer to generate an interrupt at fixed intervals.
Note: Care must be given in system design so as to protect the watchdog timer from disturbing
The watchdog timer is a fail-safe system to rapidly detect the CPU malfunctions such as
The watchdog timer signal for detecting malfunction can be selected either a “reset request”
When the watchdog timer is not being used for malfunction detection, it can be used as a
Watchdog Timer Configuration
15
13
11
9
Clear
noise. Otherwise the Watchdog Timer may not fully exhibit its functionality.
WDTT
A
B
C
D
MPX
2
S
WDTEN
0034
Y
WDTCR1
Clock
S
H
Figure 2.4.1 Watchdog Timer Configuration
Q
R
Watchdog timer control registers
Binary counters
Writing disable
code
1
Controller
2
86FM48-61
Overflow
Writing clear
code
0035
WDTCR2
H
WDT output
WDTOUT
signal from T.G
Reset release
Interrupt request
R
S Q
MPX: Multiplexer
TMP86FM48
2007-08-24
Reset request
INTWDT