EM78P468LAQ EMC [ELAN Microelectronics Corp], EM78P468LAQ Datasheet - Page 32
EM78P468LAQ
Manufacturer Part Number
EM78P468LAQ
Description
8-BIT Microcontroller
Manufacturer
EMC [ELAN Microelectronics Corp]
Datasheet
1.EM78P468LAQ.pdf
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EM78P468L
8-BIT Microcontroller
28 •
Idle mode operation, a WDT time-out (if enabled) will cause the device to reset. The
WDT can be enabled or disabled at any time during the Normal mode and Green mode
by software programming. Refer to WDTE bit of IOC81 register. The WDT time-out
period is equal to (pre-scaler*256/ (Fs/2)).
WDTE (IOC81)
TCC
Pin
Instruction Clock = Fosc /2
Fosc: CPU operate frequency
TE (IOC71)
WDT
WDT Time out
8 bit counter
8 to 1 MUX
Fig. 7(b) Block Diagram of WDT
Fig. 7(a) Block Diagram of TCC
TS (IOC71)
MUX
(This specification is subject to change without further notice)
(IOC71)
Product Specification (V1.0) 03.15.2006
PSRE
Prescaler
WDTP2~0
Prescaler
(IOC81)
TCCP2~0
(IOC71)
TCC overflow interrupt
(Fs:Sub oscillator)
Data Bus
8 to 1 MUX
TCC (R1)
Fs/2
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