EM78P152/3S
8-Bit Microcontroller with OTP ROM
4.2 EM78P152S
Symbol
P66, P67
P65/OSCI
P64/OSCO
P63//RESET
P62/TCC
P61
P60/INT
VDD
VSS
Pin No. Type
Function
General purpose input/output pin
4, 3
I/O Pull-high open-drain
Wake up from sleep mode when the status of the pin
changes.
General purpose input/output pin
External clock signal input
6
I/O Input pin of XT oscillator
Pull-high open-drain
Wake up from sleep mode when the status of the pin
changes.
General purpose input/output pin
External clock signal input
7
I/O Input pin of XT oscillator
Pull-high open-drain
Wake up from sleep mode when the status of the pin
changes.
P63 is input pin only
Internal Pull-high is on if defined as /RESET.
If set as /RESET and remains at logic low, the device will be
8
I reset.
Wake-up from sleep mode when pin status changes
Voltage on /RESET must not exceed Vdd during normal
mode.
General purpose input/output pin
External Timer/Counter input
9
I/O Pull-high/Pull-down open-drain
Wake up from sleep mode when the status of the pin
changes.
General purpose input/output pin
Pull-high/Pull-down open-drain
10
I/O Wake up from sleep mode when the status of the pin
changes.
Schmitt Trigger input during programming mode.
General purpose input/output pin
Pull-high/Pull-down open-drain
1
I/O Wake up from sleep mode when the status of the pin
changes.
Schmitt Trigger input during programming mode.
External interrupt pin triggered by a falling edge.
5
– Power supply
2
– Ground
4•
Product Specification (V1.8) 09.08.2009
(This specification is subject to change without further notice)