EM78P341N/342N/343N
8-Bit Microprocessor with OTP ROM
Bit 3 & Bit 2 (RCM1, RCM0): IRC mode selection bits
RCM 1
RCM 0
Frequency (MHz)
1
1
0
0
1
0
1
0
4 (default)
16
1
455kHz
6.1.8 R8 (AISR: ADC Input Select Register)
The AISR register defines the I/O Port as analog inputs or as digital I/O, individually.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ADE7
ADE6
ADE5
ADE4
ADE3
ADE2
ADE1
ADE0
Bit 7 (ADE7): AD converter enable bit of P57 pin
0 = Disable ADC7, P57 functions as I/O pin
1 = Enable ADC7 to function as analog input pin
Bit 6 (ADE6): AD converter enable bit of P55 pin
0 = Disable ADC6, P55 functions as I/O pin
1 = Enable ADC6 to function as analog input pin
Bit 5 (ADE5): AD converter enable bit of P70 pin
0 = Disable ADC5, P70 functions as I/O pin
1 = Enable ADC5 to function as analog input pin
Bit 4 (ADE4): AD converter enable bit of P67 pin
0 = Disable ADC4, P67 functions as I/O pin
1 = Enable ADC4 to function as analog input pin
Bit 3 (ADE3): AD converter enable bit of P53 pin
0 = Disable ADC3, P53 functions as I/O pin
1 = Enable ADC3 to function as analog input pin
Bit 2 (ADE2): AD converter enable bit of P52 pin
0 = Disable ADC2, P52 functions as I/O pin
1 = Enable ADC2 to function as analog input pin
Bit 1 (ADE1): AD converter enable bit of P51 pin
0 = Disable ADC1, P51 functions as I/O pin
1 = Enable ADC1 to function as analog input pin
Bit 0 (ADE0): AD converter enable bit of P50 pin.
0 = Disable ADC0, P50 function as I/O pin
1 = Enable ADC0 to function as analog input pin
12 •
Product Specification (V1.0) 12.01.2006
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
