gc80c520a CORERIVER Semiconductor, gc80c520a Datasheet - Page 34

• Manufacturer Part Number: gc80c520a
• Description: Midas1.0 Family Mask Rom/eprom/romless 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

Port
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
Alternate Functions
(AD0.0) Multiplexed Address/Data bus or (ADC0) ADC input channel 0
(AD0.1) Multiplexed Address/Data bus
(AD0.2) Multiplexed Address/Data bus
(AD0.3) Multiplexed Address/Data bus
(AD0.4) Multiplexed Address/Data bus
(AD0.5) Multiplexed Address/Data bus
(AD0.6) Multiplexed Address/Data bus
(AD0.7) Multiplexed Address/Data bus
(T2) Timer2 output pulse or (PWM1) PWM1 output
(T2EX) Timer 2 capture/reload input or (ADC1) ADC input channel 1
(ADC2) ADC input channel 2
(ADC3) ADC input channel 3
(INT2) External Interrupt 2 rising edge active
(/INT3) External Interrupt 3 falling edge active
(INT4) External Interrupt 4 rising edge active
(/INT5) External Interrupt 5 falling edge active
(A8) Address high bus
(A9) Address high bus
(A10) Address high bus
(A11) Address high bus
(A12) Address high bus
(A13) Address high bus
(A14) Address high bus
(A15) Address high bus
(RXD) Serial Receive UART
(TXD) Serial Transmit UART
(/INT0) External Interrupt 0 active low
(/INT1) External Interrupt 1 active low
(T0) Timer 0 input or (PWM0) PWM0 output
(T1) Timer 1 input
(/WR) External RAM Write strobe
(/RD) External RAM Read strobe
Table 6-5 Alternate Functions
Page 34 of 187
Functional Description