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| MC80F0424 Datasheet, PDF (17/135 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS | |||
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Preliminary
MC80F0424/0432/0448
6. PORT STRUCTURES
R00~R07, R16, R17, R40, R41
Pull-up
Reg.
Data Reg.
Direction
Reg.
Data Bus
VDD
Pull-up
Tr.
VDD
VDD
MUX
RD
Pin
VSS
VSS
R10(INT0), R11(INT1), R12(INT2), R15(EC0),
R43(SI),R45(ACLK0),R46(RxD0)
Pull-up
Reg.
Data Reg.
VDD
Pull-up
Tr.
VDD
VDD
Direction
Pin
Reg.
VSS
VSS
Data Bus
MUX
RD
INT,EC,SI,
ACLK0,RxD0
Noise
Filter
INT_EN,SI_EN,ACLK0_EN,
EC_EN,RxD_EN
R50(INT3),R51(EC1)
Data Reg.
Direction
Reg.
Data Bus
MUX
RD
INT3,EC1
INT3_EN,EC1_EN
Noise
Filter
VDD
VDD
Pin
VSS
R33(TxD1)
TxD1
Data Reg.
Direction
Reg.
TxD1_EN
Data Bus
MUX
MUX
RD
VDD
VDD
Pin
VSS
VSS
MAR. 2005 Ver 0.2
13
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