HD404639R Datasheet, PDF (47/135 Pages) Renesas Technology Corp – 4-Bit Single-Chip Microcomputer

HD404639R Series
Table 22 Circuit Configurations of I/O Pins
I/O Pin Type
Input/output
pins
Circuit
V_CC
V_CC
Pull-up control signal
Buffer control
signal
Output data
HLT
MIS3
DCD, DCR
PDR
Input data
Input control signal
Pins
D₄–D₁₁, R0₀–R0₃
R1₀–R1_3, R2₀–R2₃
R3₀–R3_3, R4₀–R4₂
R5₀–R5₂ R6₀–R6₃
R7₀–R7_3, R8₀–R8₃
R9₀–R9_3, RA₀–RA₃
RB₀–RB_3, RC₀
Input control signal
V_CC
Buffer control signal
Input data
D₀–D₃
DCD
Input pins
Output data
PDR
Pull-down control
signal
MIS3
HLT
V_CC
V_CC
Pull-up control signal
Buffer control
signal
Output data
Input data
HLT
MIS3
DCR
MIS2, SM2B2
PDR
Input control signal
Input data
Input control signal
R4_3, R5₃
D₁₂, D₁₃
RD₀–RD₃, RE₀
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