HD404459 Datasheet, PDF (48/122 Pages) Renesas Technology Corp – 4-bit HMCS400-series microcomputers

HD404459 Series
Table 24 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
V_CC
V_CC
Pull-up control signal
Buffer control
signal
Output data
Input data
HLT
MIS3
DCR
MIS2
PDR
Input pins
Input control signal
Input data
Peripheral Input/
function output pins
pins
Input control signal
V_CC
V_CC
Pull-up control signal
HLT
MIS3
Pins
D₀–D₉, R0₀–R0₃,
R1₀–R1₃, R2₀–R2₃,
R3₀–R3₃, R4₀–R4₂,
R5₀–R5₃, R6₀–R6₃,
R7₀–R7₃, R8₀–R8₃,
R9₀–R9₂
R4₃
D₁₀, D₁₁,
R9₃, RA₀–RA₃
SCK
Output
pins
V_CC
V_CC
V_CC
V_CC
Output data
Input data
SCK
Pull-up control signal
SCK
HLT
MIS3
PMOS control
signal
MIS2
Output data ^SO
Pull-up control signal
HLT
MIS3
SO
TOB, TOC, TOD
Output data
TOB, TOC, TOD
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