HD404019R Datasheet, PDF (31/65 Pages) Renesas Technology Corp – CMOS 4-bit single-chip microcomputers

HD404019R Series
Table 17 I/O Pin Circuit Types
Standard Pins
Without Pull-Up MOS
(NMOS Open Drain) (A) With Pull-Up MOS (B)
CMOS (C)
I/O
common
HLT
pins
Input
data
HLT
HLT
V_CC V_CC
Input
data
Write
pulse
HLT
HLT
V_CC
Output
data
Output
data
Input pins
V_CC
—
HLT
Input
data
HLT
HLT
Input
data
Applicable
Pins
Input
data
HLT
Output
data
D₀–D₃,
R3₀–R3₃,
R4₀–R4₃,
R5₀–R5₃,
R6₀–R6₃,
R7₀–R7₃,
R8₀–R8₃
R9₀–R9₃
High Voltage Pins
Without Pull-Down MOS
(PMOS Open Drain) (D)
I/O
common
pins
V_CC
HLT
Output
data
Input pins
Input pins
HLT
Input
data
HLT
HLT
Input
data
Input
data
With Pull-Up MOS (E)
V_CC
HLT
Output
data
V_CC
V_{disp HLT}
Input
data
HLT
V_CC
Input
data
V_disp
—
Applicable
Pins
D₄–D₁₅,
R0₀–R0₃,
R1₀–R1₃,
R2₀–R2₃
RA₀
RA₁
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