HD404339 Datasheet, PDF (35/80 Pages) Hitachi Semiconductor – 4-bit HMCS400-Series microcomputer with large-capacity memory

I/O Pin Type
Peripheral function Input/
pins
pins
Circuit
V_CC
V_CC
Input data
HD404339 Series
HLT
MIS3
PDR
SI
HLT
MIS3
PDR
A/D input
Pins
SI
AN₀–AN₁₁
Input control
Notes: 1. In stop mode, the MCU is reset and the peripheral function selection is cancelled. The HLT
signal goes low, and input/output pins enter the high-impedance state.
2. The HLT signal is 1 in active, standby, watch, and subactive modes.
Table 7 Circuit Configurations for High-Voltage Input/Output Pins
I/O Pin Type
With Pull-Down Resistance
Without Pull-Down Resistance Pins
Input/output
pins
V_CC
HLT
Pull-down
resistance
Output
data
V_disp
Input control
signal
Input data
V_CC
Input control
signal
HLT
Output
data
Input data
D₀–D₁₃,
R1₀–R1₃,
R2₀–R2₃,
R8₀–R8₃,
R9₀–R9₃
Input pins
Input control
signal
Input data _RA1
Peripheral Output pins
V_CC
V_CC
function
HLT
pins
Pull-down
resistance
Output
data
V_disp
Input pins
Input data
Pull-down
resistance
V_disp
Note: HLT goes high in active, standby, watch, and subactive modes.
HLT
Output
data
BUZZ
Input data
INT₀,
INT₁,
EVNB,
STOPC
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