HD404054 Datasheet, PDF (36/101 Pages) Hitachi Semiconductor – HMCS400-series microcomputers designed to increase program productivity with large-capacity memory

HD404054 Series/HD404094 Series
I/O Pin Type
Input pins
Circuit
Input data
Periphera Input/
l function output pins
pins
Input control signal
V_CC
V_CC
Pull-up control signal
Pins
HD404054 HD404094
Series
Series
D₁₂, D₁₃, RC₀ D₁₂, D₁₃, RC₀
RD₀–RD₃, RE₀ RD₀–RD₃, RE₀
HLT
MIS3
SCK₁
SCK₁
Output
pins
V_CC
V_CC
V_CC
V_CC
Output data
Input data
SCK₁
SCK₁
Pull-up control signal
HLT SO₁
MIS3
PMOS control
signal
MIS2
Output data ^SO1
Pull-up control signal
HLT
MIS3
TOC, TOD
SO₁
TOC, TOD
Output data
TOC, TOD
Input pins
V_CC
Input data
HLT
MIS3
PDR
SI₁, INT₁,
EVND
SI₁, INT₁,
EVND
SI₁, INT₁,
EVND
Input data
INT₀, ^INT0^,
STOPC _STOPC
INT₀,
STOPC
Note: The MCU is reset in stop mode, and peripheral function selection is cancelled. The HLT signal
becomes low, and input/output pins enter high-impedance state.
D Port (D₀–D₁₃): Consist of 10 input/output pins and 2 input pins addressed by one bit. D₀–D₃ are high-
current sources, and D₁₂ and D₁₃ are input-only pins. D₄–D₉ of the HD404054 Series are high-current sinks.
D₄–D₇ of the HD404094 Series are middle voltage output-only pins, and D₈ and D₉ are high-current sink
pins.
Pins D₀–D₉ are set by the SED and SEDD instructions, and reset by the RED and REDD instructions.
Output data is stored in the port data register (PDR) for each pin. All pins D₀–D₁₃ are tested by the TD and
TDD instructions.
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