HD404669 Datasheet, PDF (48/142 Pages) Hitachi Semiconductor – Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit

HD404669 Series
Table 16 Input/Output Pin Circuit Configurations (cont)
I/O Pin Type
Peripheral
function
Input/output
pins
Circuit Configuration
V_{CC VCC}
HLT
Pull-up control signal
MIS3
Relevant Pins
SCK₁
Output pins
V_{CC VCC}
V_{CC VCC}
Output data
Input data
SCK₁
SCK₁
HLT
Pull-up control signal
MIS3
PMOS control signal
MIS2
Output data ^SO1
Pull-up control signal
HLT
MIS3
SO₁
TOC, TOD
Output data
TOC,TOD
Input pins
V_CC
HLT
MIS3
PDR
SI₁, INT₁, INT₂,
INT₃, INT₄,
EVND
Input data _{SI1,INT1,etc.}
Input data _{INT0, STOPC, RESET}
INT₀, STOPC
RESET
Note: In a reset and in stop mode, since the I/O control registers are reset, input/output pins go to the high-
impedance state and peripheral function selections are cleared.
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