HMS38112 Datasheet, PDF (10/73 Pages) List of Unclassifed Manufacturers – 4-BIT SINGLE CHIP MICROCOMPUTERS

Pin Circuit
Pin
I/O
R0 ~ R1
I
R2 ~ R3
I/O
K0 ~ K3
I
I/O circuit
pull-up
pull-up
pull-up
Chapter 1.HMS38112
Note
Ï - Built in MOS Tr for
pull-up, about 140 .
- CMOS output.
- "H" output at reset.
Ï - Built in MOS Tr for
pull-up, about 140 .
Ï - Built in MOS Tr for
pull-up, about 140 .
D0 ~ D5
O
REMOUT
REMOUT
O
PGND
- Open drain output.
- "L" output at reset.
- D0~D3 are “L” output
at STOP MODE..
- D4 ~D5 pins “Low” or
keep before stop mode
at STOP MODE (option)
RESETB ^{- Open drain output}
- Output Tr. Disable at
reset.
DATA
1-7