NEC PD750004 User Manual page 39

4 bit single-chip microcomputer
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Type E-B
P.U.R.
enable
Data
Output
disable
P.U.R.: Pull-Up Resistor
Type F-A
P.U.R.
enable
Data
Output
disable
P.U.R.: Pull-Up Resistor
Type F-B
P.U.R.
enable
Output
disable
(P-ch)
Data
Output
disable
Output
disable
(N-ch)
P.U.R.: Pull-Up Resistor
Figure 2-1. Pin Input/Output Circuits (2/2)
V
DD
P.U.R.
P-ch
IN/OUT
Type D
Type A
V
DD
P.U.R.
P-ch
IN/OUT
Type D
Type B
V
DD
P.U.R.
P-ch
V
DD
P-ch
IN/OUT
N-ch
CHAPTER 2 PIN FUNCTIONS
Type M-C
P.U.R.
enable
Data
Output
disable
P.U.R.: Pull-Up Resistor
Type M-D*
Input instruction
P.U.R.
(Mask option)
Data
Output
disable
Input buffer with an intermediate
withstand voltage of +13 V
P.U.R.: Pull-Up Resistor
Pull-up resistor that operates only when an input
Note
instruction is excuted (valid at low voltage)
Type M-E*
Input instruction
Data
Output
disable
Input buffer with an intermediate
withstand voltage of +13 V
Note
Pull-up resistor that operates only when an input
instruction is executed (valid at low voltage)
V
DD
P.U.R.
P-ch
IN/OUT
N-ch
V
DD
P-ch
V
DD
Note
P.U.R
IN/OUT
N-ch
(Withstand
voltage:13 V)
V
DD
P-ch
Note
IN/OUT
N-ch
(Withstand
voltage:13 V)
1 9

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