UPD753012GC NEC, UPD753012GC Datasheet - Page 42

• Manufacturer Part Number: UPD753012GC
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

10. MASK OPTION
42
The PD753017 has the following mask options.
• Mask option of P40 to P43 and P50 to P53
• Mask option of V
• Standby function mask option
• Subsystem clock mask option
An on-chip pull-up resistor can be selected.
<1> Specifies an on-chip pull-up resistor in bit units.
<2> Does not specify an on-chip pull-up resistor.
An on-chip split resistor for LDC driving can be selected.
<1> Does not specify an on-chip divider resistor
<2> Specifies four 10-k
<3> Specifies four 100-k
Wait time can be selected by RESET signai input.
<1> 2
<2> 2
Selectable an on-chip feedback resistor can be used/cannot be used
<1> Make an on-chip feedback resistor usable
<2> Make an on-chip feedback resistor unusable
(Switch on-chip feedback resistor ON/OFF in software)
(Disconnects on-chip feedback resistor in hardware)
17
15
/f
/f
X
X
(21.8 ms: at f
(5.46 ms: at f
LC0
to V
LC2
X
X
= 6.0 MHz, 31.3 ms: at f
= 6.0 MHz, 7.81 ms: at f
(typ.) on-chip split resistors at the same time.
and BIAS pins
(typ.) on-chip split resistors at the same time.
X
X
= 4.19 MHz)
= 4.19 MHz)
PD753012, 753016, 753017