UPD75216ACW

Manufacturer Part NumberUPD75216ACW
Description4-BIT SINGLE-CHIP MICROCOMPUTER
ManufacturerNEC
UPD75216ACW datasheet
 


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Page 43/72:

MASK OPTION SELECTION

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10. MASK OPTION SELECTION
The PD75216A has the following mask options enabling or disabling on-chip components.
(1)
Pin
Pin
P60 to P63
T0/T9
T10/S15/PH3 to T13/S12/PH0
T14/S11, T15/S10
S0 to S9
XT1, XT2
Note
1. In a system not using subsystem clocks, power consumption in the STOP mode can be decreased by
removing the feedback resistor from the oscillator.
2. The feedback resistor must be incorporated when using subsystem clock.
(2)
Power-on reset generator, power-on flag (PONF)
One of the following three can be selected.
Switch Selection
(See Fig. 8-1)
Power-On Reset Generator
SWA
SWB
Incorporated
ON
ON
ON
OFF
Incorporated
Not incorporated
OFF
OFF
Mask Option
Pull-up resistor incorporation enabled bit-wise
Deletion of subsystem clock oscillator feedback resistor
possible
Power-On Flag (PONF)
Internal Reset Signal (RES)
Generate automatically
Incorporated
Incorporated
Not generate automatically
Not incorporated
PD75216A
–––––
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