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UPD754264 Datasheet(PDF) 2 Page - NEC

Part # UPD754264
Description  4-BIT SINGLE-CHIP MICROCONTROLLERS
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD754264 Datasheet(HTML) 2 Page - NEC

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2
µPD754264
Functional Outline
Parameter
Function
Instruction execution time
• 0.95, 1.91, 3.81, 15.3
µs (@ fX = 4.19-MHz operation)
• 0.67, 1.33, 2.67, 10.7
µs (@ fX = 6.0-MHz operation)
On-chip
Mask ROM
4096
× 8 bits (0000H-0FFFH)
memory
RAM
128
× 4 bits (000H-07FH)
EEPROM
32
× 8 bits (400H-43FH)
System clock oscillator
Crystal/ceramic oscillator
General-purpose register
• 4-bit operation: 8
× 4 banks
• 8-bit operation: 4
× 4 banks
Input/output
CMOS input
4
On-chip pull-up resistor can be specified by mask option.
port
CMOS input/output
9
On-chip pull-up resistor connection can be specified by means of software.
Total
13
Start-up time after reset
217/fX, 215/fX, 213/fX (selected by mask option)
Stand-by mode release time
220/fX, 217/fX, 215/fX, 213/fX (selected by the setting of BTM)
Timer
4 channels
• 8-bit timer counter
(can be used as 16-bit timer counter) : 3 channels
• Basic interval/watchdog timer
: 1 channel
A/D converter
8-bit resolution
× 2 channels (1.8 V ≤ AVREF ≤ VDD)
Bit sequential buffer
16 bits
Vectored interrupt
External: 1, Internal: 5
Test input
External: 1 (key return reset function available)
Standby function
STOP/HALT mode
Operating ambient temperature
TA = –40 to +85
°C
Operating supply voltage
VDD = 1.8 to 6.0 V
Package
20-pin plastic SOP (300 mil, 1.27-mm pitch)


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