UPD754144 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD754144

4-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD754144, 754244

Functional Outline

Parameter

Instruction execution time

On-chip

Mask ROM

memory

RAM

EEPROM

System clock oscillator

General-purpose register

Input/output CMOS input

port

CMOS input/output

Total

Start-up time after reset

Stand-by mode release time

Timer

Bit sequential buffer

Vectored interrupt

Test input

Standby function

Operating ambient temperature

Operating supply voltage

Package

µPD754144

µPD754244

• 4, 8, 16, 64 µs

(at fcc = 1.0-MHz operation)

• 0.95, 1.91, 3.81, 15.3 µs

(at fx = 4.19-MHz operation)

• 0.67, 1.33, 2.67, 10.7 µs

(at fx = 6.0-MHz operation)

4096 × 8 bits (0000H-0FFFH)

128 × 4 bits (000H-07FH)

16 × 8 bits (400H-41FH)

RC oscillator

(External resistor and capacitor)

Crystal/ceramic oscillator

• 4-bit operation: 8 × 4 banks

• 8-bit operation: 4 × 4 banks

4

On-chip pull-up resistor can be specified by mask option.

9

On-chip pull-up resistor connection can be specified by means of software.

13

56/fcc

29/fcc

217/fx, 215/fx (selected by mask option)

220/fx, 217/fx, 215/fx, 213/fx

4 channels

• 8-bit timer counter

(can be used as 16-bit timer counter)

(selected by the setting of BTM)

: 3 channels

• Basic interval/watchdog timer

: 1 channel

16 bits

External: 1, Internal: 5

External: 1 (key return reset function available)

STOP/HALT mode

TA = –40 to +85 °C

VDD = 1.8 to 6.0 V

• 20-pin plastic SOP (300 mil, 1.27-mm pitch)

• 20-pin plastic shrink SOP (300 mil, 0.65-mm pitch)

3

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