MPD784036 datasheet(7/90 Pages) NEC

7 / 90 page

µPD784031

2. MAIN DIFFERENCES BETWEEN

µPD784038, µPD784038Y, µPD784026, AND µPD78234 SUB-

SERIES

Series

µPD784038 sub-series

µPD784026 sub-series

µPD78234 sub-series

Item

µPD784038Y sub-series

Number of basic instructions

113

(mnemonics)

Minimum instruction execution

125 ns

160 ns

333 ns

time

(at 32 MHz)

(at 25 MHz)

(at 12 MHz)

Memory space (program/data)

1M byte in total

64K bytes/1M byte

Timer/counter

16-bit timer/counter

× 1

16-bit timer/counter

× 1

8/16-bit timer/counter

× 2

8-bit timer/counter

× 2

8/16-bit timer

× 1

8-bit timer

× 1

Clock output function

Available

Unavailable

Watchdog timer

Available

Unavailable

Serial interface

UART/IOE (3-wire serial I/O)

UART

× 1 channel

× 2 channels

CSI (3-wire serial I/O, SBI)

CSI (3-wire serial I/O, 2-wire

CSI (3-wire serial I/O, SBI)

× 1 channel

serial I/O, I2C busNote)

× 1 channel

Interrupt

Context switching

Available

Unavailable

Priority

4 levels

2 levels

Standby function

3 modes (HALT, STOP, IDLE)

2 modes (HALT, STOP)

Operation clock switching

Selectable from fXX/2, fXX/4, fXX/8, or fXX/16

Fixed to fXX/2

MODE pin

Unavailable

To specify ROM-less mode

functions

(always in the high level for

the

µPD78233 or µPD78237)

TEST pin

Pin for testing the device

Unavailable

Low level during ordinary use

Package

80-pin plastic QFP

(14

× 14 × 2.7 mm)

(14

× 14 × 2.7 mm)

(14

× 14 × 2.7 mm)

80-pin plastic QFP

80-pin plastic TQFP

94-pin plastic QFP

(14

× 14 × 1.4 mm)

(fine pitch) (12

× 12 mm):

(20

× 20 mm)

80-pin plastic TQFP

for the

µPD784021 only

84-pin plastic QFJ

(fine pitch) (12

× 12 mm)

80-pin ceramic WQFN

(1 150

× 1 150 mil)

80-pin ceramic WQFN

(14

× 14 mm):

94-pin ceramic WQFN

(14

× 14 mm):

for the

µPD78P4026 only

(20

× 20 mm):

for the

µPD78P4038 and

for the

µPD78P238 only

µPD78P4038Y only

Note

For the

µPD784038Y sub-series only.

MPD784036 Datasheet(PDF) 7 Page - NEC

MPD784036 Datasheet(HTML) 7 Page - NEC

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