UPD784031Y Ver la hoja de datos (PDF) - NEC => Renesas Technology
Número de pieza
componentes Descripción
Fabricante
UPD784031Y Datasheet PDF : 88 Pages
| |||
µPD784031Y
2. MAJOR DIFFERENCES FROM µPD784026 SUBSERIES AND µPD78234 SUBSERIES
Series Name
µPD784038Y Subseries
µPD784026 Subseries
µPD78234 Subseries
Item
µPD784038 Subseries
Number of basic instructions
113
65
(mnemonics)
Minimum instruction execution time
125 ns
(@ 32-MHz operation)
160 ns
(@ 25-MHz operation)
333 ns
(@ 12-MHz operation)
Memory space (program/data)
1 Mbytes combined
64 Kbytes/1 Mbytes
Timer/counter
16-bit timer/counter x 1
8-/16-bit timer/counter x 2
8-/16-bit timer x 1
16-bit timer/counter x 1
8-bit timer/counter x 2
8-bit timer x 1
Clock output function
Provided
None
Watchdog timer
Provided
None
Serial interface
UART/IOE (3-wire serial
I/O) x 2 channels
CSI (3-wire serial I/O,
2-wire serial I/O, I2C
busNote) x 1 channel
UART/IOE (3-wire serial
I/O) x 2 channels
CSI (3-wire serial I/O, SBI)
x 1 channel
UART x 1 channel
CSI (3-wire serial I/O, SBI)
x 1 channel
Interrupt
Context
switching
Provided
None
Priority
4 levels
2 levels
Standby function
HALT/STOP/IDLE mode
HALT/STOP mode
Operating clock
Selectable from fXX/2, fXX/4, fXX/8, and fXX/16
Fixed to fXX/2
Pin function
MODE pin
None
Specifies ROM-less mode
(always high level with
µPD78233 and 78237)
TEST pin
Device test pin
Usually, low level
None
Package
80-pin plastic QFP
80-pin plastic QFP
80-pin plastic QFP
(14 x 14 mm, thickness 2.7 mm) (14 x 14 mm, thickness 2.7 mm) (14 x 14 mm, thickness 2.7 mm)
80-pin plastic QFP
(14 x 14 mm, thickness 1.4 mm)
80-pin plastic TQFP
(fine pitch) (12 x 12 mm)
80-pin ceramic WQFN
(14 x 14 mm):
µPD78P4038Y and
78P4038 only
80-pin plastic TQFP
(fine pitch) (12 x 12 mm):
µPD784021 only
80-pin ceramic WQFN
(14 x 14 mm):
µPD78P4026 only
94-pin plastic QFP
(20 x 20 mm)
84-pin plastic QFJ
(1150 x 1150 mil)
94-pin ceramic WQFN
(20 x 20 mm):
µPD78P238 only
Note µPD784038Y Subseries only
7
Share Link: 