Appendix A Differences Between Μ Pd78044H, 780228, And 780208 Subseries - NEC mPD780208 Subseries User Manual

APPENDIX A DIFFERENCES BETWEEN µ PD78044H, 780228, AND 780208 SUBSERIES
Table A-1 shows the major differences between the µ PD78044H, 780228, and 780208 Subseries.
Table A-1. Major Differences Between µ PD78044H, 780228, and 780208 Subseries
Part Number
Item
PROM or flash memory version
Supply voltage
Internal ROM size
Internal expansion RAM size
Internal buffer RAM size
VFD display RAM size
CPU clock
I/O ports
Total of VFD display output pins 34 pins
Serial interface
Timer
Clock output
Buzzer output
Vectored interrupt Internal
source External
Test input
Package
Electrical specifications and
recommended soldering conditions
Remark In addition to the above items, the configuration of the development tools also differs between the above
subseries (especially between the PROM and flash memory versions). For details, refer to the user's
manual of each subseries.
398
µ PD78044H Subseries
µ PD78P048B
(PROM)
V = 2.7 to 5.5 V
DD
µ PD78044H:
32 KB
µ PD78045H:
40 KB
µ PD78046H:
48 KB
µ PD78P048B: 60 KB
µ PD78P048B only: 1024 bytes
µ PD78P048B only: 64 bytes
48 bytes
Main system clock or
subsystem clock selectable
68 pins
1 channel
16-bit timer/event counter:
1 channel
8-bit timer/event counter:
2 channels
Watch timer: 1 channel
Watchdog timer: 1 channel
Provided
Provided
10
4
Provided
80-pin plastic QFP
(14 × 20)
Refer to individual data sheet.
User's Manual U11302EJ4V0UM
µ PD780228 Subseries
µ PD78F0228
(flash memory)
V = 4.5 to 5.5 V
DD
µ PD780226: 48 KB
µ PD780228: 60 KB
µ PD78F0228: 60 KB
512 bytes
None
96 bytes
Main system clock only
72 pins
48 pins
8-bit remote control timer:
1 channel
8-bit PWM timer: 2 channels
Watchdog timer: 1 channel
None
None
8
4
None
100-pin plastic QFP
(14 × 20)
µ PD780208 Subseries
µ PD78P0208
(PROM)
V = 2.7 to 5.5 V
DD
µ PD780204:
32 KB
µ PD780204A: 32 KB
µ PD780205:
40 KB
µ PD780205A: 40 KB
µ PD780206:
48 KB
µ PD780208:
60 KB
µ PD78P0208: 60 KB
µ PD780206, 780208, and
78P0208 only: 1024 bytes
64 bytes
80 bytes
Main system clock or
subsystem clock selectable
74 pins
53 pins
2 channels
16-bit timer/event counter:
1 channel
8-bit timer/event counter:
2 channels
Watch timer: 1 channel
Watchdog timer: 1 channel
Provided
Provided
11
4
Provided
100-pin plastic QFP
(14 × 20)