| Part No. |
ROM Type |
ROM |
RAM |
I/O Pins |
External Memory Space |
Speed MHz |
Timer/ Counter |
Int |
ISP/ ICP |
Special Function |
PACKAGE |
Status* |
RoHS |
| PDIP |
PLCC |
PQFP |
| W78E051C |
Flash EPROM |
4K |
128 |
32/36 |
64K |
40 |
2 |
5-7 |
- |
-Extra I/O Port,/INT2, |
40 |
44 |
44 |
P |
Y |
| /INT3 |
| -WDT |
| W78E052C |
Flash EPROM |
8K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
- |
-Extra I/O Port,/INT2, |
40 |
44 |
44 |
P |
Y |
| /INT3 |
| -WDT |
| W78E054C |
Flash EPROM |
16K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
- |
-Extra I/O Port,/INT2, |
40 |
44 |
44 |
P |
Y |
| /INT3 |
| -WDT |
| W78E058B |
Flash EPROM |
32K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-In-system Programming |
40 |
44 |
44 |
P |
Y |
| -Extra I/O Port, / INT2, /INT3 |
| W78E516B |
Flash EPROM |
64K |
512 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-In-system Programming |
40 |
44 |
44 |
P |
Y |
| -Extra I/O Port, / INT2, /INT3 |
| W78E365A |
Flash EPROM |
64K |
1280 |
32/36 |
64K |
40 |
3 |
6/8 |
ISP |
-In-system Programming |
40 |
44 |
44 |
P |
Y |
| -Extra I/O Port, / INT2, /INT3 |
| -WDT |
| -PWM |
| W78ERD2A |
Flash EPROM |
64K |
1280 |
32/36 |
64K |
40 |
3 |
9 |
ISP |
-In-system Programming |
40 |
44 |
44 |
P |
Y |
| -Extra I/O Port, / INT2, /INT3 |
| -WDT, PWM, PCA |
| -High ESD, EMC immunity |
| W78E858A |
Flash EPROM |
32K |
768 |
32/36 |
64K |
40 |
3 |
14 |
ISP |
-In-system Programming |
40 |
44 |
44 |
P |
Y |
| -128 bytes EEPROM |
| -Extra I/O Port, / INT2~INT9, 4 channels PWM |
| W78C051D |
Mask |
4K |
128 |
32/36 |
64K |
40 |
2 |
5/7 |
- |
-Extra I/O Port, / INT2, /INT3-WDT |
40 |
44 |
44 |
P |
Y |
| W78C052D |
Mask |
8K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
- |
-Extra I/O Port, / INT2, /INT3 |
40 |
44 |
44 |
P |
Y |
| -WDT |
| W78C054A |
Mask |
16K |
256 |
32/36 |
64K |
40 |
3 |
6/8 |
- |
-Extra I/O Port, / INT2, /INT3 |
40 |
44 |
44 |
P |
Y |
| W78C032C |
ROMless |
- |
256 |
32 |
64K |
40 |
3 |
6 |
- |
CMOS General purpose |
40 |
44 |
44 |
P |
Y |
| W78C438C |
ROMless |
- |
256 |
40 |
1 M |
40 |
3 |
8 |
- |
-5 pure ports I/O expanded |
- |
84 |
100 |
P |
Y |
| -1 MB external memory space |
| -Additional INT2, INT3 |
|
