景县4 bit MCUTM87 series哪家好
产品详情
| Product No. | ROM TYPE | CLOCK | SLOW OSC. | FAST OSC. | OPERATING VOLT. | PROG. ROM | TABLE ROM | RAM | LCD | LED | IOA | IOB | IOC | IOD | IOE | IOF | INTERRUPT | RFC | EL | KEY SCAN | PRE- DIVIDER | TIMER | BZ/BZB | MELODY | HALT | STOP | STACK | WDT | RESET | DIODE | other functions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TM8720 | MASK | SINGLE | X'tal/Ext. R/Int. R | NA | 1.5V | 1024*16 | NA | 64*4 | 4c*12s | NA | IO*4/PULL LOW*4/DEBOUNCE | IO*3/PULL LOW*3 | NA | NA | -- | -- | Ext.*1/Int.*2 | -- | -- | -- | V | 6-bit*2 | V | V | V | V | 4 | -- | FOR RESET/PIN | -- | -- |
| TM8721 | MASK | SINGLE | NA | 1.5V | 1024*16 | 1536*8 | 64*4 | 4c*9s | NA | IO*1/PULL LOW*1/DEBOUNCE | IO*2/PULL LOW*2 | IO*4/PULL LOW*4/L-L-HOLD*4 | NA | -- | -- | Ext.*1/Int.*3 | V | -- | -- | V | 6-bit*1 | V | V | V | V | 8 | -- | FOR RESET/PIN | -- | -- | |
| TM8722 | MASK | DUAL | X'tal/Ext. RC | Ext. R/Int. R | 1.5V/3.0V/5.0V | 2048*16 | 3840*8 | 128*4 | 5c*35s | 5c*35s | IO*4/PULL LOW*4 | IO*4/PULL LOW*4 | IO*4/PULL LOW*4/L-L-HOLD*4/DEBOUNCE/KEY RESET | NA | -- | -- | Ext.*3/Int.*4 | V | V | V | V | 6-bit*1 | V | V | V | V | 8 | V | FOR RESET/PIN/WATCH DOG/IOC | -- | -- |
| TM8723 | MASK | DUAL | X'tal Ext. RC | Ext. R Int. R | 1.5V/3.0V/5.0V | 1536 * 16 | 2816 * 8 | 96 * 4 | 5c * 27s | 5c * 27s | IO * 4 PULL LOW * 4 | IO * 4 PULL LOW * 4 | IO * 4 PULL LOW * 4 L-L-HOLD * 4 DEBOUNCE KEY RESET | NA | Ext. * 3 Int. * 2 | -- | V | V | V | 6-bit * 1 | V | V | V | V | 8 | V | POR RESET PIN WATCH DOG IOC | -- | |||
| TM8724 | MASK | DUAL | X'tal | Ext. R Int. R | 1.5V/3.0V | 1152 * 16 | 2048 * 8 | 80 * 4 | 5c * 24s | NA | IO * 4 | IO * 4 PULL-LOW * 4 | IO * 4 PULL-LOW * 4 DEBOUNCE | NA | Ext. * 2 Int. * 2 | -- | -- | -- | V | 6-bit * 1 | V | V | V | V | 8 | -- | POR RESET PIN WATCH DOG IOC | -- | |||
| TM8725 | MASK | DUAL | X'tal Ext. RC | X'tal Int. R Ext. R | 1.5V/3.0V/5.0V | 3072*16 | 3840*8 | 384*4 | 6c*40s | NA | IO*4 PULL LOW * 4 | IO*4 PULL LOW * 4 | IO*4 PULL LOW * 4 L-L hold*4 Debounce KEY RESET | IO*4 PULL LOW * 4 Debounce | Ext.*4 Int.*4 | V | V | V | V | 6bit*2 | V | V | V | V | 8 | V | POR RESET PIN WATCH DOG IOC | -- | |||
| TM8726 | MASK | DUAL | X'tal Ext. RC | X'tal Ext. R Int. R | 1.5V/3.0V/5.0V | 4096 * 16 | 3840 * 8 | 512 * 4 | 9c * 41s | NA | IO * 4 PULL LOW * 4 | IO * 4 PULL LOW * 4 | IO * 4 PULL LOW * 4 L-L-HOLD * 4 DEBOUNCE KEY RESET | IO * 4 PULL LOW * 4 DEBOUNCE | Ext. * 4 Int. * 4 | V | V | V | V | 6-bit * 2 | V | V | V | V | 8 | V |
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