手冊上, STC8H8K64U 的 A版要差很多, IO口中斷整個都沒有, 手里有幾片STC8H8K64U, 怎么看是A版本還是B版本?
STC-ISP的信息是這樣的
- Checking target MCU ...
- MCU type: STC8H8K64U
- F/W version: 7.4.4U
- Current H/W Option:
- . ISP-IRC frequency: 23.974MHz
- . IRC is unadjusted
- . Wakeup Timer frequency: 34.500KHz
- . Oscillator gain is HIGH
- . Do not detect the level of P3.2 and P3.3 next download
- . Power-on reset, use the extra power-on delay
- . RESET pin behaves as reset pin
- . Interrupt while detect a Low-Voltage
- . Thresh voltage level of the built-in LVD : 2.80 V
- . Hardware do not enable Watch-Dog-Timer
- . Watch-Dog-Timer pre-scalar : 64
- . Watch-Dog-Timer stop count in idle mode
- . Program can modify the Watch-Dog-Timer scalar
- . Erase user EEPROM area at next download
- . Do not control 485 at next download
- . Do not check user password next download
- . ICE function is disabled
- . Reference voltage: 1187 mV (Range: 1100~1300mV)
- . Testing time: 2021-11-24
- MCU type: STC8H8K64U
- F/W version: 7.4.4U
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