產品描述
MK7A23P是帶15位A/D轉換器的RISC高性能8位微控制器。它內部包含2K字節的一次性可編程只讀存儲器、128字節數據存儲器、定時器/計數器、捕捉、中斷、LVR(低電壓復位)、I/O口和PWM輸出。
Feature
ROM size: 2K x 16 bits
-RAM: 51 x 8 bits(Special Purpose Register)+ 128 x 8 (General Purpose Register)
-STACK: 8 Levels
-One instruction is built by two systemsclock.??
-Reset mode:
(a) Power-On reset
(b) Low voltage reset
(c) RESETB/PB2 (if be set as reset pin) inputa negative pulse.
(d) Watchdog timer count overflow reset??
Dual Clock Mode
- External RC or Crystal oscillator
- Internal 4MHZ RC oscillator
Timer/counter: 5 units count up counter.
- TM0: 16-bit Timer(up-counter)
- TM1: 8-bit, PWM1(Period) & Timer
- TM2: 8-bit, PWM1(Duty) & Timer
- TM3: 8-bit, PWM2(Period) & Timer.
- TM4: 8-bit, PWM2(Duty) & Timer.
- TO : PWM2 cycle/2 output
Watchdog Timer: On chip WDT is based onan internal RC oscillator (for WDT usedonly). Have 8 period can be selected.
Usercan extend the WDT overflow period by using prescaler.
Interrupt events:
(a) External interrupt (PA7~PA0).
(b) Internal timer/event counter interrupt(TM0~TM4, PWM1, PWM2).
(c) ADC end of conversion interrupt
(d) Comparators compare result activated interrupt.
I/O port: 29 pins
4 Comparator sets which are shared pin with I/O port
PWM: two channels with 8 bit x 8 bit resolution
ADC: max 15-bit and 12 channels, at least 12-bit resolution. It can work at converter mode or compare mode by register
setting
Wake-up mode:
- Port A (PA7~PA0) pin change wakeup -
- WDT overflow
- i_WDT overflow
500O :500KHZ Clock Out (Adjustable)
CLO : System Clock Out
Operating voltage range2.2V ~ 5.5V
Operating temperature range-40 ℃ ~ + 85 ℃
會員信息
深圳市天凌電子有限公司 |
國家/地區︰ | 广东省深圳市 |
經營性質︰ | 貿易商 |
聯繫電話︰ | 18319381350 |
聯繫人︰ | Tony (業務) |
最後上線︰ | 2013/05/20 |