4
ABOV Semiconductor Co., Ltd.
1.2 Features
CPU
– 8-bit CISC core (M8051, 2 clocks per cycle)
ROM (FLASH) Capacity
– 4 Kbytes Flash with self read/write capability
– On Chip debug and In-System Programming(ISP)
– Endurance : 10,000 times
– Retention : 10 years
256bytes IRAM
General Purpose I/O (GPIO)
– Normal I/O : 18 Ports
(P0, P1, P2[1:0])
Timer/Counter
– Basic Interval Timer (BIT) 8-bit× 1-ch
– Watch Dog Timer (WDT) 8-bit × 1-ch
5kHz internal RC oscillator for WDT
– 8-bit× 1-ch(T0), 16-bit× 2-ch (T1/T2)
Programmable Pulse Generation
– Pulse generation (by T1/T2)
Watch Timer (WT)
– 3.91ms/0.25s/0.5s/1s /1min interval at 32.768kHz
USART
– 8Bit UART × 1ch, 8Bit SPI x 1ch
I2C
– 8-bit× 1-ch
12-bit A/D Converter
– 8 Input channels
16-Bit CRC/Checksum Generator
– Auto and User CRC/Checksum mode
Power On Reset
– Reset release level (1.4V)
Low Voltage Reset
– 14 level detect
(1.60/ 2.05/ 2.15/ 2.25/ 2.37/ 2.50/ 2.65/ 2.82/ 3.01/
3.22/ 3.47/ 3.76/ 4.10/ 4.51V)
Low Voltage Indicator
– 13 level detect
(2.05/ 2.15/ 2.25/ 2.37/ 2.50/ 2.65/ 2.82/ 3.01/ 3.22/
3.47/ 3.76/ 4.10/ 4.51V)
Interrupt Sources
– External Interrupts
(EINT0/1/10/11/12) (5)
– Timer(0/1/2) (3)
– WT (1)
– WDT (1)
– BIT (1)
– USART (2)
– I2C(1)
– ADC (1)
Internal RC Oscillator
– Low frequency: 200kHz ± 3.0% (TA = -20 to +85
C)
– High frequency: 8MHz ± 2.0% (TA = 0 to +50
C)
Power Down Mode
– STOP, IDLE mode
Operating Voltage and Frequency
– 1.8V~ 5.5V (@32 ~ 38kHz with X-tal)
– 1.8V ~ 5.5V (@ 0.4 ~ 4.2MHz with X-tal, Ceramic)
– 2.0V ~ 5.5V (@ 0.4 ~ 4.2MHz with X-tal, Crystal)
– 2.7V ~ 5.5V (@ 0.4 ~ 12.0MHz with X-tal)
– 1.8V ~ 5.5V (@ 0.5 ~ 8.0MHz with HFIRC)
– 1.8V ~ 5.5V (@ 25.0 ~ 200kHz with LFIRC)
– Voltage dropout converter included for core
Minimum Instruction Execution Time
– 167ns (@12MHz main clock)
– 61us (@ 32.768kHz sub clock)
Operating Temperature
– –40 ~ +85℃
Oscillator Type
– 0.4-12MHz Crystal or Ceramic for main clock
• Package Type
– 20 SOP/TSSOP
– 16 SOPN
– 10 SSOP
– 8 SOP
– Pb-free package