SM89T16R1 Datasheet, PDF (3/34 Pages) SyncMOS Technologies,Inc – 8-Bits Micro-controller With 64KB Flash ROM & IKB RAM & Two UART & RTC & ADC & PWM embedded

SyncMOS Technologies Inc.
SM89T16R1
8-Bits Micro-controller
With 64KB Flash ROM & IKB RAM & Two UART & RTC & ADC & PWM embedded
Block Diagram
Xtal1
Xtal2
EA
ALE
PSEN
(3)
RD
WR ⁽³⁾
CPU
(3) (3)
(1) ⁽¹⁾
(1) (1) (1) (1) ^{(1) (1) (1) (1)}
Int-RAM
UART 256x8
FLASH
UART1 64Kx8
Ext-RAM
1024x8 PWM
Timer2
Expand
Interrupt/
Wake Up
C51
CORE
iBUS
Timer0
Timer1
INT /
PDWU
RTC
Parallel I/O ports & Ext. Bus ADC
Port0
Port1
Port2
Port3 _Port4
(3) (3) (3) (3) _{(4) (4)}
(2) (2) (2) (2)
Notes:
(1): Alternate function of P1
(2): Alternate function of P2
(3): Alternate function of P3
(4): Alternate function of ALE, PSEN
Specifications subject to change without notice contact your sales representatives for the most recent information.
SM89T16R1 V1.0 JANUARY 2005
3