Datasheet > SM89S16R1_06

SM89S16R1_06

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
新茂 - SYNCMOS		闪存微控制器光电二极管
页数	文件大小	规格书
29页	695K
描述
8-Bits Micro-controller With 64KB Flash ROM & 1KB RAM & RTC & ADC & PWM & PDWU embedded

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中文翻译

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数据手册

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SM89S16R1_06 数据手册

SyncMOS Technologies International, Inc.

SM89S16R1

8-Bits Micro-controller

With 64KB Flash ROM & 1KB RAM & RTC & ADC & PWM & PDWU embedded

Pin Description

MNEMONIC

PDIP 40 pin

PQFP 44 Pin PLCC 44 pin

Names and Functions

VDD

Power supply:

+5V or +3.3V power supply pin during normal operations

and power saving modes.

P0.0 – P0.7

39,38,37,36

35,34,33,32

37,36,35,34

33,32,31,30

43,42,41,40

39,38,37,36

Port 0:

Port 0 is an open-drain, bidirectional I/O port. Port 0 pins

that have 1s written to them become floating and can be

used as high- impedance inputs. Port 0 is also the

multiplexed low-order address and data bus during accesses

to external program and data memory. In this application, it

uses strong internal pull-ups when emitting 1s.

Port Pin

P0.0

Alternative function

AD0

AD1

AD2

AD3

AD4

AD5

AD6

AD7

P0.1

P0.2

P0.3

P0.4

P0.5

P0.6

P0.7

P1.0 – P1.7

1,2,3,4,

5,6,7,8

40,41,42,43,

44,1,2,3

2,3,4,5,

6,7,8,9

Port 1:

An 8-bits bidirectional I/O port with internal pull-ups on all

pins. Port 1 pins that have 1s written to them are pulled high

by the internal pull-ups and can be used as inputs. As inputs,

port 1 pins that are externally pulled low will source current

because of the internal pull-ups. (See DC Electrical

Characteristics: IIL).

Port Pin

P1.0

Alternative function

T2: TIMER2 clock output

P1.1

T2EX: TIMER2 reload/capture DIR.

PWM0: PWM channel 0 output

PWM1: PWM channel 1 output

P1.4

P1.5

RST

Reset:

A high on this pin for two machine cycles while the

oscillator is running, resets the device. An internal resistor to

VSS permits a power-on reset using only an external

capacitor to VCC.

P2.0 – P2.7

21,22,23,24,

25,26,27,28

18,19,20,21

22,23,24,25

24,25,26,27,

28,29,30,31

Port 2:

Port 2 is an 8-bits bidirectional I/O port with internal

pull-ups. Port 2 pins that have 1s written to them are pulled

high by the internal pull-ups and can be used as inputs. As

inputs, port 2 pins that are externally being pulled low will

source current because of the internal pull-ups. (See DC

Electrical Characteristics: IIL). Port 2 emits the high-order

address byte during fetches from external program memory

and during accesses to external data memory that uses

16-bits addresses (MOVX @DPTR). In this application, it

uses strong internal pull-ups when emitting 1s. During

accesses to external data memory that uses 8-bits addresses

(MOV @Ri), port 2 emits the contents of the P2 special

function register.

Port Pin

P2.0

P2.1

P2.2

P2.3

P2.4

P2.5

P2.6

P2.7

Alternative function

A10

A11

A12/ADC0

A13/ADC1

A14/ADC2

A15/ADC3

MNEMONIC

PDIP 40 pin

PQFP 44 Pin PLCC 44 pin

Names and Functions

Specifications subject to change without notice contact your sales representatives for the most recent information.

Ver 2.1 SM89S16R1 08/2006

1 2 345 6 7...29

中文翻译

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