P87C552SBAA 参数 Datasheet PDF下载

型号：	P87C552SBAA
PDF下载：	下载PDF文件查看货源
内容描述：	80C51的8位微控制器8K / 256 OTP ， 8通道10位A / D ， I2C ， PWM ，捕获/比较，高I / O，低电压2.7V.5.5V ，低功耗 [80C51 8-bit microcontroller 8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, low voltage 2.7V.5.5V, low power]
分类和应用：	微控制器和处理器外围集成电路可编程只读存储器时钟
文件页数/大小：	74 页 / 370 K
品牌：	NXP [ NXP ]

Philips Semiconductors

Preliminary specification

80C51 8-bit microcontroller

8K/256 OTP, 8 channel 10 bit A/D, I²C, PWM,

capture/compare, high I/O, low voltage (2.7V–5.5V), low power

P87C552

!********************************************************************************************************

! SI01 EQUATE LIST

!********************************************************************************************************

! LOCATIONS OF THE SI01 SPECIAL FUNCTION REGISTERS

!********************************************************************************************************

00D8

00D9

00DA

00DB

S1CON

S1STA

S1DAT

S1ADR

–0xd8

–0xd9

–0xda

–0xdb

00A8

00B8

IEN0

IP0

–0xa8

–02b8

!********************************************************************************************************

! BIT LOCATIONS

!********************************************************************************************************

00DD

00BD

STA

SI01HP

–0xdd

–0xbd

! STA bit in S1CON

! IP0, SI01 Priority bit

!********************************************************************************************************

! IMMEDIATE DATA TO WRITE INTO REGISTER S1CON

!********************************************************************************************************

00D5

00C5

00C1

00E5

ENS1_NOTSTA_STO_NOTSI_AA_CR0

ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0

ENS1_NOTSTA_NOTSTO_NOTSI_NOTAA_CR0

ENS1_STA_NOTSTO_NOTSI_AA_CR0

–0xd5

–0xc5

–0xc1

–0xe5

! Generates STOP

! (CR0 = 100kHz)

! Releases BUS and

! ACK

! Releases BUS and

! NOT ACK

! Releases BUS and

! set STA

!********************************************************************************************************

! GENERAL IMMEDIATE DATA

!********************************************************************************************************

0031

00A0

OWNSLA –0x31

! Own SLA+General Call

! must be written into S1ADR

! EA+ES1, enable SIO1 interrupt

! must be written into IEN0

! select PAG1 as HADD

! SLA+W to be transmitted

! SLA+R to be transmitted

! Select Register Bank 3

ENSI01

–0xa0

0001

00C0

00C1

0018

PAG1

SLAW

SLAR

–0x01

–0xc0

–0xc1

SELRB3 –0x18

!********************************************************************************************************

! LOCATIONS IN DATA RAM

!********************************************************************************************************

0030

0038

0040

0048

MTD

MRD

SRD

STD

–0x30

–0x38

–0x40

–0x48

! MST/TRX/DATA base address

! MST/REC/DATA base address

! SLV/REC/DATA base address

! SLV/TRX/DATA base address

0053

BACKUP

–0x53

! Backup from NUMBYTMST

! To restore NUMBYTMST in case

! of an Arbitration Loss.

! Number of bytes to transmit

! or receive as MST.

! Contains SLA+R/W to be

! transmitted.

! High Address byte for STATE 0

! till STATE 25.

0052

0051

0050

NUMBYTMST –0x52

SLA

–0x51

–0x50

HADD

1999 Mar 30

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P87C552SBAA 参数 Datasheet PDF下载

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