參數(shù)資料
型號: KSZ8863RLL-EVAL
廠商: Micrel Inc
文件頁數(shù): 52/106頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR KSZ8863RLL
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,以太網(wǎng) PHY
嵌入式:
已用 IC / 零件: KSZ8863RLL
已供物品:
相關(guān)產(chǎn)品: 576-3752-ND - IC ETHERNET SWITCH 3PORT 48-LQFP
576-3578-ND - IC ETHERNET SW 3PORT 48-LQFP
其它名稱: 576-3868
PIC16C72 Series
1998 Microchip Technology Inc.
Preliminary
DS39016A-page 49
8.4.1.2
RECEPTION
When the R/W bit of the address byte is clear and an
address match occurs, the R/W bit of the SSPSTAT
register is cleared. The received address is loaded into
the SSPBUF register.
When the address byte overow condition exists, then
no acknowledge (ACK) pulse is given. An overow con-
dition is dened as either bit BF (SSPSTAT<0>) is set
or bit SSPOV (SSPCON<6>) is set.
An SSP interrupt is generated for each data transfer
byte. Flag bit SSPIF (PIR1<3>) must be cleared in soft-
ware. The SSPSTAT register is used to determine the
status of the byte.
FIGURE 8-8:
I2C WAVEFORMS FOR RECEPTION (7-BIT ADDRESS)
P
9
8
7
6
5
D0
D1
D2
D3
D4
D5
D6
D7
S
A7 A6 A5 A4 A3 A2 A1
SDA
SCL
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
Bus Master
terminates
transfer
Bit SSPOV is set because the SSPBUF register is still full.
Cleared in software
SSPBUF register is read
ACK
Receiving Data
D0
D1
D2
D3
D4
D5
D6
D7
ACK
R/W=0
Receiving Address
SSPIF (PIR1<3>)
BF (SSPSTAT<0>)
SSPOV (SSPCON<6>)
ACK
ACK is not sent.
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