PIC16C774 Microchip Technology Inc., PIC16C774 Datasheet - Page 66

• Manufacturer Part Number: PIC16C774
• Description: 28/40-pin, 8-bit Cmos Microcontrollers W/ 12-bit A/d
• Manufacturer: Microchip Technology Inc.

PIC16C77X
FIGURE 8-13: I
DS30275A-page 66
SDA
SCL
SSPIF
BF (SSPSTAT<0>)
CKP (SSPCON<4>)
S
A7
1
Data in
sampled
2
C WAVEFORMS FOR TRANSMISSION (7-BIT ADDRESS)
A6
2
A5
Receiving Address
3
A4
4
A3
5
A2
6
A1
7
Advance Information
R/W = 1
8
9
ACK
responds to SSPIF
while CPU
SCL held low
D7
1
SSPBUF is written in software
D6
cleared in software
2
Set bit after writing to SSPBUF
(the SSPBUF must be written-to
before the CKP bit can be set)
D5
3
D4
4
Transmitting Data
D3
5
1999 Microchip Technology Inc.
D2
6
From SSP interrupt
service routine
D1
7
D0
8
Not ACK
R/W = 0
9
P