PIC18C252-E/SO Microchip Technology, PIC18C252-E/SO Datasheet - Page 132

• Manufacturer Part Number: PIC18C252-E/SO
• Description: IC MCU OTP 16KX16 A/D 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Cr

Specifications of PIC18C252-E/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: OTP
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: PIC18C
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1.5 KB
• Interface Type: MSSP, SPI, I2C, USART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 1 x 16 bit
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: ICE2000, DM163022, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5 bit
• For Use With: I3DB18C452 - BOARD DAUGHTER ICEPIC3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: PIC18C252E/SO

PIC18CXX2
FIGURE 14-8:
FIGURE 14-9:
DS39026C-page 130
SDA
SCL
SSPIF
BF (SSPSTAT<0>)
CKP (SSPCON1<4>)
SDA
SCL
SSPIF
BF (SSPSTAT<0>)
SSPOV (SSPCON1<6>)
S
S
A7 A6 A5 A4 A3 A2 A1
1
A7
2
1
Data in
sampled
Receiving Address
3
A6
2
I
I
2
4
2
C SLAVE MODE WAVEFORMS FOR RECEPTION (7-BIT ADDRESS)
C SLAVE MODE WAVEFORMS FOR TRANSMISSION (7-BIT ADDRESS)
A5
Receiving Address
3
5
A4
4
6
7
A3
R/W=0
5
8
A2
6
ACK
9
A1
7
D7
1
D6
R/W = 1
2
8
Cleared in software
SSPBUF register is read
Receiving Data
D5
3
9
ACK
D4
Bit SSPOV is set because the SSPBUF register is still full.
responds to SSPIF
4
while CPU
SCL held low
D3
5
D2
6
D1
7
D7
D0
1
SSPBUF is written in software
8
ACK
D6
9
Cleared in software
2
Set bit after writing to SSPBUF
(the SSPBUF must be written to
before the CKP bit can be set)
D7
1
D5
3
D6
2
D4
4
D5
Receiving Data
3
Transmitting Data
D3
D4
4
5
ACK is not sent.
D3
2001 Microchip Technology Inc.
D2
5
6
D2
6
From SSP Interrupt
Service Routine
D1
7
D1
7
D0
8
D0
8
Not ACK
R/W = 0
Not ACK
9
9
Bus Master
terminates
transfer
P
P