PIC18F87J72-I/PT Microchip Technology, PIC18F87J72-I/PT Datasheet - Page 451

• Manufacturer Part Number: PIC18F87J72-I/PT
• Description: IC PIC MCU 8BIT 14KB FLSH 80TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F87J72-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 128KB (64K x 16)
• Package / Case: 80-TQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, LVD, POR, PWM, WDT
• Number Of I /o: 51
• Ram Size: 3.8K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 12x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, USART, SPI, I2C
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 51
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 14
• Controller Family/series: PIC18F
• No. Of I/o's: 51
• Ram Memory Size: 3923Byte
• Cpu Speed: 48MHz
• No. Of Timers: 4
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

B.5.6
In this SPI mode, the clock Idles low. For the AFE, this
means that there will be a rising edge before there is a
falling edge.
FIGURE B-9:
FIGURE B-10: DEVICE WRITE (SPI MODE 0,0 – CLOCK IDLES LOW)
 2010 Microchip Technology Inc.
CS
SCK
SDI
SDO
CS
SCK
SDI
SDO
Bits on the Rising Edge
Bits on the Rising Edge
SPI MODE 0,0 - CLOCK IDLE LOW,
READ/WRITE EXAMPLES
Data Transitions on
Data Transitions on
HI-Z
the Falling Edge
HI-Z
the Falling Edge
AFE Latches
DEVICE READ (SPI MODE 0,0 – CLOCK IDLES LOW)
AFE Latches
A6 A5 A4 A3 A2 A1
A6 A5 A4 A3 A2 A1 A0
HI-Z
A0
R/W
R/W
D7
D7
Preliminary
(ADDRESS) DATA
(ADDRESS) DATA
D6 D5 D4 D3 D2 D1
D6 D5 D4 D3 D2 D1
HI-Z
PIC18F87J72 FAMILY
D0
D0
D7
D7
(ADDRESS + 1) DATA
(ADDRESS + 1) DATA
D6 D5 D4 D3 D2 D1
D6 D5 D4 D3 D2 D1
D0
D0
D7 OF (ADDRESS + 2) DATA
D7 OF (ADDRESS + 2) DATA
DS39979A-page 451
HI-Z
HI-Z