PIC16F874-20/L Microchip Technology, PIC16F874-20/L Datasheet - Page 658

• Manufacturer Part Number: PIC16F874-20/L
• Description: IC MCU FLASH 4KX14 EE 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874-20/L

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 192 B
• Interface Type: MSSP, PSP, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164309 - MODULE SKT FOR PM3 44PLCC444-1001 - DEMO BOARD FOR PICMICRO MCUDVA16XL441 - ADAPTER DEVICE ICE 44PLCC309-1040 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1039 - ADAPTER 44-PLCC TO 40-DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Lead Free Status / Rohs Status: Details

PICmicro MID-RANGE MCU FAMILY
DS31034A-page 34-6
For 10-bit address:
A master transmitter addresses a slave receiver
with a 10-bit address.
S
(Code + A9:A8)
Slave Address
(write)
Figure A-6
sequences.
Figure A-6:
Figure A-7:
A master reads a slave immediately after the first byte.
For 7-bit address:
S
From slave to master
From master to slave
Slave Address
R/W A1 Slave Address
'1' (read)
A master transmitter addresses a slave receiver
with a 10-bit address.
For 10-bit address:
A master transmitter addresses a slave receiver with a
7-bit address. The transfer direction is not changed.
For 7-bit address:
and
S
S
(Code + A9:A8)
Slave Address
Slave Address R/W A Data A Data A/A P
From slave to master
From master to slave
Master-Transmitter Sequence
Master-Receiver Sequence
Figure A-7
(A7:A0)
'0' (write)
R/W A Data A Data
(write)
(n bytes - acknowledge)
show Master-transmitter and Master-receiver data transfer
R/W A1 Slave Address
data transferred
A = acknowledge (SDA low)
A = not acknowledge (SDA high)
S = Start Condition
P = Stop Condition
A2
Sr
(n bytes - acknowledge)
(Code + A9:A8)
Slave Address
data transferred
A = acknowledge (SDA low)
A = not acknowledge (SDA high)
S = Start Condition
P = Stop Condition
(A7:A0)
A
(read)
P
A2 Data A
R/W A3
1997 Microchip Technology Inc.
Data A
Data
A/A
Data
P
A
P