PIC16C74A-20I/L Microchip Technology, PIC16C74A-20I/L Datasheet - Page 55

• Manufacturer Part Number: PIC16C74A-20I/L
• Description: IC MCU OTP 4KX14 A/D PWM 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C74A-20I/L

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Number Of I /o: 33
• Program Memory Type: OTP
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Data Converters: A/D 8x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Controller Family/series: PIC16C
• No. Of I/o's: 33
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Processor Series: PIC16C
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 192 B
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000, DM163022
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 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
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

FIGURE 5-12: PARALLEL SLAVE PORT WRITE WAVEFORMS
FIGURE 5-13: PARALLEL SLAVE PORT READ WAVEFORMS
TABLE 5-11:
Address Name
08h
09h
89h
0Ch
8Ch
9Fh
Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used by the Parallel Slave Port.
PORTD<7:0>
PORTD<7:0>
1997 Microchip Technology Inc.
PSPIF
PSPIF
OBF
OBF
CS
WR
RD
IBF
CS
WR
RD
IBF
PORTD
PORTE
TRISE
PIR1
PIE1
ADCON1
REGISTERS ASSOCIATED WITH PARALLEL SLAVE PORT
Port data latch when written: Port pins when read
PSPIF ADIF RCIF
PSPIE ADIE RCIE
Q1
Q1
Bit 7
IBF
—
—
Q2
Q2
Bit 6
OBF
—
—
IBOV PSPMODE
Bit 5
Q3
Q3
—
—
Q4
Q4
TXIE
Bit 4
TXIF
—
—
Q1
Q1
SSPIF
SSPIE
Bit 3
—
—
—
Q2
Q2
PORTE Data Direction Bits
CCP1IF
CCP1IE
PCFG2
Bit 2
RE2
Q3
Q3
TMR2IE
TMR2IF
PCFG1
Bit 1
RE1
Q4
Q4
TMR1IF
TMR1IE
PCFG0
Q1
Q1
Bit 0
RE0
Q2
Q2
PIC16C7X
xxxx xxxx
---- -xxx
0000 -111
0000 0000
0000 0000
---- -000
Value on:
POR,
BOR
Q3
Q3
DS30390E-page 55
other resets
Value on all
uuuu uuuu
---- -uuu
0000 -111
0000 0000
0000 0000
---- -000
Q4
Q4