PIC17C44-25/L Microchip Technology, PIC17C44-25/L Datasheet - Page 90

• Manufacturer Part Number: PIC17C44-25/L
• Description: IC MCU OTP 8KX16 PWM 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 17Cr

Specifications of PIC17C44-25/L

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Core Processor: PIC
• Speed: 25MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: OTP
• Ram Size: 454 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 6 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Controller Family/series: PIC17
• No. Of I/o's: 33
• Ram Memory Size: 454Byte
• Cpu Speed: 25MHz
• No. Of Timers: 4
• No. Of Pwm Channels: 2
• Embedded Interface Type: USART
• Rohs Compliant: Yes
• Processor Series: PIC17C
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 454 B
• Interface Type: SCI, USART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 4
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ICE2000
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164317 - MODULE SKT MPLAB PM3 44PLCCDVA17XL441 - DEVICE ADAPTER FOR PIC17C42A309-1007 - ADAPTER 44-PLCC ZIF TO 40-DIPAC174002 - MODULE SKT PROMATEII 44PLCC
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

PIC17C4X
FIGURE 13-5: ASYNCHRONOUS MASTER TRANSMISSION
FIGURE 13-6: ASYNCHRONOUS MASTER TRANSMISSION (BACK TO BACK)
TABLE 13-5:
DS30412C-page 90
Address
16h, Bank 1
13h, Bank 0
16h, Bank 0
17h, Bank 1
15h, Bank 0
17h, Bank 0
Legend: x = unknown, u = unchanged, - = unimplemented read as a '0', shaded cells are not used for asynchronous
Note 1: Other (non power-up) resets include: external reset through MCLR and Watchdog Timer Reset.
(RA5/TX/CK pin)
(RA5/TX/CK pin)
Write to TXREG
Write to TXREG
BRG output
(shift clock)
BRG output
(shift clock)
TRMT bit
TRMT bit
transmission.
TXIF bit
TXIF bit
Name
PIR
RCSTA
TXREG
PIE
TXSTA
SPBRG
TX
TX
REGISTERS ASSOCIATED WITH ASYNCHRONOUS TRANSMISSION
Note: This timing diagram shows two consecutive transmissions.
Serial port transmit register
Baud rate generator register
CSRC
SPEN
RBIF
RBIE
Bit 7
Transmit Shift Reg.
Word 1
Transmit Shift Reg
Word 1
Word 1
Word 1
TMR3IF TMR2IF TMR1IF
TMR3IE TMR2IE TMR1IE
Bit 6
RX9
TX9
Start Bit
Start Bit
Word 2
SREN
TXEN
Bit 5
Bit 0
CREN
SYNC
Bit 0
Bit 4
CA2IF
CA2IE
Bit 3
—
—
Bit 1
Word 1
Bit 1
Word 1
CA1IF
FERR
CA1IE
Bit 2
—
OERR
TRMT
Bit 1
TXIF
TXIE
Bit 7/8
Word 2
Transmit Shift Reg.
Bit 7/8
RX9D
TX9D
RCIF
RCIE
Bit 0
Stop Bit
1996 Microchip Technology Inc.
Stop Bit
0000 0010
0000 -00x
xxxx xxxx
0000 0000
0000 --1x
xxxx xxxx
Power-on
Value on
Reset
Start Bit
Word 2
other resets
Value on all
0000 0010
0000 -00u
uuuu uuuu
0000 0000
0000 --1u
uuuu uuuu
(Note1)
Bit 0