PIC16LF877A-I/L Microchip Technology, PIC16LF877A-I/L Datasheet - Page 45

• Manufacturer Part Number: PIC16LF877A-I/L
• Description: IC MCU FLASH 8KX14 EE A/D 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16LF877A-I/L

• Core Size: 8-Bit
• Program Memory Size: 14KB (8K x 14)
• Core Processor: PIC
• Speed: 10MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Controller Family/series: PIC16LF
• No. Of I/o's: 33
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 368Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PIC16LF877AI/L

TABLE 4-1:
TABLE 4-2:
 2003 Microchip Technology Inc.
05h
85h
9Ch
9Dh
9Fh
Legend:
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI/C1OUT
RA5/AN4/SS/C2OUT
Legend: TTL = TTL input, ST = Schmitt Trigger input
Address
Note:
Name
PORTA
TRISA
CMCON
CVRCON
ADCON1
x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.
When using the SSP module in SPI Slave mode and SS enabled, the A/D converter must be set to one of
the following modes, where PCFG3:PCFG0 = 0100, 0101, 011x, 1101, 1110, 1111.
Name
REF
REF
-/CV
+
PORTA FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
REF
C2OUT
CVREN CVROE
ADFM
Bit 7
—
—
Bit#
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
C1OUT
ADCS2
Bit 6
—
—
Buffer
TTL
TTL
TTL
TTL
TTL
ST
PORTA Data Direction Register
C2INV
CVRR
Bit 5
RA5
—
Input/output or analog input.
Input/output or analog input.
Input/output or analog input or V
Input/output or analog input or V
Input/output or external clock input for Timer0 or comparator output.
Output is open-drain type.
Input/output or analog input or slave select input for synchronous serial
port or comparator output.
C1INV
Bit 4
RA4
—
—
PCFG3
CVR3
Bit 3
RA3
CIS
PCFG2
CVR2
Bit 2
CM2
RA2
PCFG1
Function
CVR1
REF
REF
Bit 1
CM1
RA1
- or CV
+.
PCFG0 00-- 0000
PIC16F87XA
CVR0
Bit 0
CM0
RA0
REF
.
--0x 0000
--11 1111
0000 0111
000- 0000
POR, BOR
Value on:
DS39582B-page 43
--0u 0000
--11 1111
0000 0111
000- 0000
00-- 0000
Value on
all other
Resets