PIC16F88-I/SO Microchip Technology Inc., PIC16F88-I/SO Datasheet - Page 54

• Manufacturer Part Number: PIC16F88-I/SO
• Description: 18 PIN, 7 KB FLASH, 368 RAM, 16 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F88-I/SO

• A/d Inputs: 7-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 16
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 18-pin SOIC
• Programmable Memory: 7K Bytes
• Ram Size: 368 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F87/88
TABLE 5-2:
FIGURE 5-1:
DS30487C-page 52
05h
85h
9Fh
9Bh
Legend:
Note 1:
Address
2:
3:
4:
PORTA
TRISA
ADCON1
ANSEL
x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.
This value applies only to the PIC16F87.
This value applies only to the PIC16F88.
Pin 5 is an input only; the state of the TRISA5 bit has no effect and will always read ‘1’.
PIC16F88 device only.
Name
Data
Bus
WR
PORTA
WR
TRISA
(4)
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
TRISA7 TRISA6 TRISA5
To A/D Module Channel Input (PIC16F88 only)
To Comparator
ADFM
RD PORTA
Bit 7
BLOCK DIAGRAM OF RA0/AN0:RA1/AN1 PINS
RA7
—
D
D
TRIS Latch
Data Latch
CK
CK
ADCS2
ANS6
RD TRISA
Bit 6
RA6
Q
Q
Q
Q
VCFG1
ANS5
Bit 5
RA5
(3)
PORTA Data Direction Register
VCFG0
ANS4
Bit 4
RA4
ANS3
Bit 3
RA3
—
Q
EN
ANS2
Bit 2
RA2
—
D
Input Mode
ANS1
Bit 1
RA1
—
Analog
Input Buffer
ANS0
Bit 0
RA0
—
V
V
P
N
TTL
DD
SS
V
 2005 Microchip Technology Inc.
DD
xxxx 0000
xxx0 0000
1111 1111
0000 ----
-111 1111
POR, BOR
Value on
I/O pin
(1)
(2)
uuuu 0000
uuu0 0000
1111 1111
0000 ----
-111 1111
Value on
all other
Resets
(1)
(2)