PIC14000-04I/SS Microchip Technology, PIC14000-04I/SS Datasheet - Page 72

• Manufacturer Part Number: PIC14000-04I/SS
• Description: IC, 8BIT MCU, PIC14, 4MHZ, SSOP-28
• Manufacturer: Microchip Technology

Specifications of PIC14000-04I/SS

• Controller Family/series: PIC14
• No. Of I/o's: 22
• Ram Memory Size: 192Byte
• Cpu Speed: 4MHz
• No. Of Timers: 2
• Interface: I2C
• Digital Ic Case Style: SSOP
• Core Size: 8 Bit
• Program Memory Size: 4096 X 14
• Embedded Interface Type: I2C
• Rohs Compliant: Yes
• Processor Series: PIC14000
• Core: PIC
• Data Bus Width: 8 bit
• Program Memory Type: EPROM
• Data Ram Size: 192 B
• Interface Type: SPI, UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 1
• Operating Supply Voltage: 2.7 V to 6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Development Tools By Supplier: ICE2000
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 14 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC14000
FIGURE 9-6:
FIGURE 9-7:
DS40122B-page 72
B7-B0
9Bh
PREFA
Read/Write
POR value 00h
B7-B0
9Ch
PREFB
Read/Write
POR value 00h
Bit
Bit
PREFA REGISTER
Name
PREFB REGISTER
Name
PRA7
PRA6
PRA5
PRA4
PRA3
PRA2
PRA1
PRA0
PRB7
PRB6
PRB5
PRB4
PRB3
PRB2
PRB1
PRB0
PRA7
PRB7
Bit 7
Bit 7
R/W
R/W
0
0
PRA6
PRB6
Bit 6
Bit 6
R/W
R/W
0
0
PRA5
PRB5
Bit 5
Bit 5
R/W
R/W
0
0
Programmable Reference A Voltage Select Bits.
Programmable Reference B Voltage Select Bits.
Preliminary
See Table 9-1 and Table 9-2 for decoding.
See Table 9-1 and Table 9-2 for decoding.
PRA4
PRB4
Bit 4
Bit 4
R/W
R/W
0
0
Function
Function
PRA3
PRB3
Bit 3
Bit 3
R/W
R/W
0
0
PRA2
PRB2
Bit 2
Bit 2
R/W
R/W
0
0
1996 Microchip Technology Inc.
PRA1
PRB1
Bit 1
R/W
Bit 1
R/W
0
0
PRA0
PRB0
Bit 0
R/W
Bit 0
R/W
0
0