PIC14000-04I/SS Microchip Technology, PIC14000-04I/SS Datasheet - Page 33

• 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

FIGURE 5-10: BLOCK DIAGRAM OF PORTD<1:0> PINS
FIGURE 5-11: PORTD DATA REGISTER
Legend: U = unimplemented, read as ‘0’, x = unknown.
08h
PORTD
Read/Write
POR value xxh
B7
B6
B5
B4
B3
B2
B1
B0
1996 Microchip Technology Inc.
Bit
Note: I/O pins have protection diodes to V
RD7/AN7
RD6/AN6
RD5/AN5
RD4/AN4
RD3/REFB
RD2/CMPB
RD1/SDAB
RD0/SCLB
RD7/AN7 RD6/AN6 RD5/AN5 RD4/AN4
Bit 7
R/W
X
Name
PORTD
TRISD
Read
PortD
Write
Write
Bit 6
R/W
Data
Bus
X
GPIO or analog input. Returns value on pin RD7/AN7 when used as a digital
input. When configured as an analog input, reads as ‘0’.
GPIO or analog input. Returns value on pin RD6/AN6 when used as a digital
input. When configured as an analog input, reads as ‘0’.
GPIO or analog input. This pin can connect to a level shift network. If
enabled, a +0.5V offset is added to the input voltage. When configured as
an analog input, reads as ‘0’.
GPIO or analog input. Returns value on pin RD4/AN4 when used as a digital
input. When configured as an analog input, reads as ‘0’.
This pin can serve as a GPIO, or programmable reference B output.
This pin can serve as a GPIO, or comparator B output.
Alternate synchronous serial data I/O for I
the I
purpose I/O. This pin has an N-channel pull-up to VDD which is disabled in
I
Alternate synchronous serial clock for I
I
pose I/O. This pin has an N-Channel pull-up to VDD which is disabled in I
mode.
2
2
C mode.
CSEL bit in the MISC register. This pin can also serve as a general pur-
Bit 5
Function
R/W
D
CK Q
D
CK Q
X
2
CSEL bit in the MISC register. This pin can also serve as a general
TRISD
Read
Q
Q
I
2
Preliminary
CCON<5>
DD
Bit 4
R/W
and V
X
SS
Q
. These pins do not have a P-channel pull-up.
Schmitt Trigger
EN
RD3/REFB
Input Buffer
D
Bit 3
R/W
X
V
SS
V
N
N
DD
RD2/CMPB RD1/SDAB RD0/SCLB
2
C interface, enabled by setting the
Bit 2
R/W
I/O
Pin
X
2
C interface enabled by setting
PIC14000
Bit 1
R/W
X
DS40122B-page 33
Bit 0
R/W
X
2
C