PIC18C452-I/L Microchip Technology, PIC18C452-I/L Datasheet - Page 169

• Manufacturer Part Number: PIC18C452-I/L
• Description: IC MCU OTP 16KX16 A/D 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 18Cr

Specifications of PIC18C452-I/L

• Core Size: 8-Bit
• Program Memory Size: 32KB (16K x 16)
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Number Of I /o: 33
• Program Memory Type: OTP
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 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: PIC18
• No. Of I/o's: 34
• Ram Memory Size: 1.5KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Package: 44PLCC
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 34
• Interface Type: I2C/SPI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 4
• Processor Series: PIC18C
• Core: PIC
• Data Ram Size: 1.5 KB
• Maximum Clock Frequency: 40 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: ICE2000, DM163022, DV164136
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3DB18C452 - BOARD DAUGHTER ICEPIC3AC164309 - MODULE SKT FOR PM3 44PLCC444-1001 - DEMO BOARD FOR PICMICRO MCUDVA16XL441 - ADAPTER DEVICE ICE 44PLCCDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

The analog reference voltage is software selectable to
either the device’s positive and negative supply voltage
(V
V
The A/D converter has a unique feature of being able
to operate while the device is in SLEEP mode. To oper-
ate in SLEEP, the A/D conversion clock must be
derived from the A/D’s internal RC oscillator.
The output of the sample and hold is the input into the
converter, which generates the result via successive
approximation.
A device RESET forces all registers to their RESET
state. This forces the A/D module to be turned off and
any conversion is aborted.
FIGURE 16-1:
REF
DD
2000 Microchip Technology Inc.
+ pin and RA2/AN2/V
and V
Converter
10-bit
SS
A/D
) or the voltage level on the RA3/AN3/
Reference
voltage
A/D BLOCK DIAGRAM
REF
-.
V
V
REF
REF
-
+
(Input Voltage)
V
AIN
PCFG0
V
DD
V
Each port pin associated with the A/D converter can be
configured as an analog input (RA3 can also be a volt-
age reference) or as a digital I/O.
The ADRESH and ADRESL registers contain the result
of the A/D conversion. When the A/D conversion is
complete, the result is loaded into the ADRESH/
ADRESL registers, the GO/DONE bit (ADCON0<2>) is
cleared, and A/D interrupt flag bit ADIF is set. The block
diagram of the A/D module is shown in Figure 16-1.
SS
CHS2:CHS0
111
110
101
100
011
010
001
000
PIC18CXX2
DS39026C-page 167
AN1
AN7
AN2
AN0
AN6
AN5
AN4
AN3