PIC18C452/JW Microchip Technology, PIC18C452/JW Datasheet - Page 53

• Manufacturer Part Number: PIC18C452/JW
• Description: IC MCU EPROM 16KX16 A/D 40CDIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Cr

Specifications of PIC18C452/JW

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: EPROM, UV
• 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: 0°C ~ 70°C
• Package / Case: 40-CDIP (0.600", 15.24mm) Window
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

If an indirect addressing operation is done where the
target address is an FSRnH or FSRnL register, the
write operation will dominate over the pre- or post-
increment/decrement functions.
FIGURE 4-9:
FIGURE 4-10:
2001 Microchip Technology Inc.
Note 1: For register file map detail, see Table 4-1.
11
INDIRECT ADDRESSING OPERATION
INDIRECT ADDRESSING
Location Select
Indirect Addressing
Instruction
Executed
Instruction
Fetched
FSR Register
Opcode
Opcode
Data
Memory
BSR<3:0>
(1)
4
Address
File
12
8
12
0000h
0FFFh
0
File Address = access of an indirect addressing register
12
FSR
RAM
0h
FFFh
PIC18CXX2
DS39026C-page 51