PIC16HV540-04/P Microchip Technology, PIC16HV540-04/P Datasheet - Page 11

• Manufacturer Part Number: PIC16HV540-04/P
• Description: IC MCU OTP 512X12 18DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16HV540-04/P

• Core Size: 8-Bit
• Program Memory Size: 768B (512 x 12)
• Core Processor: PIC
• Speed: 4MHz
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 12
• Program Memory Type: OTP
• Ram Size: 25 x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 15 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 18-DIP (0.300", 7.62mm)
• Controller Family/series: PIC16HV
• No. Of I/o's: 12
• Ram Memory Size: 25Byte
• Cpu Speed: 4MHz
• No. Of Timers: 1
• Digital Ic Case Style: DIP
• Processor Series: PIC16H
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 25 B
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 8
• Operating Supply Voltage: 3.5 V to 15 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164001 - MODULE SKT PROMATEII 18/28DIP
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

4.0
PIC16HV540 memory is organized into program mem-
ory and data memory. For devices with more than 512
bytes of program memory, a paging scheme is used.
Program memory pages are accessed using one or two
STATUS register bits. For devices with a data memory
register file of more than 32 registers, a banking
scheme is used. Data memory banks are accessed
using the File Selection Register (FSR).
4.1
The PIC16HV540 has a 9-bit Program Counter (PC)
capable of addressing a 512 x 12 program memory
space (Figure 4-1). Accessing a location above the
physically implemented address will cause a wrap-
around.
The reset vector for the PIC16HV540 is at 1FFh. A
NOP at the reset vector location will cause a restart at
location 000h.
FIGURE 4-1:
4.2
Data memory is composed of registers, or bytes of
RAM. Therefore, data memory for a device is specified
by its register file. The register file is divided into two
functional groups: special function registers and
general purpose registers.
The special function registers include the TMR0 regis-
ter, the Program Counter (PC), the Status Register, the
I/O registers (ports), and the File Select Register
(FSR). In addition, special purpose registers are used
to control the I/O port configuration and prescaler
options.
The general purpose registers are used for data and
control information under command of the instructions.
For the PIC16HV540, the register file is composed of
10 special function registers and 25 general purpose
registers (Figure 4-2).
2000 Microchip Technology Inc.
CALL, RETLW
MEMORY ORGANIZATION
Program Memory Organization
Data Memory Organization
PIC16HV540 PROGRAM
MEMORY MAP AND STACK
Stack Level 1
Stack Level 2
Stack Level 3
Stack Level 4
Reset Vector
Program
PC<8:0>
On-chip
Memory
9
000h
0FFh
100h
1FFh
Preliminary
4.2.1
The register file is accessed either directly or indirectly
through the file select register FSR (Section 4.8).
FIGURE 4-2:
4.2.2
The Special Function Registers are registers used by
the CPU and peripheral functions to control the opera-
tion of the device (Table 4-1).
The special registers can be classified into two sets.
The special function registers associated with the
“core” functions are described in this section. Those
related to the operation of the peripheral features are
described in the section for each peripheral feature.
GENERAL PURPOSE REGISTER FILE
File Address
SPECIAL FUNCTION REGISTERS
Note 1:
0Fh
1Fh
00h
01h
02h
03h
04h
05h
06h
07h
08h
10h
PIC16HV540 REGISTER FILE
MAP
Not a physical register.
PIC16HV540
STATUS
Registers
PORTA
PORTB
Purpose
INDF
General
TMR0
PCL
FSR
(1)
DS40197B-page 11