PIC16C73A-04/SP Microchip Technology Inc., PIC16C73A-04/SP Datasheet - Page 151
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
PIC16C73A-04/SP
Manufacturer Part Number
PIC16C73A-04/SP
Description
28 PIN, 7 KB OTP, 192 RAM, 22 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16C73A-04SP.pdf
(289 pages)
Specifications of PIC16C73A-04/SP
A/d Inputs
5-Channel, 8-Bit
Cpu Speed
5 MIPS
Eeprom Memory
0 Bytes
Input Output
22
Interface
I2C/SPI/USART
Memory Type
OTP
Number Of Bits
8
Package Type
28-pin SPDIP
Programmable Memory
7K Bytes
Ram Size
192 Bytes
Speed
4 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2.5-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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BTFSS
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example
1997 Microchip Technology Inc.
If Skip:
Bit Test f, Skip if Set
[ label ] BTFSS f,b
0
0
skip if (f<b>) = 1
None
If bit 'b' in register 'f' is '0' then the next
instruction is executed.
If bit 'b' is '1', then the next instruction is
discarded and a NOP is executed
instead, making this a 2T
1
1(2)
Before Instruction
After Instruction
(2nd Cycle)
Operation
Decode
HERE
FALSE
TRUE
Q1
Q1
01
No-
f
b < 7
127
PC =
if FLAG<1> = 0,
PC =
if FLAG<1> = 1,
PC =
Operation
register 'f'
11bb
BTFSC
GOTO
•
•
•
Read
Q2
Q2
No-
address HERE
address FALSE
address TRUE
FLAG,1
PROCESS_CODE
Operation
Process
bfff
data
Q3
CY
Q3
No-
instruction.
Operation
Operation
ffff
Q4
Q4
No-
No-
CALL
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example
2nd Cycle
1st Cycle
Call Subroutine
[ label ] CALL k
0
(PC)+ 1
k
(PCLATH<4:3>)
None
Call Subroutine. First, return address
(PC+1) is pushed onto the stack. The
eleven bit immediate address is loaded
into PC bits <10:0>. The upper bits of
the PC are loaded from PCLATH. CALL
is a two cycle instruction.
1
2
Before Instruction
After Instruction
Operation
Decode
HERE
Q1
10
No-
k
PC<10:0>,
2047
PIC16C7X
PC = Address HERE
PC = Address THERE
TOS = Address HERE+1
Operation
Push PC
literal 'k',
to Stack
0kkk
TOS,
CALL
Read
Q2
No-
DS30390E-page 151
Operation
THERE
Process
kkkk
PC<12:11>
data
Q3
No-
Operation
kkkk
Write to
Q4
No-
PC
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