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PDF 10F222 Data sheet ( Hoja de datos )
| Número de pieza | 10F222 | |
| Descripción | PIC10F222 | |
| Fabricantes | Microchip Technology | |
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www.DataSheet4U.com
PIC10F220/222
Data Sheet
6-Pin, 8-Bit Flash Microcontrollers
© 2006 Microchip Technology Inc.
Preliminary
DS41270B
1 page  
PIC10F220/222
Table of Contents
1.0 General Description...................................................................................................................................................................... 5
2.0 Device Varieties .......................................................................................................................................................................... 7
3.0 Architectural Overview ................................................................................................................................................................. 9
4.0 Memory Organization ................................................................................................................................................................. 13
5.0 I/O Port ....................................................................................................................................................................................... 21
6.0 TMR0 Module and TMR0 Register............................................................................................................................................. 25
7.0 Analog-to-Digital (A/D) converter ............................................................................................................................................... 29
8.0 Special Features Of The CPU.................................................................................................................................................... 33
9.0 Instruction Set Summary ............................................................................................................................................................ 43
10.0 Electrical Characteristics ............................................................................................................................................................ 51
11.0 Development Support................................................................................................................................................................. 61
12.0 DC and AC Characteristics Graphs and Charts ......................................................................................................................... 65
13.0 Packaging Information................................................................................................................................................................ 67
Index .................................................................................................................................................................................................... 71
The Microchip Web Site ....................................................................................................................................................................... 73
Customer Change Notification Service ................................................................................................................................................ 73
Customer Support ................................................................................................................................................................................ 73
Reader Response ................................................................................................................................................................................ 74
Product Identification System .............................................................................................................................................................. 75
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© 2006 Microchip Technology Inc.
Preliminary
DS41270B-page 3
5 Page 
3.0 ARCHITECTURAL OVERVIEW
The high performance of the PIC10F220/222 devices
can be attributed to a number of architectural features
commonly found in RISC microprocessors. To begin
with, the PIC10F220/222 devices use a Harvard archi-
tecture in which program and data are accessed on
separate buses. This improves bandwidth over tradi-
tional von Neumann architectures where program and
data are fetched on the same bus. Separating program
and data memory further allows instructions to be sized
differently than the 8-bit wide data word. Instruction
opcodes are 12 bits wide, making it possible to have all
single-word instructions. A 12-bit wide program mem-
ory access bus fetches a 12-bit instruction in a single
cycle. A two-stage pipeline overlaps fetch and execu-
tion of instructions. Consequently, all instructions (33)
execute in a single cycle (1 μs @ 4 MHz or 500 ns @
8 MHz) except for program branches.
www.DataSheet4TUhe.ctaobmle below lists program memory (Flash) and data
memory (RAM) for the PIC10F220/222 devices.
Device
PIC10F220
PIC10F222
Memory
Program
256 x 12
512 x 12
Data
16 x 8
23 x 8
The PIC10F220/222 devices can directly or indirectly
address its register files and data memory. All Special
Function Registers (SFR), including the PC, are
mapped in the data memory. The PIC10F220/222
devices have a highly orthogonal (symmetrical) instruc-
tion set that makes it possible to carry out any opera-
tion, on any register, using any addressing mode. This
symmetrical nature and lack of “special optimal situa-
tions” make programming with the PIC10F220/222
devices simple, yet efficient. In addition, the learning
curve is reduced significantly.
PIC10F220/222
The PIC10F220/222 devices contain an 8-bit ALU and
working register. The ALU is a general purpose arith-
metic unit. It performs arithmetic and Boolean functions
between data in the working register and any register
file.
The ALU is 8-bits wide and capable of addition, sub-
traction, shift and logical operations. Unless otherwise
mentioned, arithmetic operations are two’s comple-
ment in nature. In two-operand instructions, one oper-
and is typically the W (working) register. The other
operand is either a file register or an immediate
constant. In single operand instructions, the operand is
either the W register or a file register.
The W register is an 8-bit working register used for ALU
operations. It is not an addressable register.
Depending on the instruction executed, the ALU may
affect the values of the Carry (C), Digit Carry (DC) and
Zero (Z) bits in the STATUS register. The C and DC bits
operate as a borrow and digit borrow out bit, respec-
tively, in subtraction. See the SUBWF and ADDWF
instructions for examples.
A simplified block diagram is shown in Figure 3-1 with
the corresponding device pins described in Table 3-1.
© 2006 Microchip Technology Inc.
Preliminary
DS41270B-page 9
11 Page | ||
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