參數(shù)資料
型號(hào)： PIC16F84AT-04E/SS
廠商： Microchip Technology
文件頁數(shù)： 81/81頁
文件大小： 0K
描述： IC MCU CMOS 4MHZ 1K FLASH 20SSOP
標(biāo)準(zhǔn)包裝： 1,600
系列： PIC® 16F
核心處理器： PIC
芯體尺寸： 8-位
速度： 4MHz
外圍設(shè)備： POR，WDT
輸入/輸出數(shù)： 13
程序存儲(chǔ)器容量： 1.75KB（1K x 14）
程序存儲(chǔ)器類型： 閃存
EEPROM 大小： 64 x 8
RAM 容量： 68 x 8
電壓 - 電源 (Vcc/Vdd)： 4 V ~ 5.5 V
振蕩器型： 外部
工作溫度： -40°C ~ 125°C
封裝/外殼： 20-SSOP（0.209"，5.30mm 寬）
包裝： 帶卷 (TR)
配用： XLT20SS1-1-ND - SOCKET TRANSITION 20DIP 20SSOP
2001 Microchip Technology Inc.
DS35007B-page 7
PIC16F84A
2.3
Special Function Registers
The Special Function Registers (Figure 2-2 and
Table 2-1) are used by the CPU and Peripheral
functions to control the device operation. These
registers are static RAM.
The special function registers can be classified into two
sets, core and peripheral. Those 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 that specific feature.
TABLE 2-1:
SPECIAL FUNCTION REGISTER FILE SUMMARY
Addr
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
Power-on
RESET
Details
on page
Bank 0
00h
INDF
Uses contents of FSR to address Data Memory (not a physical register)
---- ----
01h
TMR0
8-bit Real-Time Clock/Counter
xxxx xxxx
02h
PCL
Low Order 8 bits of the Program Counter (PC)
0000 0000
03h
STATUS(2)
IRP
RP1
RP0
TO
PD
ZDCC
0001 1xxx
04h
FSR
Indirect Data Memory Address Pointer 0
xxxx xxxx
05h
PORTA(4)
—
RA4/T0CKI
RA3
RA2
RA1
RA0
---x xxxx
06h
PORTB(5)
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0/INT xxxx xxxx
07h
—
Unimplemented location, read as '0'
—
08h
EEDATA
EEPROM Data Register
xxxx xxxx
09h
EEADR
EEPROM Address Register
xxxx xxxx
0Ah
PCLATH
—
Write Buffer for upper 5 bits of the PC(1)
---0 0000
0Bh
INTCON
GIE
EEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x
Bank 1
80h
INDF
Uses Contents of FSR to address Data Memory (not a physical register)
---- ----
81h
OPTION_REG
RBPU
INTEDG
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
82h
PCL
Low order 8 bits of Program Counter (PC)
0000 0000
83h
STATUS (2)
IRP
RP1
RP0
TO
PD
ZDCC
0001 1xxx
84h
FSR
Indirect data memory address pointer 0
xxxx xxxx
85h
TRISA
—
PORTA Data Direction Register
---1 1111
86h
TRISB
PORTB Data Direction Register
1111 1111
87h
—
Unimplemented location, read as '0'
—
88h
EECON1
—
EEIF
WRERR
WREN
WR
RD
---0 x000
89h
EECON2
EEPROM Control Register 2 (not a physical register)
---- ----
0Ah
PCLATH
—
Write buffer for upper 5 bits of the PC(1)
---0 0000
0Bh
INTCON
GIE
EEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x
Legend: x = unknown, u = unchanged. - = unimplemented, read as '0', q = value depends on condition
Note
1: The upper byte of the program counter is not directly accessible. PCLATH is a slave register for PC<12:8>. The contents
of PCLATH can be transferred to the upper byte of the program counter, but the contents of PC<12:8> are never trans-
ferred to PCLATH.
2: The TO and PD status bits in the STATUS register are not affected by a MCLR Reset.
3: Other (non power-up) RESETS include: external RESET through MCLR and the Watchdog Timer Reset.
4: On any device RESET, these pins are configured as inputs.
5: This is the value that will be in the port output latch.
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PIC16F84AT-04I/SO 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O 4MHz Ind Temp SOIC18 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F84AT-04I/SS 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F84AT-20/SO 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O 20MHz SOIC18 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F84AT-20/SS 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O 20MHz SSOP20 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F84AT-20E/SO 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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