參數(shù)資料
型號(hào)： PIC16C73B
廠商： Microchip Technology Inc.
英文描述： 8-Bit CMOS Microcontrollers with A/D Converter(帶A/D轉(zhuǎn)換器的8位CMOS微控制器)
中文描述： 8位CMOS微控制器與A / D轉(zhuǎn)換器（帶的A / D轉(zhuǎn)換器的8位的CMOS微控制器）
文件頁(yè)數(shù)： 168/184頁(yè)
文件大小： 2230K
代理商： PIC16C73B
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PIC16C63A/65B/73B/74B
DS30605C-page 168
2000 Microchip Technology Inc.
APPENDIX D:
MIGRATION FROM BASELINE TO MID-RANGE DEVICES
This section discusses how to migrate from a baseline
device (i.e., PIC16C5X) to a mid-range device (i.e.,
PIC16CXXX).
The following are the list of modifications over the
PIC16C5X microcontroller family:
1.
Instruction word length is increased to 14-bits.
This allows larger page sizes, both in program
memory (2 K now as opposed to 512 before)
and register file (128 bytes now versus 32 bytes
before).
2.
A PC high latch register (PCLATH) is added to
handle program memory paging. Bits PA2, PA1
and PA0 are removed from STATUS register.
3.
Data memory paging is redefined slightly.
STATUS register is modified.
4.
Four new instructions have been added:
RETURN, RETFIE, ADDLW
and
SUBLW
.
Two instructions,
TRIS
and
OPTION,
are being
phased out, although they are kept for compati-
bility with PIC16C5X.
5.
OPTION and TRIS registers are made address-
able.
6.
Interrupt capability is added. Interrupt vector is
at 0004h.
7.
Stack size is increased to 8-deep.
8.
RESET vector is changed to 0000h.
9.
RESET of all registers is revisited. Five different
RESET (and wake-up) types are recognized.
Registers are reset differently.
10. Wake up from SLEEP through interrupt is
added.
11. Two separate timers, Oscillator Start-up Timer
(OST) and Power-up Timer (PWRT) are
included for more reliable power-up. These tim-
ers are invoked selectively to avoid unneces-
sary delays on power-up and wake-up.
12. PORTB
has
weak
interrupt-on-change feature.
13. T0CKI pin is also a port pin (RA4) now.
14. FSR is made a full 8-bit register.
15.
“
In-Circuit Serial Programming
”
(ICSP) is made
possible. The user can program PIC16CXX
devices using only five pins: V
DD
, V
SS
,
MCLR/V
PP
, RB6 (clock) and RB7 (data in/out).
16. PCON status register is added with a Power-on
Reset status bit (POR).
17. Code protection scheme is enhanced, such that
portions of the program memory can be pro-
tected, while the remainder is unprotected.
18. Brown-out protection circuitry has been added.
Controlled by configuration word bit BODEN.
Brown-out Reset ensures the device is placed in
a RESET condition if V
DD
dips below a fixed
setpoint.
pull-ups
and
To convert code written for PIC16C5X to PIC16CXX,
the user should take the following steps:
1.
Remove any program memory page select
operations (PA2, PA1, PA0 bits) for
CALL
,
GOTO
.
2.
Revisit any computed jump operations (write to
PC or add to PC, etc.) to make sure page bits
are set properly under the new scheme.
3.
Eliminate any data memory page switching.
Redefine data variables to reallocate them.
4.
Verify all writes to STATUS, OPTION and FSR
registers since these have changed.
5.
Change RESET vector to 0000h.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16C73B/JW 功能描述:8位微控制器 -MCU 7KB 192 RAM 22 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
PIC16C73B-04/SO 功能描述:8位微控制器 -MCU 7KB 192 RAM 22 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
PIC16C73B-04/SO 制造商:Microchip Technology Inc 功能描述:8BIT CMOS MCU SMD 16C73 SOIC28
PIC16C73B-04/SP 功能描述:8位微控制器 -MCU 7KB 192 RAM 22 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
PIC16C73B-04/SP 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 16C73 SDIL28
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