参数资料
型号: PIC16C711-20I/SS
厂商: Microchip Technology
文件页数: 95/177页
文件大小: 0K
描述: IC MCU OTP 1KX14 A/D 20SSOP
产品培训模块: Asynchronous Stimulus
标准包装: 67
系列: PIC® 16C
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
外围设备: 欠压检测/复位,POR,WDT
输入/输出数: 13
程序存储器容量: 1.75KB(1K x 14)
程序存储器类型: OTP
RAM 容量: 68 x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 6 V
数据转换器: A/D 4x8b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
包装: 管件
配用: 309-1016-ND - ADAPTER 20-SSOP TO 18-DIP
PIC16C71X
DS30272A-page 24
1997 Microchip Technology Inc.
Example 4-1 shows the calling of a subroutine in
page 1 of the program memory. This example assumes
that PCLATH is saved and restored by the interrupt ser-
vice routine (if interrupts are used).
EXAMPLE 4-1:
CALL OF A SUBROUTINE IN
PAGE 1 FROM PAGE 0
ORG 0x500
BSF
PCLATH,3
;Select page 1 (800h-FFFh)
BCF
PCLATH,4
;Only on >4K devices
CALL
SUB1_P1
;Call subroutine in
:
;page 1 (800h-FFFh)
:
ORG 0x900
SUB1_P1:
;called subroutine
:
;page 1 (800h-FFFh)
:
RETURN
;return to Call subroutine
;in page 0 (000h-7FFh)
4.5
Indirect Addressing, INDF and FSR
Registers
The INDF register is not a physical register. Addressing
the INDF register will cause indirect addressing.
Indirect addressing is possible by using the INDF reg-
ister. Any instruction using the INDF register actually
accesses the register pointed to by the File Select Reg-
ister, FSR. Reading the INDF register itself indirectly
(FSR = '0') will read 00h. Writing to the INDF register
indirectly results in a no-operation (although status bits
may be affected). An effective 9-bit address is obtained
by concatenating the 8-bit FSR register and the IRP bit
(STATUS<7>), as shown in Figure 4-15. However, IRP
is not used in the PIC16C71X devices.
A simple program to clear RAM locations 20h-2Fh
using indirect addressing is shown in Example 4-2.
EXAMPLE 4-2:
INDIRECT ADDRESSING
movlw
0x20
;initialize pointer
movwf
FSR
;to RAM
NEXT
clrf
INDF
;clear INDF register
incf
FSR,F
;inc pointer
btfss
FSR,4
;all done?
goto
NEXT
;no clear next
CONTINUE
:
;yes continue
FIGURE 4-15:
DIRECT/INDIRECT ADDRESSING
For register le map detail see Figure 4-4.
Note 1:
The RP1 and IRP bits are reserved, always maintain these bits clear.
Data
Memory
Indirect Addressing
Direct Addressing
bank select
location select
RP1:RP0
6
0
from opcode
IRP(1)
FSR register
7
0
bank select
location select
00
01
10
11
Bank 0
Bank 1
Bank 2
Bank 3
FFh
80h
7Fh
00h
17Fh
100h
1FFh
180h
Not
Used
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PIC16C711T-04/SS 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O 4MHz SSOP20 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC16C711T-04E/SO 功能描述:8位微控制器 -MCU 1.75KB 68 RAM 13 I/O 4MHz Ext Temp SOIC18 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC16C711T-04E/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 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT