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參數(shù)資料
| 型號： | SAB-C505A-4EM |
| 廠商： | SIEMENS A G |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-Bit CMOS Microcontroller |
| 中文描述： | 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | PLASTIC, MQFP-44 |
| 文件頁數(shù)： | 20/85頁 |
| 文件大?。?/td> | 335K |
| 代理商： | SAB-C505A-4EM |
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Semiconductor Group
20
1997-12-01
C505 / C505C
C505A / C505CA
Special Function Registers
The registers, except the program counter and the four general purpose register banks, reside in
the special function register area. The special function register area consists of two portions : the
standard special function register area and the mapped special function register area. Five special
function register of the C505 (PCON1,P1ANA, VR0, VR1, VR2) are located in the mapped special
function register area. For accessing the mapped special function register area, bit RMAP in special
function register SYSCON must be set. All other special function registers are located in the
standard special function register area which is accessed when RMAP is cleared (“0“).
The registers and data locations of the CAN controller (CAN-SFRs) are located in the external data
memory area at addresses F700H to F7FFH..
Special Function Register SYSCON (Address B1H)
Reset Value : XX100X01B
(C505CA only) Reset Value : XX100001B
Bit
As long as bit RMAP is set, mapped special function register area can be accessed. This bit is not
cleared by hardware automatically. Thus, when non-mapped/mapped registers are to be accessed,
the bit RMAP must be cleared/set respectively by software.
All SFRs with addresses where address bits 0-2 are 0 (e.g. 80H, 88H, 90H, 98H, ..., F8H, FFH) are
bitaddressable.
The 52 special function registers (SFRs) in the standard and mapped SFR area include pointers
and registers that provide an interface between the CPU and the other on-chip peripherals. The
SFRs of the C505 are listed in
table 4
and
table 5
. In
table 4
they are organized in groups which
refer to the functional blocks of the C505. The CAN-SFRs (applicable for the C505C and C505CA
only) are also included in
table 4
.
Table 5
illustrates the contents of the SFRs in numeric order of
their addresses.
Table 6
list the CAN-SFRs in numeric order of their addresses. .
Function
RMAP
Special function register map bit
RMAP = 0 : The access to the non-mapped (standard) special function
register area is enabled.
RMAP = 1 : The access to the mapped special function register area is
enabled.
7
6
5
4
3
2
1
0
EALE
RMAP CMOD
B1H
SYSCON
Bit No.
MSB
LSB
CSWOXMAP1
–
–
XMAP0
The functions of the shaded bits are not described here.
1) This bit is only available in the C505CA.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAF-C505A-4EM | 8-Bit CMOS Microcontroller |
| SAF-C505-2RM | 8-Bit CMOS Microcontroller |
| SAB-C505-2RM | 8-Bit CMOS Microcontroller |
| SAB-C513AO | 8-bit CMOS Microcontroller |
| SAF-C513AO | 8-bit CMOS Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAB-C505A-4EM-BA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SAB-C505C-2RM | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAB-C505CA-4EM | 制造商:Infineon Technologies 功能描述:Bulk |
| SAB-C505CA-4EM CA | 功能描述:8位微控制器 -MCU 8 BIT OTP 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 |
| SAB-C505CA-4EM CATR | 制造商:Infineon Technologies AG 功能描述: |
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