參數(shù)資料
型號(hào)： P80C592
廠商： NXP Semiconductors N.V.
英文描述： 8-bit microcontroller with on-chip CAN
中文描述： 8位微控制器芯片的CAN
文件頁數(shù)： 42/108頁
文件大?。?/td> 650K
代理商： P80C592
1996 Jun 27
42
Philips Semiconductors
Product specification
8-bit microcontroller with on-chip CAN
P8xC592
13.5.9
B
US
T
IMING
R
EGISTER
0 (BTR0)
The contents of Bus Timing Register 0 defines the values
of the Baud Rate Prescaler (BRP) and the Synchronization
Jump Width (SJW).
This register can be accessed (read/write) if the Reset
Request bit is set HIGH (present).
For further information on bus timing, see
Sections 13.5.10 and 13.5.18.
Table 45
Bus Timing Register 0 (address 6)
Table 46
Description of the BTR0 bits
7
6
5
4
3
2
1
0
SJW.1
SJW.0
BRP.5
BRP.4
BRP.3
BRP.2
BRP.1
BRP.0
BIT SYMBOL
FUNCTION
7
6
SJW.1
SJW.0
Synchronization Jump Width.
To compensate for phase shifts between clock oscillators of different
bus controllers, any bus controller must resynchronize on any relevant signal edge of the current
transmission. The synchronization jump width defines the maximum number of clock cycles a bit
period may be shortened or lengthened by one resynchronization:
t
SJW
t
SCL
2SJW.1
SJW.0
1
+
+
=
5
4
3
2
1
0
BRP.5
BRP.4
BRP.3
BRP.2
BRP.1
BRP.0
Baud Rate Prescaler.
The period of the system clock t
SCL
is programmable and determines the
individual bit timing.The system clock is calculated using the following equation:
t
SCL
2t
CLK
32BRP.5
16BRP.4
8BRP.3
+
+
+
=
.
Where t
CLK
= time period of the P8xC592 oscillator.
(
)
.
˙˙
4BRP.2
2BRP.1
BRP.0
1
+
+
+
(
)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P80C592FFA 制造商:NXP Semiconductors 功能描述:
P80C592FFA/00,512 功能描述:8位微控制器 -MCU 80C51 W/CAN 16MHZ ROMLESS 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
P80C592FFA/00,512 制造商:NXP Semiconductors 功能描述:8BIT MCU+CAN, SMD, 80C592, PLCC68
P80C592FFA/00,518 功能描述:8位微控制器 -MCU SINGLE-CHIP 8-BIT MCU 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
P80C592FFA/00 制造商:NXP Semiconductors 功能描述:8BIT MCU+CAN SMD 80C592 PLCC68
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