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参数资料
| 型号： | P89LPC912 |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM |
| 中文描述： | 8位微控制器两个小时80C51的核心具有1KB 3伏闪光的128字节RAM |
| 文件页数： | 18/63页 |
| 文件大小： | 314K |
| 代理商： | P89LPC912 |
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P89LPC912 Special function registers
…continued
* indicates SFRs that are bit addressable.
Name
Description
SFR
addr.
MSB
P
P
8
9
P
R
1
[1]
[2]
All ports are in input only (high impedance) state after power-up.
The RSTSRC register reflects the cause of the P89LPC912 reset. Upon a power-up reset, all reset source flags are cleared except POF and BOF; the power-on reset value is
xx110000.
After reset, the value is 111001x1, i.e., PRE2-PRE0 are all ‘1’, WDRUN = 1 and WDCLK = 1. WDTOF bit is ‘1’ after Watchdog reset and is ‘0’ after power-on reset. Other resets will
not affect WDTOF.
On power-on reset, the TRIM SFR is initialized with a factory preprogrammed value. Other resets will not cause initialization of the TRIM register.
The only reset source that affects these SFRs is power-on reset.
[3]
[4]
[5]
SPCTL
SPSTAT
SPDAT
TAMOD
SPI control register
SPI status register
SPI data register
Timer 0 and 1 auxiliary mode
E2H
E1H
E3H
8FH
SSIG
SPIF
SPEN
WCOL
DORD
-
MSTR
-
CPOL
-
CPHA
-
SPR1
-
SPR0
-
04
00
00
00
00000100
00xxxxxx
00000000
xxx0xxx0
-
-
-
-
-
-
-
T0M2
88
-
Bit address
8F
TF1
8E
TR1
8D
TF0
8C
TR0
8B
-
8A
-
89
-
TCON*
TH0
TH1
TL0
TL1
TMOD
TRIM
WDCON
WDL
WFEED1
WFEED2
Timer 0 and 1 control
Timer 0 high
Timer 1 high
Timer 0 low
Timer 1 low
Timer 0 and 1 mode
Internal oscillator trim register
Watchdog control register
Watchdog load
Watchdog feed 1
Watchdog feed 2
88H
8CH
8DH
8AH
8BH
89H
96H
A7H
C1H
C2H
C3H
00
00
00
00
00
00
00000000
00000000
00000000
00000000
00000000
00000000
-
-
-
T1M1
TRIM.5
PRE0
T1M0
TRIM.4
-
T0GATE
TRIM.3
-
T0C/T
TRIM.2
WDRUN
T0M1
TRIM.1
WDTOF
T0M0
TRIM.0
WDCLK
ENCLK
PRE1
[4] [5]
PRE2
[3] [5]
FF
11111111
Table 7:
Bit functions and addresses
Reset value
Hex
LSB
Binary
相关PDF资料 |
PDF描述 |
|---|---|
| P89LPC913 | 8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM |
| P89LPC914 | 8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM |
| P89LPC914FDH | 8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM |
| P89LPC924 | 8-bit microcontrollers with accelerated two-clock 80C51 core 4 kB/8 kB 3 V low-power Flash with 8-bit A/D converter |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| P89LPC912FDH | 制造商:NXP Semiconductors 功能描述:MCU 8BIT 80C51 1K FLASH TSSOP14 制造商:NXP Semiconductors 功能描述:MCU 8BIT 80C51 1K FLASH, TSSOP14 |
| P89LPC912FDH,129 | 功能描述:8位微控制器 -MCU 80C51 1K FL 128B RAM 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 |
| P89LPC912FDH129 | 制造商:NXP Semiconductors 功能描述:IC 8BIT MCU 80C51 18MHZ TSSOP-14 |
| P89LPC912HDH | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontrollers with two-clock 80C51 core, 1 kB 3 V flash with 128-byte RAM |
| P89LPC913 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM |
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