参数资料
型号: W83L951DG
厂商: Nuvoton Technology Corporation of America
文件页数: 31/112页
文件大小: 0K
描述: IC EMBEDDED CNTRLR 128-LQFP
标准包装: 90
系列: W83
核心处理器: 8051
芯体尺寸: 8-位
速度: 24MHz
连通性: 主机接口,PS/2,SMBus,UART/USART
外围设备: PWM,WDT
输入/输出数: 104
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 8x10b; D/A 2x8b
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 128-LQFP
包装: 托盘
W83L951DG/W83L951FG
Publication Release Date: August 2006
- 21 -
Revision 1.0
5.8
GPIO4 Part
General Purpose I/O Function
Change the value of GPIO 4 data register (GPIO4) and GPIO 4 direction register (GPIOD4) to
determine 8 input/output.
Universal Asynchronous Serial I/O Function
Change the value of chip control 1 register bit 3 (UART Function Enable) to enable Universal
Asynchronous Serial I/O Function.
Hardware Keyboard Reset Function
Change the value of keyboard control register bit4 (Port 92 Enable) and bit3 (Hardware Keyboard
Reset Control Enable) to enable Hardware Keyboard Reset Function.
Hardware Gate A20 Function
Change the value of keyboard control register bit4 (Port 92 Enable) and bit2 (Hardware Gate A20
Control Enable) to enable Hardware Gate A20 Function.
Table 5-9 GPIO4 pin configuration table
SYMBOL
PIN
I/O
FUNCTION
GP47
61
I/O16tsh
General Purpose I/O Function
GP46
CLKRUN#
62
I/O16tsh
General Purpose I/O Function
Advance LPC function: It is used to request starting the clock
GP45
GATE_A20
63
I/O16tsh
General Purpose I/O Function
Gate A20 output
GP44
KBRST#
64
I/O16tsh
General Purpose I/O Function
CPU reset output
GP43
TXD
65
I/O16tsh
General Purpose I/O Function
UART TX output
GP42
RXD
66
I/O16tsh
General Purpose I/O Function
UART RX Input
GP41
FAN_TACH1
67
I/O16tsh
General Purpose I/O Function
Fan tachometer 1
GP40
FAN_TACH0
68
I/O16tsh
General Purpose I/O Function
Fan tachometer 0
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