参数资料
型号: XR16M698IQ100-F
厂商: Exar Corporation
文件页数: 18/58页
文件大小: 0K
描述: IC UART FIFO 32B OCTAL 100QFP
标准包装: 66
特点: *
通道数: 8
FIFO's: 32 字节
规程: RS485
电源电压: 1.62 V ~ 3.63 V
带自动流量控制功能:
带IrDA 编码器/解码器:
带故障启动位检测功能:
带调制解调器控制功能:
安装类型: 表面贴装
封装/外壳: 100-BQFP
供应商设备封装: 100-QFP(14x20)
包装: 托盘
TABLE 9: DEVICE CONFIGURATION REGISTERS
ADDRESS READ/
WRITE
REGISTER
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0x80
R
INT Source
UART 7
UART 6
UART 5
UART 4
UART 3
UART 2
UART 1
UART 0
0x81
R
INT 1
UART 2
bit 1
source
bit 0
UART 1
bit 2
interrupt
bit 1
source
bit 0
UART 0
bit 2
interrupt
bit 1
source
bit 0
0x82
R
INT 2
UART 5
bit 0
UART 4
bit 2
interrupt
bit 1
source
bit 0
UART 3
bit 2
interrupt
bit 1
source
bit 0
UART 2
bit 2
0x83
R
INT 3
UART 7
bit 2
interrupt
bit 1
source
bit 0
UART 6
bit 2
interrupt
bit 1
source
bit 0
UART 5
bit 2
source
bit 1
0x84
R/W
TIMER
CTRL
0
TimerCtrl
bit-3
TimerCtrl
bit-2
TimerCtrl
bit-1
TimerCtrl
bit-0
0x85
R
TIMER
0
0x86
R/W TIMER LSB
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0x87
R/W
TIMER
MSB
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0x88
R/W
8X MODE
UART 7
UART 6
UART 5
UART 4
UART 3
UART 2
UART 1
UART 0
0x89
R/W
4X MODE
UART 7
UART 6
UART 5
UART 4
UART 3
UART 2
UART 1
UART 0
0x8A
W
RESET
Reset
UART 7
Reset
UART 6
Reset
UART 5
Reset
UART 4
Reset
UART 3
Reset
UART 2
Reset
UART 1
Reset
UART 0
0x8B
R/W
SLEEP
Enable
sleep
UART 7
Enable
sleep
UART 6
Enable
sleep
UART 5
Enable
sleep
UART 4
Enable
sleep
UART 3
Enable
sleep
UART 2
Enable
sleep
UART 1
Enable
sleep
UART 0
0x8C
R
DREV
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0x8D
R
DVID
0
1
0
1
0
0x8E
R/W
REGB
0
write to all
UARTs
XR16M698
25
REV. 1.0.0
1.62V TO 3.63V HIGH PERFORMANCE OCTAL UART WITH 32-BYTE FIFO
3.1.1
The Global Interrupt Source Registers
The XR16M698 has a global interrupt source register set that consists of 4 consecutive registers [INT0, INT1,
INT2 and INT3]. The four registers are in the device configuration register address space.
INT3
[0x00]
INT2
[0x00]
INT1
[0x00]
INT0
[0x00]
All four registers default to logic zero (as indicated in square braces) for no interrupt pending. All 8 channel
interrupts are enabled or disabled in each channel’s IER register. INT0 shows individual status for each
channel while INT1, INT2 and INT3 show the details of the source of each channel’s interrupt with its unique 3-
bit encoding. Figure 13 shows the 4 interrupt registers in sequence for clarity. The 16-bit timer and sleep
wake-up interrupts are masked in the device configuration registers, TIMERCNTL and SLEEP. An interrupt is
generated (if enabled) by the 698 when awakened from sleep if all 8 channels were placed in the sleep mode
previously.
[A7:A0]
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