参数资料
型号: XR16V798IQ-0B-EVB
厂商: Exar Corporation
文件页数: 14/56页
文件大小: 0K
描述: EVAL BOARD FOR XR16V798-B 100QFP
设计资源: XR17V798/794 Eval Board Schematic
标准包装: 1
系列: *
XR16V798
21
REV. 1.0.1
HIGH PERFORMANCE 2.25V TO 3.6V OCTAL UART WITH FRACTIONAL BAUD RATE
3.1
DEVICE CONFIGURATION REGISTER SET
The device configuration registers are directly accessible from the bus. This provides easy programming of
general operating parameters to the 798 UART and for monitoring the status of various functions. The device
configuration registers are mapped onto address 0x80-8F as shown on the register map in Table 8 and
. These registers provide global controls and status of all 8 channel UARTs that include interrupt
status, 16-bit general purpose timer control and status, 8X or 16X sampling clock, sleep mode control, soft-
reset control, simultaneous UART initialization, and device identification and revision.
FIGURE 12. THE XR16V798 REGISTERS
TABLE 7: XR16V798 REGISTER SETS
ADDRESS [A7:A0]
UART CHANNEL SPACE
REFERENCE
COMMENT
0x00 - 0x0F
UART channel 0 Registers
First 8 registers are 16550 compatible
0x10 - 0x1F
UART channel 1 Registers
0x20 - 0x2F
UART channel 2 Registers
0x30 - 0x3F
UART channel 3 Registers
0x40 - 0x4F
UART channel 4 Registers
0x50 - 0x5F
UART channel 5 Registers
0x60 - 0x6F
UART channel 6 Registers
0x70 - 0x7F
UART channel 7 Registers
0x80 - 0x8F
Device Configuration Registers
(
Interrupt registers and global controls
INT0, INT1, INT2,
INT3, TIMER,
SLEEP, RESET
8-bit Data
Bus
Interface
Channel 0
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Device Configuration Registers
8 channel Interrupts,
16-bit Timer/Counter,
Sleep, Reset, DVID, DREV
UART[7:0] Configuration
Registers
16550 Compatible and EXAR
Enhanced Registers
758REGS-1
0x10-1F
0x00-0F
0x20-2F
0x30-3F
0x40-4F
0x50-5F
0x60-6F
0x70-7F
0x80-8F
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