参数资料
型号: SCANPSC100FDMQB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 微控制器/微处理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, CDIP28
封装: CERAMIC, DIP-28
文件页数: 22/27页
文件大小: 381K
代理商: SCANPSC100FDMQB
Mode and Status Registers
MODE REGISTER 0 (MODE0)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
TDO
TDI
CNT32
TMS0
TMS1
Auto TMS High
Loop-
Enable
Reserved
Enable
Around
Enable
This register is purely a mode register. All bits are writeable and readable. The value 00100000 is placed in this register upon RST
low or a synchronous reset operation.
Bit 7: This bit enables the TDO shifter/buffer for shift operations. If this bit is set, the TDO shifter/buffer will cause TCK to stop
if it is empty.
Bit 6: This bit enables the TDI shifter/buffer for shift operations. If this bit is set, the TDI shifter/buffer will cause TCK to stop if
it is full.
Bit 5: This bit enables the 32-bit counter. If this bit is set, the counter will cause TCK to stop if if has not been loaded or if it has
reached terminal count.
SCANPSC100F
Embedded
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