参数资料
型号: EVAL-ADUC7039QSPZ
厂商: Analog Devices Inc
文件页数: 77/92页
文件大小: 0K
描述: BOARD EVAL FOR ADUC7039
设计资源: ADuC7039QSPZ Gerber Files
EVAL-ADuC7039 Schematic & Brd Outline
标准包装: 1
系列: QuickStart™ PLUS 套件
类型: MCU
适用于相关产品: ADuC7039
所含物品:
Data Sheet
ADuC7039
Rev. D | Page 79 of 92
High Voltage Interface Control Register
Name:
HVCON
Address:
0xFFFF0804
Default Value:
Updated by kernel
Access:
Read/write
Function:
This 8-bit register acts as a command byte interpreter for the high voltage control interface. Bytes written to this
register are interpreted as read or write commands to a set of two indirect registers related to the high voltage
circuits. The HVDAT register is used to store data to be written to, or read back from, the indirect registers.
Table 56. HVCON MMR Write Bit Designations
Bit
Description
7 to 0
Command byte. Interpreted as
0x00 = read back high voltage register, HVCFG, into HVDAT.
0x02 = read back high voltage status register, HVSTA, into HVDAT.
0x08 = write the value in HVDAT to the high voltage register, HVCFG.
Other = reserved.
Table 57. HVCON MMR Read Bit Designations
Bit
Description
7 to 3
Reserved.
2
Transmit command to high voltage die status.
1 = command completed successfully.
0 = command failed.
1
Read command from high voltage die status.
1 = command completed successfully.
0 = command failed.
0
Bit 0 (read-only) busy bit. When user code reads this register, Bit 0 should be interpreted as the busy signal for the high
voltage interface. This bit can be used to determine if a read request has completed. High voltage (read/write) com-
mands as described in this table should not be written to HVCON unless busy = 0.
Busy = 1, high voltage interface is busy and has not completed the previous command written to HVCON. Bit 1 and Bit 2
are not valid.
Busy = 0, high voltage interface is not busy and has completed the command written to HVCON. Bit 1 and Bit 2 are valid.
High Voltage Data Register
Name:
HVDAT
Address:
0xFFFF080C
Default Value: Updated by kernel
Access:
Read/write
Function:
HVDAT is a 12-bit register that is used to hold data to be written indirectly to, and read indirectly from, the HVDAT,
HVSTA, HVCFG high voltage interface registers.
Table 58. HVDAT MMR Bit Designations
Bit
Description
11 to 8
Command with which the high voltage data, HVDAT[7:0], is associated. These bits are read-only and should be written as 0s.
0x00 = read back the high voltage register, HVCFG, into HVDAT.
0x02 = read back the high voltage status register, HVSTA, into HVDAT.
0x08 = write the value in HVDAT to the high voltage register, HVCFG.
7 to 0
High voltage data to read/write.
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