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參數(shù)資料
| 型號(hào)： | MQ80C52CXXX-20/883R |
| 廠商： | ATMEL CORP |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CQFP44 |
| 封裝： | CERAMIC, QFP-44 |
| 文件頁(yè)數(shù)： | 93/101頁(yè) |
| 文件大?。?/td> | 3398K |
| 代理商： | MQ80C52CXXX-20/883R |
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114
8168C-MCU Wireless-02/10
AT86RF212
Bit 3 – DVREG_EXT
If set, this register bit disables the internal digital voltage regulator to apply an external
regulated 1.8 V supply for the digital building blocks.
Table 7-20. Regulated Voltage Supply Control for Digital Building Blocks
Register Bit
Value
Description
0
Internal voltage regulator enabled (digital domain)
DVREG_EXT
1
Internal voltage regulator disabled; use external
regulated 1.8 V supply voltage for the digital domain
Bit 2 – DVDD_OK
This register bit indicates if the internal 1.8 V regulated voltage supply DVDD has
settled. The bit is set to logic high if DVREG_EXT = 1.
Table 7-21. Regulated Voltage Supply Control for Digital Building Blocks
Register Bit
Value
Description
0
Digital voltage regulator disabled or supply voltage not
stable
DVDD_OK
1
Digital supply voltage has settled
While the reset value of this bit is 0, any practical access to the register is only possible
when DVREG is active. So this bit is normally always read out as 1.
Bit 1:0 – Reserved
Register 0x0C (TRX_CTRL_2):
This register controls the TRX behavior.
Table 7-22. Register 0x0C (TRX_CTRL_2)
Bit
7
6
5
4
Name
RX_SAFE_MODE
TRX_OFF_AVDD_EN
OQPSK_SCRAM_EN
OQPSK_SUB1_RC_EN
Read/Write
R/W
Reset Value
0
1
0
Bit
3
2
1
0
Name
BPSK_OQPSK
SUB_MODE
OQPSK_DATA_RATE
Read/Write
R/W
Reset Value
0
1
0
Bit 7 – RX_SAFE_MODE
Refer to section 9.7.2.
Bit 6 – TRX_OFF_AVDD_EN
If this register bit is set, the analog voltage regulator is turned on (kept on) during
TRX_OFF, enabling faster RX/TX turn on time. This is especially useful for a short
stopover in TRX_OFF state. The recharge time for capacitances is avoided in this case.
The current consumption increases by typical 100 A.
Bit 5:0
Refer to section 7.1.5.
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