参数资料
型号: ADUC7021BCPZ62-RL
厂商: Analog Devices Inc
文件页数: 82/104页
文件大小: 0K
描述: IC MCU 12BIT 1MSPS UART 40-LFCSP
标准包装: 2,500
系列: MicroConverter® ADuC7xxx
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 44MHz
连通性: EBI/EMI,I²C,SPI,UART/USART
外围设备: PLA,PWM,PSM,温度传感器,WDT
输入/输出数: 13
程序存储器容量: 64KB(32K x 16)
程序存储器类型: 闪存
RAM 容量: 2K x 32
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
数据转换器: A/D 8x12b,D/A 2x12b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 40-VFQFN 裸露焊盘,CSP
包装: 带卷 (TR)
Data Sheet
ADuC7019/20/21/22/24/25/26/27/28/29
Rev. F | Page 79 of 104
Table 140. I2CxDIV Registers
Name
Address
Default Value
Access
I2C0DIV
0xFFFF0830
0x1F1F
R/W
I2C1DIV
0xFFFF0930
0x1F1F
R/W
I2CxDIV are the clock divider registers.
Table 141. I2CxIDx Registers
Name
Address
Default Value
Access
I2C0ID0
0xFFFF0838
0x00
R/W
I2C0ID1
0xFFFF083C
0x00
R/W
I2C0ID2
0xFFFF0840
0x00
R/W
I2C0ID3
0xFFFF0844
0x00
R/W
I2C1ID0
0xFFFF0938
0x00
R/W
I2C1ID1
0xFFFF093C
0x00
R/W
I2C1ID2
0xFFFF0940
0x00
R/W
I2C1ID3
0xFFFF0944
0x00
R/W
I2CxID0, I2CxID1, I2CxID2, and I2CxID3 are slave address
device ID registers of I2Cx.
Table 142. I2CxCCNT Registers
Name
Address
Default Value
Access
I2C0CCNT
0xFFFF0848
0x01
R/W
I2C1CCNT
0xFFFF0948
0x01
R/W
I2CxCCNT are 8-bit start/stop generation counters. They hold
off SDA low for start and stop conditions.
Table 143. I2CxFSTA Registers
Name
Address
Default Value
Access
I2C0FSTA
0xFFFF084C
0x0000
R/W
I2C1FSTA
0xFFFF094C
0x0000
R/W
I2CxFSTA are FIFO status registers.
Table 144. I2C0FSTA MMR Bit Descriptions
Bit
Access
Type
Value
Description
15:10
Reserved.
9
R/W
Master transmit FIFO flush. Set by the
user to flush the master Tx FIFO.
Cleared automatically when the
master Tx FIFO is flushed. This bit
also flushes the slave receive FIFO.
8
R/W
Slave transmit FIFO flush. Set by the
user to flush the slave Tx FIFO. Cleared
automatically after the slave Tx FIFO
is flushed.
7:6
R
Master Rx FIFO status bits.
00
FIFO empty.
01
Byte written to FIFO.
10
One byte in FIFO.
11
FIFO full.
5:4
R
Master Tx FIFO status bits.
00
FIFO empty.
01
Byte written to FIFO.
10
One byte in FIFO.
11
FIFO full.
3:2
R
Slave Rx FIFO status bits.
00
FIFO empty.
01
Byte written to FIFO.
10
One byte in FIFO.
11
FIFO full.
1:0
R
Slave Tx FIFO status bits.
00
FIFO empty.
01
Byte written to FIFO.
10
One byte in FIFO.
11
FIFO full.
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