参数资料
型号: ADUC7121BBCZ
厂商: Analog Devices Inc
文件页数: 11/96页
文件大小: 0K
描述: IC ARM7TDMI MCU 126KB 108CSPBGA
标准包装: 1
系列: MicroConverter® ADuC7xxx
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 41.78MHz
连通性: I²C,SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 126KB(63K x 16)
程序存储器类型: 闪存
RAM 容量: 8K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 9x12b,D/A 4x12b
振荡器型: 内部
工作温度: -10°C ~ 95°C
封装/外壳: 108-LFBGA,CSPBGA
包装: 托盘
Data Sheet
ADuC7121
Rev. B | Page 19 of 96
Pin No.
Mnemonic
Type1
Description
A8
IDAC2
AO
IDAC2 Output. The output for this pin is 45 mA.
A7
PVDD_IDAC2
S
2.0 V Power for IDAC2.
C8
CDAMP_IDAC2
AI
Damping Capacitor Pin for IDAC2.
A5
IDAC3
AO
IDAC3 Output. The output for this pin is 80 mA.
C5
PVDD_IDAC3
S
2.0 V Power for the IDAC3.
B4
CDAMP_IDAC3
AI
Damping Capacitor for IDAC3.
A4
IDAC1
AO
IDAC1 Output. The output for this pin is 200 mA.
A1
IDAC1
AO
IDAC1 Output. The output for this pin is 200 mA.
A3
PVDD_IDAC1
S
Power for IDAC1.
A2
PVDD_IDAC1
S
Power for IDAC1.
B1
CDAMP_IDAC1
AI
Damping Capacitor for IDAC1.
A12
IDAC0
AO
IDAC0 Output. The output for this pin is 250 mA.
A9
IDAC0
AO
IDAC0 Output. The output for this pin is 250 mA.
A11
PVDD_IDAC0
S
Power for IDAC0.
A10
PVDD_IDAC0
S
Power for IDAC0.
B12
CDAMP_IDAC0
AI
Damping Capacitor Pin for IDAC0.
B11
IDAC_TST
AI/O
IDAC Test Purposes.
B10
PGND
S
Power Ground.
B9
PGND
S
Power Ground.
M1
AGND
S
Analog Ground.
M6
AGND
S
Analog Ground.
L1
AVDD
S
Analog Supply (3.3 V).
M7
AVDD
S
Analog Supply (3.3 V).
M12
AGND
S
Analog Ground.
B6
AGND
S
Analog Ground.
L12
AVDD
S
Analog Supply (3.3 V).
C7
AVDD
S
Analog Supply (3.3 V).
B7
AVDD_IDAC
S
Output of 2.5 V LDO regulator for internal IDACs. A 470 nF capacitor to AGND must be
connected to this pin.
G1
DVDD
S
Output of 2.6 V On-Chip LDO Regulator. A 470 nF capacitor to DGND must be
connected to this pin.
G12
DVDD
S
Output of 2.6 V On-Chip LDO Regulator. A 470 nF capacitor to DGND must be
connected to this pin.
F1
DGND
S
Digital Ground.
F12
DGND
S
Digital Ground.
H1
IOVDD
S
3.3 V GPIO Supply.
J1
IOGND
S
3.3 V GPIO Ground.
H12
IOVDD
S
3.3 V GPIO Supply.
J12
IOGND
S
3.3 V GPIO Ground.
G2
XTALO
DO
Crystal Oscillator Inverter Output. If an external crystal is not being used, this pin can
remain unconnected.
H2
XTALI
DI
Crystal Oscillator Inverter Input and Internal Clock Generator Circuits Input. If an
external crystal is not being used, connect this pin to the DGND system ground.
F10
TCK
DI
JTAG Test Port Input, Test Clock. Debug and download access.
E10
TMS
DI
JTAG Test Port Input, Test Mode Select. Debug and download access.
1
A is analog, D is digital, I is input, O is output, and S is supply, NC is no connect.
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