参数资料
型号: ADUC7121BBCZ
厂商: Analog Devices Inc
文件页数: 10/96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
ADuC7121
Data Sheet
Rev. B | Page 18 of 96
Pin No.
Mnemonic
Type1
Description
D1
P3.2/IRQ4/PWM3/PLAO[2]
I/O
General-Purpose Input and Output Port 3.2 (P3.2).
External Interrupt Request 4, Active High (IRQ4).
Pulse-Width Modulator 3 Output (PWM3).
Programmable Logic Array for Output Element 2 (PLAO[2]).
E1
P3.3/IRQ5/PWM4/PLAO[3]
I/O
General-Purpose Input and Output Port 3.3 (P3.3).
External Interrupt Request 5, Active High (IRQ5).
Pulse-Width Modulator 4 Output (PWM4).
Programmable Logic Array for Output Element 3 (PLAO[3]).
E2
P3.4/PLAO[8]
I/O
General-Purpose Input and Output Port 3.4 (P3.4).
Programmable Logic Array for Output Element 8 (PLAO[8]).
F2
P3.5/PLAO[9]
I/O
General-Purpose Input and Output Port 3.5 (P3.5).
Programmable Logic Array for Output Element 9 (PLAO[9]).
D12
P3.6/PLAO[10]
I/O
General-Purpose Input and Output Port 3.6 (P3.6).
Programmable Logic Array for Output Element 10 (PLAO[10]).
E12
P3.7/BM/PLAO[11]
I/O
General-Purpose Input and Output Port 3.7 (P3.7).
Programmable Logic Array for Output Element 11 (PLAO[11]).
L8
VREF_2.5
AI/O
2.5 V Reference Output and External 2.5 V Reference Input.
L5
VREF_1.2
AI/O
1.2 V Reference Output and External 1.2 V Reference Input. Cannot be used to source
current externally.
B8
IREF
AI/O
Generates Reference Current for IDACs. Set by the external resistor, REXT.
K6
BUF_VREF1
AO
Buffered 2.5 V. The maximum load for BUF_VREF1 is 1.2 mA.
K7
BUF_VREF2
AO
Buffered 2.5 V. The maximum load for BUF_VREF2 is 1.2 mA.
L6
PADC0P
AI
PGA Channel 0+.
M5
PADC0N
AI
PGA Channel 0.
L7
PADC1P
AI
PGA Channel 1+.
M8
PADC1N
AI
PGA Channel 1.
K5
NC
No Connect. Do not connect to this pin.
K4
NC
No Connect. Do not connect to this pin.
M4
NC
No Connect. Do not connect to this pin.
L4
NC
No Connect. Do not connect to this pin.
K3
ADC4
AI
Single-Ended or Differential Analog Input 4.
M3
ADC5
AI
Single-Ended or Differential Analog Input 5.
M10
ADC6
AI
Single-Ended or Differential Analog Input 6.
M9
ADC7
AI
Single-Ended or Differential Analog Input 7.
L9
ADC8
AI
Single-Ended or Differential Analog Input 8.
K9
ADC9
AI
Single-Ended or Differential Analog Input 9.
K8
ADC10/AINCM
AI
Single-Ended or Differential Analog Input 10 (ADC10).
Common Mode (AINCM). The common-mode function of this pin is for pseudo
differential input.
K1
DAC0
AO
12-Bit DAC0 Output.
K2
DAC1
AO
12-Bit DAC1 Output.
J2
NC
No Connect. Do not connect to this pin.
L2
NC
No Connect. Do not connect to this pin.
M2
NC
No Connect. Do not connect to this pin.
L3
NC
No Connect. Do not connect to this pin.
M11
DAC2
AO
12-Bit DAC2 Output.
L11
NC
No Connect. Do not connect to this pin.
L10
NC
No Connect. Do not connect to this pin.
K10
NC
No Connect. Do not connect to this pin.
K11
NC
No Connect. Do not connect to this pin.
K12
DAC3
AO
12-Bit DAC3 Output.
B5
IDAC4
AO
IDAC4 Output. The output for this pin is 20 mA.
C6
PVDD_IDAC4
S
2.0 V Power for IDAC4.
A6
CDAMP_IDAC4
AI
Damping Capacitor Pin for IDAC4.
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