ADUC7023 Analog Devices, ADUC7023 Datasheet - Page 16

• Manufacturer Part Number: ADUC7023
• Description: Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU
• Manufacturer: Analog Devices

Specifications of ADUC7023

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 8192Bytes
• Gpio Pins: 20
• Adc # Channels: 12
• Other: PWM

ADuC7023
40-LFCSP
9
10
11
12
21
22
16
15
29
7
34
33
14
13
35
40
1
Pin No.
32-LFCSP
7
8
9
10
17
18
N/A
N/A
N/A
N/A
26
25
12
11
27
32
1
Mnemonic
P0.4/IRQ0/SCL0/PLAI[0]/CONV
P0.5/SDA0/PLAI[1]/COMP
P0.6/MISO/SCL1/PLAI[2]
P0.7/MOSI/SDA1/PLAO[0]
XCLKI
XCLKO
P1.7/PWM3/SDA1/PLAI[6]
P1.6/PWM2/SCL1/PLAI[5]
P1.5/ADC6/PWM
P1.4/ADC10/PLAO[3]
P1.3/ADC5/IRQ3/PLAI[4]
P1.2/ADC4/IRQ2/PLAI[3]/ECLK/
P1.1/SS/IRQ1/PWM1/PLAO[2]/T1
P1.0/SPICLK/PWM0/PLAO[1]
V
AGND
AV
REF
DD
TRIPINPUT
/PLAO[4]
OUT
Rev. B | Page 16 of 96
Description
General-Purpose Input and Output Port 0.4/External Interrupt Request
0//I
External Convert Start. By default, this pin is configured as a digital input
with a weak pull-up resistor enabled.
General-Purpose Input and Output Port 0.5/I
Logic Array Input Element 1/Voltage Comparator Output. By default, this
pin is configured as a digital input with a weak pull-up resistor enabled.
General-Purpose Input and Output Port 0.6/SPI MISO Signal/I
32-Lead Package/Programmable Logic Array Input Element 2. By default,
this pin is configured as a digital input with a weak pull-up resistor
enabled.
General-Purpose Input and Output Port 0.7/SPI MOSI Signal/I
Signal On 32-Lead Package/Programmable Logic Array Output Element 0.
By default, this pin is configured as a digital input with a weak pull-up
resistor enabled.
Input to the Crystal Oscillator Inverter and Input to the Internal Clock
Generator Circuits. Connect to DGND if unused.
Output from the Crystal Oscillator Inverter. Leave unconnected if unused.
General-Purpose Input and Output Port 1.7/PWM Output 3/I
Signal/Programmable Logic Array Input Element 6. By default, this pin is
configured as a digital input with a weak pull-up resistor enabled.
General-Purpose Input and Output Port 1.6/PWM Output 2/I
Signal/Programmable Logic Array Input Element 5. By default, this pin is
configured as a digital input with a weak pull-up resistor enabled.
General-Purpose Input and Output Port 1.5/ADC Single-Ended or
Differential Analog Input 6/PWM
Element 4. By default, this pin is configured as a digital input with a weak
pull-up resistor enabled. When used as ADC input, the pull-up resistor
should be disabled manually.
General-Purpose Input and Output Port 1.4/ADC Single-Ended or
Differential Analog Input 10/Programmable Logic Array Output Element 3.
By default, this pin is configured as a digital input with a weak pull-up
resistor enabled. When used as ADC input, the pull-up resistor should be
disabled manually.
General-Purpose Input and Output Port 1.3/ADC Single-Ended or
Differential Analog Input 5/External Interrupt Request 3/Programmable
Logic Array Input Element 4.
By default, this pin is configured as a digital input with a weak pull-up
resistor enabled. When used as ADC input, the pull-up resistor should be
disabled manually.
General-Purpose Input and Output Port 1.2/ADC Single-Ended or
Differential Analog Input 4/External Interrupt Request 2/Programmable
Logic Array Input Element 3/Input-Output for External Clock.
By default, this pin is configured as a digital input with a weak pull-up
resistor enabled. When used as ADC input, the pull-up resistor should be
disabled manually.
General-Purpose Input and Output Port 1.1/SPI Interface Slave Select
(Active Low)/External Interrupt Request 1/PWM Output 1/Programmable
Logic Array Output Element 2/Timer 1 Input Clock. By default, this pin is
configured as a digital input with a weak pull-up resistor enabled.
General-Purpose Input and Output Port 1.0/SPI Interface Clock Signal/
PWM Output 0/Programmable Logic Array Output Element 1. By default,
this pin is configured as a digital input with a weak pull-up resistor
enabled.
2.5 V Internal Voltage Reference. Must be connected to a 0.47 μF capacitor
when using the internal reference.
Analog Ground. Ground reference point for the analog circuitry.
3.3 V Analog Power.
2
C0 Clock Signal/Programmable Logic Array Input Element 0/ADC
TRIPINPUT
/Programmable Logic Array Output
2
C0 Data Signal/Programmable
2
2
2
2
C1 Clock On
C1 Data
C Data
C Clock