ADUC7129_15 Datasheet, PDF (20/92 Pages) Analog Devices – Precision Analog Microcontroller ARM7TDMI MCU with 12-Bit ADC and DDS DAC

ADuC7128/ADuC7129
Pin
No.
Mnemonic
63
P4.2/AD10
64
P4.3/PWMTRIP/AD11
65
P4.4/AD12
66
P4.5/AD13
68
REFGND
69
VREF
70
71, 72
75
DACGND
AGND
DACVDD
76
ADC11
77
ADC0
78
ADC1
79
ADC2/CMP0
80
ADC3/CMP1
1 _{I = input, O = output, S = supply.}
Type¹
I/O
I/O
I/O
I/O
S
I/O
S
S
S
I
I
I
I
I
Description
General-Purpose Input and Output Port 4.2/External Memory AD10.
General-Purpose Input and Output Port 4.3/PWM Safety Cutoff/External Memory AD11.
General-Purpose Input and Output Port 4.4/External Memory AD12.
General-Purpose Input and Output Port 4.5/External Memory AD13.
Ground for VREF. Typically connected to DGND.
2.5 V Internal Voltage Reference. Must be connected to a 0.47 μF capacitor when using the
internal reference.
Ground for the DAC. Typically connected to AGND.
Analog Ground.
Power Supply for the DAC. This must be supplied with 2.5 V. It can be connected to the LDO
output.
Single-Ended or Differential Analog Input 11.
Single-Ended or Differential Analog Input 0.
Single-Ended or Differential Analog Input 1.
Single-Ended or Differential Analog Input 2/Comparator Positive Input.
Single-Ended or Differential Analog Input 3/Comparator Negative Input.
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