ADUC7122 Analog Devices, ADUC7122 Datasheet - Page 17

• Manufacturer Part Number: ADUC7122
• Description: Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI® MCU
• Manufacturer: Analog Devices

Specifications of ADUC7122

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 8192Bytes
• Gpio Pins: 32
• Adc # Channels: 13

Pin No.
E12
L8
L5
B8
K6
K7
L6
M5
L7
M8
K5
K4
M4
L4
K3
M3
M10
M9
L9
K9
K8
K1
K2
J2
L2
M2
L3
M11
L11
L10
K10
K11
K12
B5
C6
A6
A8
A7
C8
A5
C5
B4
A4
A1
A3
A2
B1
A12
Mnemonic
P3.7/BM/PLAO[11]
V
V
NC
BUF_VREF1
BUF_VREF2
PADC0P
PADC0N
PADC1P
PADC1N
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
ADC8
ADC9
ADC10/AINCM
DAC0
DAC1
DAC2
DAC3
DAC4
DAC5
DAC6
DAC7
DAC8
DAC9
DAC10
DAC11
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
REF
REF
_2.5
_1.2
Type
I/O
AI/O
AI/O
NC
AO
AO
AI
AI
AI
AI
AI
AI
AI
AI
AI
AI
AI
AI
AI
AI
AI
AO
AO
AO
AO
AO
AO
AO
AO
AO
AO
AO
AO
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
1
Description
General-Purpose Input and Output Port 3.7 (P3.7).
Boot Mode (BM). If BM is low and Address 0x00014 of Flash is 0xFFFFFFFF, then the
part enters I
Output of PLA Element 11 (PLAO[11]).
2.5 V Reference Output, External 2.5 V Reference Input. Can be used to drive the anode
of a photo diode
1.2 V Reference Output, External 1.2 V Reference Input. Cannot be used to source
current externally.
No Connect.
Buffered 2.5 V Bias. Maximum load = 1.2 mA.
Buffered 2.5 V Bias. Maximum load = 1.2 mA.
PADC0 Positive Input Channel. PGA-based ADC input channel.
PADC0 Negative Input Channel. PGA-based ADC input channel.
PADC1 Positive Input Channel. PGA-based ADC input channel.
PADC1 Negative Input Channel. PGA-based ADC input channel.
Single-Ended or Differential Analog Input 0.
Single-Ended or Differential Analog Input 1.
Single-Ended or Differential Analog Input 2.
Single-Ended or Differential Analog Input 3.
Single-Ended or Differential Analog Input 4.
Single-Ended or Differential Analog Input 5.
Single-Ended or Differential Analog Input 6.
Single-Ended or Differential Analog Input 7.
Single-Ended or Differential Analog Input 8.
Single-Ended or Differential Analog Input 9.
Single-Ended or Differential Analog Input 10.
Common Mode for Pseudo Differential Input (AINCM).
12-Bit DAC Output.
12-Bit DAC Output.
12-Bit DAC Output.
12-Bit DAC Output.
12-Bit DAC Output.
12-Bit DAC Output.
12-Bit DAC Output.
12-Bit DAC Output.
12-Bit DAC Output.
12-Bit DAC Output.
12-Bit DAC Output.
12-Bit DAC Output.
No Connect.
No Connect.
No Connect.
No Connect.
No Connect.
No Connect.
No Connect.
No Connect.
No Connect.
No Connect.
No Connect.
No Connect.
No Connect.
No Connect.
No Connect.
Rev. 0 | Page 17 of 96
2
C download after the next rest sequence.
ADuC7122