ADUC7028_15 Datasheet, PDF (28/104 Pages) Analog Devices – Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU

ADuC7019/20/21/22/24/25/26/27/28/29
ADuC7026/ADuC7027
Data Sheet
ADC4 1
ADC5 2
ADC6 3
ADC7 4
ADC8 5
ADC9 6
ADC10 7
GNDREF 8
ADCNEG 9
DAC0/ADC12 10
DAC1/ADC13 11
DAC2/ADC14 12
DAC3/ADC15 13
TMS 14
TDI 15
P0.1/PWM2_H/BLE 16
P2.3/AE 17
P4.6/AD14/PLAO[14] 18
P4.7/AD15/PLAO[15] 19
BM/P0.0/CMP_OUT/PLAI[7]/MS0 20
PIN 1
INDICATOR
ADuC7026/
ADuC7027
TOP VIEW
(Not to Scale)
60 P1.2/SPM2/PLAI[2]
59 P1.3/SPM3/PLAI[3]
58 P1.4/SPM4/PLAI[4]/IRQ2
57 P1.5/SPM5/PLAI[5]/IRQ3
56 P4.1/AD9/PLAO[9]
55 P4.0/AD8/PLAO[8]
54 IOV_DD
53 IOGND
52 P1.6/SPM6/PLAI[6]
51 P1.7/SPM7/PLAO[0]
50 P2.2/RS/PWM0_L/PLAO[7]
49 P2.1/WS/PWM0_H/PLAO[6]
48 P2.7/PWM1_L/MS3
47 P3.7/AD7/PWM_SYNC/PLAI[15]
46 P3.6/AD6/PWM_TRIP/PLAI[14]
45 XCLKI
44 XCLKO
43 P0.7/ECLK/XCLK/SPM8/PLAO[4]
42 P2.0/SPM9/PLAO[5]/CONV_START
41 IRQ1/P0.5/ADC_BUSY/PLAO[2]/MS2
Figure 25. 80-Lead LQFP Pin Configuration (ADuC7026/ADuC7027)
Table 13. Pin Function Descriptions (ADuC7026/ADuC7027)
Pin No. Mnemonic
Description
1
ADC4
Single-Ended or Differential Analog Input 4.
2
ADC5
Single-Ended or Differential Analog Input 5.
3
ADC6
Single-Ended or Differential Analog Input 6.
4
ADC7
Single-Ended or Differential Analog Input 7.
5
ADC8
Single-Ended or Differential Analog Input 8.
6
ADC9
Single-Ended or Differential Analog Input 9.
7
ADC10
Single-Ended or Differential Analog Input 10.
8
GNDREF
Ground Voltage Reference for the ADC. For optimal performance, the analog power supply
should be separated from IOGND and DGND.
9
ADCNEG
Bias Point or Negative Analog Input of the ADC in Pseudo Differential Mode. Must be connected
to the ground of the signal to convert. This bias point must be between 0 V and 1 V.
10
DAC0/ADC12
DAC0 Voltage Output/Single-Ended or Differential Analog Input 12. DAC outputs are not
present on the ADuC7027.
11
DAC1/ADC13
DAC1 Voltage Output/Single-Ended or Differential Analog Input 13. DAC outputs are not
present on the ADuC7027.
12
DAC2/ADC14
DAC2 Voltage Output/Single-Ended or Differential Analog Input 14. DAC outputs are not
present on the ADuC7027.
13
DAC3/ADC15
DAC3 Voltage Output/Single-Ended or Differential Analog Input 15. DAC outputs are not
present on the ADuC7027.
14
TMS
JTAG Test Port Input, Test Mode Select. Debug and download access.
15
TDI
JTAG Test Port Input, Test Data In. Debug and download access.
16
P0.1/PWM2H/BLE
General-Purpose Input and Output Port 0.1/PWM Phase 2 High-Side Output/External Memory
Byte Low Enable.
17
P2.3/AE
General-Purpose Input and Output Port 2.3/External Memory Access Enable.
Rev. F | Page 28 of 104