Datasheet

ADuC7060/ADuC7061 Data Sheet
Rev. D | Page 18 of 108
PIN 1
INDICATOR
1RESET
2TMS
3P1.0/IRQ1/SIN/T0
4P1.1/SOUT
5DAC0
6ADC5/EXT_REF2IN−
7ADC4/
EXT_REF2IN+
8ADC3
24 XTALI
23 XTALO
22 P0.3/MOSI/SDA/ADC9
21 P0.2/MISO/ADC8
20 P0.1/SCLK/SCL/ADC7
19 P0.0/SS/ADC6
18 VREF–
17 VREF+
9ADC2
10IEXC1
11IEXC0
12GND_SW
13ADC1
14ADC0
15AGND
16AVDD
32
TCK
31
T
DI
30
TDO
29
NTRST/BM
28
DVDD
27
DGND
26
P2.0/IRQ2/PWM0
25
P0.4/IRQ0/PWM1
ADuC7061
TOP VIEW
(Not to Scale)
07079-003
NOTES
1. THE 32-LEAD LFCSP_VQ HAS AN EXPOSED PADDLE. THIS EXPOSED
PADDLE MUST BE LEFT UNCONNECTED.
Figure 8. 32-Lead LFCSP Pin Configuration
Table 9. ADuC7061 Pin Function Descriptions
Pin No. Mnemonic Type
1
Description
0 EP Exposed Paddle. The 32-lead LFCSP_VQ has an exposed paddle that must be left unconnected.
1
RESET
I Reset Pin. Input pin, active low. An external 1 kΩ pull-up resistor is recommended with this pin.
2
TMS
I
JTAG Test Mode Select. Input pin used for debug and download. An external pull-up resistor
(~100 kΩ) should be added to this pin.
3 P1.0/IRQ1/SIN/T0 I/O General-Purpose Input and General-Purpose Output P1.0/External Interrupt Request 1/Serial
Input/Timer0 Input. This is a multifunction input/output pin offering four functions.
4 P1.1/SOUT I/O General-Purpose Input and General-Purpose Output P1.1/Serial Output. This is a dual function
input/output pin.
5 DAC0 O DAC Output. Analog output pin.
6 ADC5/EXT_REF2IN− I Single-Ended or Differential Analog Input 5/External Reference Negative Input. This is a dual
function analog input pin. The ADC5 serves as the analog input for the auxiliary ADC. The
EXT_REF2IN− serves as the external reference negative input by ADC for the auxiliary channel.
7 ADC4/EXT_REF2IN+ I Multifunction Analog Input Pin. This pin can be used for the single-ended or differential Analog
Input 4, which is the analog input for the auxiliary ADC, or it can be used for the external
reference positive input for the auxiliary channel.
8 ADC3 I Single-Ended or Differential Analog Input 3. Analog input for primary and auxiliary ADCs.
9 ADC2 I Single-Ended or Differential Analog Input 2. Analog input for primary and auxiliary ADCs.
10 IEXC1 O Programmable Current Source. Analog output pin.
11
IEXC0
O
Programmable Current Source. Analog output pin.
12
GND_SW
I
Switch to Internal Analog Ground Reference. When this input pin is not used, connect it directly
to the AGND system ground.
13 ADC1 I Single-Ended or Differential Analog Input 1. Analog input for the primary ADC. Negative differential
input for primary ADC.
14 ADC0 I Single-Ended or Differential Analog Input 0. Analog input for the primary ADC. Positive differential
input for primary ADC.
15 AGND S Analog Ground.
16 AVDD S Analog Supply Pin.
17 VREF+ I External Reference Positive Input for the Primary Channel. Analog input pin.
18 VREF− I External Reference Negative Input for the Primary Channel. Analog input pin.
19 P0.0/
SS
/ADC6 I/O General-Purpose Input and General-Purpose Output P0.0/SPI Slave Select (Active Low)/Input to
Auxiliary ADC6. This is a multifunction input/output pin. Single-ended or differential Analog
Input 6. Analog input for the auxiliary ADC.
20 P0.1/SCLK/SCL/ADC7 I/O General-Purpose Input and General-Purpose Output P0.1/SPI Clock/I
2
C Clock/Input to Auxiliary
ADC7. This is a multifunction input/output pin. Single-ended or differential Analog Input 7.
Analog input for the auxiliary ADC.