ADuC7060
Pin No.
13
Mnemonic
ADC4/EXT_REF2IN+
Type 1
I
Description
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.
14
15
16
17
18
ADC3
ADC2
IEXC1
IEXC0
GND_SW
I
I
O
O
I
Single-Ended or Differential Analog Input 3. Analog input for the primary and auxiliary ADCs.
Single-Ended or Differential Analog Input 2. Analog input for the primary and auxiliary ADCs.
Programmable Current Source. Analog output pin.
Programmable Current Source. Analog output pin.
Switch to Internal Analog Ground Reference. When this input pin is not used, connect it
directly to the AGND system ground.
19
20
21
22
23
24
25
ADC1
ADC0
VREF+
VREF?
AGND
AVDD
ADC6
I
I
I
I
S
S
I
Positive Differential Input for Primary ADC. Analog input pin.
Negative Differential Input for Primary ADC. Analog input pin.
External Reference Positive Input for the Primary Channel. Analog input pin.
External Reference Negative Input for the Primary Channel. Analog input pin.
Analog Ground.
Analog Supply Pin.
Analog Input 6 for Auxiliary ADC. Single-ended or differential Analog Input 6. Analog input
for the auxiliary ADC.
26
ADC7
I
Analog Input 7 for Auxiliary ADC. Single-ended or differential Analog Input 7. Analog input
for the auxiliary ADC.
27
ADC8
I
Analog Input 8 for Auxiliary ADC. Single-ended or differential Analog Input 8. Analog input
for the auxiliary ADC.
28
ADC9
I
Analog Input 9 for Auxiliary ADC. Single-ended or differential Analog Input 9. Analog input
for the auxiliary ADC.
29
30
31
DGND
DVDD
P0.0/SS
S
S
I/O
Digital Ground.
Digital Supply Pin.
General-Purpose Input and General-Purpose Output P0.0/SPI Slave Select Pin. Active low.
This is a dual function input/output pin.
32
P0.1/SCLK/SCL
I/O
General-Purpose Input and General-Purpose Output P0.1/SPI Clock Pin/I 2 C? Clock Pin. This
is a triple function input/output pin.
33
P0.2/MISO
I/O
General-Purpose Input and General-Purpose Output P0.2/SPI Master Input Slave Output.
This is a dual function input/output pin.
34
P0.3/MOSI/SDA
I/O
General-Purpose Input and General-Purpose Output P0.3/SPI Master Output Slave
Input/I 2 C Data Pin. This is a triple function input/output pin.
35
36
37
XTAL1
XTAL2
P0.4/IRQ0/PWM1
O
I
I/O
External Crystal Oscillator Output Pin.
External Crystal Oscillator Input Pin.
General-Purpose Input and General-Purpose Output P0.4/External Interrupt Request 0/PWM1
Output. This is a triple function input/output pin.
38
P2.0/IRQ2/PWM0/EXTCLK
I/O
General-Purpose Input and General-Purpose Output P2.0/External Interrupt Request 2/PWM0
Output/External Clock Input. This is a triple function input/output pin.
39
P1.4/PWM2
I/O
General-Purpose Input and General-Purpose Output P1.4/PWM2 Output. This is a dual
function input/output pin.
40
P1.5/PWM3
I/O
General-Purpose Input and General-Purpose Output P1.5/PWM3 Output. This is a dual
function input/output pin.
41
P1.6/PWM4
I/O
General-Purpose Input and General-Purpose Output P1.6/PWM4 Output. This is a dual
function input/output pin.
42
P2.1/IRQ3/PWM5
I/O
General-Purpose Input and General-Purpose Output P2.1/External Interrupt Request 3/PWM5
Output. This is a triple function input/output pin.
43
44
45
DGND
DVDD
NTRST/BM
S
S
I
Digital Ground.
Digital Supply Pin.
JTAG Reset/Boot Mode. Input pin used for debug and download only and boot mode (BM).
The ADuC7060 enters serial download mode if BM is low at reset and executes code if BM is
pulled high at reset through a 4.7 kΩ resistor.
Rev. 0 | Page 15 of 100
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