ADUC7028 Analog Devices, ADUC7028 Datasheet - Page 30

• Manufacturer Part Number: ADUC7028
• Manufacturer: Analog Devices

Specifications of ADUC7028

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Flash (kbytes): 62Bytes
• Sram (bytes): 8192Bytes
• Gpio Pins: 40
• Adc # Channels: 8

ADuC7019/20/21/22/24/25/26/27/28/29
Ball No.
E1
E2
E3
E4
E5
E6
E7
F1
F2
F3
F4
F5
F6
F7
G1
G2
G3
G4
G5
G6
G7
Mnemonic
TMS
BM/P0.0/CMP
DAC2
IOV
P3.2/PWM1
P3.5/PWM2
P0.7/ECLK/XCLK/SPM8/PLAO[4]
TDI
P0.6/T1/MRST/PLAO[3]
IOGND
P3.1/PWM0
P3.0/PWM0
RST
P2.0/SPM9/PLAO[5]/CONV
TCK
TDO
LV
DGND
P0.3/TRST/ADC
IRQ0/P0.4/PWM
IRQ1/P0.5/ADC
DD
DD
H
L
L
H
/PLAI[13]
/PLAI[9]
/PLAI[10]
/PLAI[8]
OUT
BUSY
BUSY
TRIP
/PLAI[7]
/PLAO[2]
/PLAO[1]
START
Description
JTAG Test Port Input, Test Mode Select. Debug and download access.
Multifunction I/O Pin. Boot mode. The ADuC7029 enters UART download mode if BM is low
at reset and executes code if BM is pulled high at reset through a 1 kΩ resistor/General-
Purpose Input and Output Port 0.0/Voltage Comparator Output/Programmable Logic Array
Input Element 7.
DAC2 Voltage Output.
3.3 V Supply for GPIO (see Table 78) and Input of the On-Chip Voltage Regulator.
General-Purpose Input and Output Port 3.2/PWM Phase 1 High-Side Output/Programmable
Logic Array Input Element 10.
General-Purpose Input and Output Port 3.5/PWM Phase 2 Low-Side Output/Programmable
Logic Array Input Element 13.
Serial Port Multiplexed. General-Purpose Input and Output Port 0.7/Output for External
Clock Signal/Input to the Internal Clock Generator Circuits/UART/Programmable Logic Array
Output Element 4.
JTAG Test Port Input, Test Data In. Debug and download access.
Multifunction Pin, Driven Low After Reset. General-Purpose Output Port 0.6/Timer1 Input/
Power-On Reset Output/Programmable Logic Array Output Element 3.
Ground for GPIO (see Table 78). Typically connected to DGND.
General-Purpose Input and Output Port 3.1/PWM Phase 0 Low-Side Output/Programmable
Logic Array Input Element 9.
General-Purpose Input and Output Port 3.0/PWM Phase 0 High-Side Output/Programmable
Logic Array Input Element 8.
Reset Input, Active Low.
Serial Port Multiplexed. General-Purpose Input and Output Port 2.0/UART/Programmable
Logic Array Output Element 5/Start Conversion Input Signal for ADC.
JTAG Test Port Input, Test Clock. Debug and download access.
JTAG Test Port Output, Test Data Out. Debug and download access.
2.6 V Output of the On-Chip Voltage Regulator. This output must be connected to a 0.47 μF
capacitor to DGND only.
Ground for Core Logic.
General-Purpose Input and Output Port 0.3/JTAG Test Port Input, Test Reset/ADC
Output.
Multifunction I/O Pin. External Interrupt Request 0, Active High/General-Purpose Input and
Output Port 0.4/PWM Trip External Input/Programmable Logic Array Output Element 1.
Multifunction I/O Pin. External Interrupt Request 1, Active High/General-Purpose Input and
Output Port 0.5/ADC
Rev. D | Page 30 of 96
BUSY
Signal Output/Programmable Logic Array Output Element 2.
BUSY
Signal