Data Sheet
DETAILED BLOCK DIAGRAM
REFGND
GND
REF
IOGND
IOGND
AGND
AGND
AV
DD
IOV
DD
AV
DD
IOV
DD
ADuC7019/20/21/22/24/25/26/27/28/29
DACGND
70
DACV
DD
DGND
8
72
71
67
73
74
53
26
25
54
28
27
37
75
69
ADC0
ADC1
ADC2/CMP0
ADC3/CMP1
ADC4
ADC5
ADC6
ADC7
ADC8
ADC9
ADC10
ADC11
ADCNEG
77
78
79
80
1
2
3
4
5
6
7
76
9
ADuC7026*
12-BIT SAR
ADC 1MSPS
ADC
CONTROL
DAC
CONTROL
MUX
12-BIT
VOLTAGE
OUTPUT DAC
12-BIT
VOLTAGE
OUTPUT DAC
12-BIT
VOLTAGE
OUTPUT DAC
12-BIT
VOLTAGE
OUTPUT DAC
DAC
REF
LV
DD
RST
BUF
10
DAC0*/ADC12
BUF
11
DAC1*/ADC13
BUF
12
DAC2*/ADC14
BUF
13
DAC3*/ADC15
TEMP
SENSOR
29
P3.0/AD0/PWM0
H
/PLAI[8]
P3.1/AD1/PWM0
L
/PLAI[9]
P3.2/AD2/PWM1
H
/PLAI[10]
P3.3/AD3/PWM1
L
/PLAI[11]
P3.4/AD4/PWM2
H
/PLAI[12]
P3.5/AD5/PWM2
L
/PLAI[13]
P3.6/AD6/PWM
TRIP
/PLAI[14]
P3.7/AD7/PWM
SYNC
/PLAI[15]
62kB FLASH/EE
(31k × 16 BITS)
ARM7TDMI
8192 BYTES USER RAM
(2k × 32 BITS)
3-PHASE
PWM
30
31
32
38
39
46
DAC
BM/P0.0/CMP
OUT
/PLAI[7]/MS0
V
REF
20
MUX
CMP
OUT
/IRQ
MCU
CORE
WAKE-UP/
RTC TIMER
POWER SUPPLY
MONITOR
DOWNLOADER
68
47
V
REF
BAND GAP
REFERENCE
OSC
PROG. CLOCK
DIVIDER
44
XCLKO
XCLKI
JTAG
EMULATOR
PLL
45
43
40
41
16
P0.7/ECLK/XCLK/SPM8/PLAO[4]
IRQ0/P0.4/PWM
TRIP
/PLAO[1]/MS1
IRQ1/P0.5/ADC
BUSY
/PLAO[2]/MS2
P4.6/AD14/PLAO[14]
P4.7/AD15/PLAO[15]
18
19
PROG. LOGIC
ARRAY
SPI/I
2
C SERIAL
INTERFACE
UART
SERIAL PORT
SERIAL PORT MULTIPLEXER
55
56
63
64
65
66
62
61
60
59
58
57
52
51
42
14
15
23
22
34
POR
21
49
50
17
33
INTERRUPT
CONTROLLER
35
36
48
24
P1.4/SPM4/PLAI[4]/IRQ2
P1.5/SPM5/PLAI[5]/IRQ3
TMS
P1.0/T1/SPM0/PLAI[0]
P2.4/PWM0
H
/MS0
P2.5/PWM0
L
/MS1
P1.7/SPM7/PLAO[0]
P1.2/SPM2/PLAI[2]
P1.1/SPM1/PLAI[1]
P1.3/SPM3/PLAI[3]
P1.6/SPM6/PLAI[6]
P0.6/T1/MRST/PLAO[3]
P2.1/WS/PWM0
H
/PLAO[6]
P0.3/TRST/A16/ADC
BUSY
P2.2/RS/PWM0
L
/PLAO[7]
P4.0/AD8/PLAO[8]
P4.1/AD9/PLAO[9]
P2.6/PWM1
H
/MS2
P2.7/PWM1
L
/MS3
P2.3/AE
TDI
TDO
TCK
P2.0/SPM9/PLAO[5]/CONV
START
P4.2/AD10/PLAO[10]
P4.3/AD11/PLAO[11]
P4.4/AD12/PLAO[12]
P4.5/AD13/PLAO[13]
Figure 11.
Rev. F | Page 9 of 104
04955-002
* SEE ORDERING GUIDE FOR
FEATURE AVAILABILITY ON
DIFFERENT MODELS.
P0.2/PWM2
L
/BHE
P0.1/PWM2
H
/BLE
AD [ ANALOG DEVICES ]
