Datasheet

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