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Port P5(8)
8
Port P6(6)
6
Port P7(8)
8
Port P8(8)
RAM
8
Port P9(2)
2
Port P0(8)
A-D converter
(10-bit X 12 channel)
Serial I/O
Serial I/O1(Clock-synchronized)
(256 byte automatic transfer)
Serial I/O2
(Clock-synchronized or UART)
Timers
Timer X(16-bit)
Timer 1(8-bit)
Timer 2(8-bit)
Timer 3(8-bit)
Timer 4(8-bit)
Timer 5(8-bit)
Timer 6(8-bit)
System clock generation
X
IN-XOUT
(main-clock)
X
CIN-XCOUT
(sub-clock)
I/O ports
Build-in peripheral functions
8
Port P1(8)
8
Port P2(8)
8
Port P3(8)
8
Port P4(8)
1
7
ROM
Memory
CPU core
PWM1(8-bit)
PWM0(14-bit)
FLD display function
Buzzer output
Watchdog timer
Interrupt interval
determination function
40 control pins
(36 high-breakdown voltage ports)
65P57/SRDY2/SCLK22 40 P30/FLD24
66P56/SCLK21 39 P31/FLD25
67P55/TXD 38 P32/FLD26
68P54/RXD 37 P33/FLD27
69P53/SCLK12 36 P34/FLD28
70P52/SCLK11 35 P35/FLD29
71P51/SOUT1 34 P36/FLD30
72P50/SIN1 33 P37/FLD31
73AVSS 32 P80/FLD32
74VREF 31 P81/FLD33
75P6t/SSTB1/AN11 30 P82/FLD34
76P64/INT4/SBUSY1/AN10 29 P83/FLD35
77P63/AN9 28 VEE
78P62/SRDY1/AN8 27 P84/FLD36
79P77/AN7 26 P85/RTP0/FLD37
80P76/AN6 25 P86/RTP1/FLD38
1P75/AN5
64 P20/BUZ02/FLD0
2P74/AN4
63 P21/FLD1
3P73/AN3
62 P22/FLD2
4P72/AN2
61 P23/FLD3
5P71/AN1
60 P24/FLD4
6P70/AN0
59 P25/FLD5
7P61/CNTR0/CNTR2
58 P26/FLD6
8P60/CNTR1
57 P27/FLD7
9P47/INT2
56 P00/FLD8
10RESET
55 P01/FLD9
11P91/XCOUT
54 P02/FLD10
12P90/XCIN
53 P03/FLD11
13VSS
52 P04/FLD12
14XIN
51 P05/FLD13
15XOUT
50 P06/FLD14
16VCC
49 P07/FLD15
17P46/T3OUT
48 P10/FLD16
18P45/T1OUT
47 P11/FLD17
19P44/PWM1
46 P12/FLD18
20P43/BUZ01
45 P13/FLD19
21P42/INT3
44 P14/FLD20
22P41/INT1
43 P15/FLD21
23P40/INT0
42 P16/FLD22
24P87/PWM0/FLD39
41 P17/FLD23
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U301: M38B57MC