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M38C89MB Datasheet(PDF) 4 Page - Renesas Technology Corp

Part # M38C89MB
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PDF  55 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M38C89MB Datasheet(HTML) 4 Page - Renesas Technology Corp

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FUNCTIONAL BLOCK DIAGRAM (Package: 144P6Q-A)
Data bus
CPU
A
X
Y
S
PCH
PCL
PS
RESET
VCC
VSS
Reset input
ROM
RAM
LCD RAM
(240 byte)
5156
18
VSS
59
I/O port P2
P2 (8)
I/O port P0
P0 (8)
I/O port P1
P1 (8)
I/O port P3
4142
35 36 37 3839404950
43 4445464748
19 202122
6364
2324
I/O port P4
32
31
30
29
2833
65 66
27
2526
P3 (4)
P4 (7)
Clock
input
XOUT
Sub-clock
output
Sub-clock
input
LCD
controller
Timer X (16)
Timer Y (16)
Timer 1 (8)Timer 2 (8)
Timer 3 (8)
φ
61
58
COM9
SEG3/COM19
SEG4/COM20
SEG5/COM21
SEG6/COM22
SEG7/COM23
SEG8
SEG9
SEG10
SEG11
SEG12
COM15
COM14
COM13
COM12
COM11
COM10
SEG0/COM16
SEG1/COM17
SEG2/COM18
COM4
COM5
COM6
COM7
COM1
COM2
COM3
1
144
143
142
141
140
139
A-D converter (10)
Serial I/O (8)
COM0
COM8
2
5
4
3
6
XIN
Clock
output
Timer
XCOUT
54
53
XCIN
VL5
9
8
7
VL4
VL3
VL2
VL1
12
13
14
15
C3
C2
C1
VLIN
10
11
138
137
136
135
134
133
132
131
130
67
SEG64/COM27
SEG65/COM26
SEG66/COM25
SEG67/COM24
SEG60/COM31
SEG61/COM30
SEG62/COM29
SEG63/COM28
SEG59
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
SEG58
85
SEG57
86
SEG56
87
SEG55
57
RC
oscillation
select
OSCSEL
Clock generating circuit
34



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