7643 Datasheet, PDF (101/121 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

7643 Group
P21/DB1
61
P20/DB0
62
P74
63
P73/HLDA
64
P72
65
P71/HOLD
66
P70
67
USB D+
68
USB D-
69
Ext.Cap
70
VSS
71
VCC
72
P67
73
P66
74
P65
75
P64
76
P63
77
P62
78
P61
79
P60
80
M37643F8HP
40
P16/AB14
39
P17/AB15
38
P30/RDY
37
P31
36
P32
35
P33/DMAOUT
34
P34/φ OUT
33
P35/SYNCOUT
32
P36/WR
31
P37/RD
30
P80/SRDY
29
P81/SCLK
28
P82/SRXD
27
P83/STXD
26
P84/UTXD
25
P85/URXD
24
P86/CTS
23
P87/RTS
22
P40/EDMA
21
P41/INT0
CE
SCLK
STXD
BUSY
SRXD
VSS
VCC
Mode setup method
Signal
CNVSS
Value
4.5 to 5.25 V
SCLK
VCC (Note)
RESET
VSS → VCC
CE
VCC
Note: It is necessary to apply Vcc only when reset is released.
Connect to oscillator circuit.
Package outline: PLQP0080KB-A
Fig. 87 Pin connection diagram in standard serial I/O mode (2)
Rev.2.00 Aug 28, 2006 page 101 of 119
REJ03B0054-0200