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3886 Datasheet(PDF) 103 Page - Renesas Technology Corp

Part # 3886
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  380 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

3886 Datasheet(HTML) 103 Page - Renesas Technology Corp

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HARDWARE
1-78
3886 Group User’s Manual
(2) Flash memory mode 2 (serial I/O mode)
The M38869FFAHP/GP has a function to serially input/output the
software commands, addresses, and data required for operation
on the internal flash memory (e. g., read, program, and erase) us-
ing only a few pins. This is called the serial I/O (input/output)
mode. This mode can be selected by driving the SDA (serial data
__
input/output), SCLK (serial clock input ), and OE pins high after
connecting wires as shown in Figures 74 and powering on the VCC
pin and then applying VPPH to the VPP pin.
In the serial I/O mode, the user can use six types of software com-
mands: read, program, program verify, erase, erase verify and
error check.
Serial input/output is accomplished synchronously with the clock,
beginning from the LSB (LSB first).
Fig. 74 Pin connection of M38869FFAHP/GP when operating in serial I/O mode
FUNCTIONAL DESCRIPTION
1
23
4
7
8 9 10 111213 1415161718 19 20
56
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80
P30/PWM00
P31/PWM10
P62/AN2
P61/AN1
P44/RXD
P43/INT1/OBF01
P63/AN3
P64/AN4
P65/AN5
P66/AN6
AVSS
P67/AN7
VREF
VCC
P80/DQ0
P81/DQ1
P82/DQ2
P83/DQ3
P84/DQ4
P85/DQ5
P86/DQ6
P87/DQ7
P42/INT0/OBF00
CNVSS
XIN
XOUT
VSS
RESET
P40/XCOUT
P41/XCIN
P16
P17
P26
P25
P24
P23
P22
P21
P20
P27
M38869FFAHP
M38869FFAGP
Vpp
Vss
Vcc
SDA
*
:Connect to the ceramic oscillation circuit.
indicates the flash memory pin.
*



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