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4508 Datasheet(PDF) 7 Page - Renesas Technology Corp

Part # 4508
Description  SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
PDF  142 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

4508 Datasheet(HTML) 7 Page - Renesas Technology Corp

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4508 Group
Rev.1.02
2006.12.22
page 7 of 140
REJ03B0148-0102
Usage condition
RC oscillation circuit is not selected. (CRCK instruction is not executed.)
N-channel open-drain is selected for the output structure (FR30, FR31 = “0”).
The key-on wakeup function is invalid (K22, K23 = “0”).
N-channel open-drain is selected for the output structure (FR32, FR33 = “0”).
Pull-up transistor is OFF (PU22, PU23 = “0”).
The key-on wakeup function is invalid (K22, K23 = “0”).
SIN pin is not selected (J11 = “0”).
The key-on wakeup function is invalid (K00 = “0”).
N-channel open-drain is selected for the output structure (FR00 = “0”).
Pull-up transistor is OFF (PU00 = “0”).
The key-on wakeup function is invalid (K00 = “0”).
The key-on wakeup function is invalid (K01 = “0”).
N-channel open-drain is selected for the output structure (FR01 = “0”).
Pull-up transistor is OFF (PU01 = “0”).
The key-on wakeup function is invalid (K01 = “0”).
SCK pin is not selected (J11J10 = “00”).
The key-on wakeup function is invalid (K02 = “0”).
N-channel open-drain is selected for the output structure (FR02 = “0”).
Pull-up transistor is OFF (PU02 = “0”).
The key-on wakeup function is invalid (K02 = “0”).
The key-on wakeup function is invalid (K03 = “0”).
N-channel open-drain is selected for the output structure (FR03 = “0”).
Pull-up transistor is OFF (PU03 = “0”).
The key-on wakeup function is invalid (K03 = “0”).
The key-on wakeup function is invalid (K10 = “0”).
N-channel open-drain is selected for the output structure (FR10 = “0”).
Pull-up transistor is OFF (PU10 = “0”).
The key-on wakeup function is invalid (K10 = “0”).
CNTR1 input is not selected for the timer 1 count source (W11, W10
≠ “10”).
The key-on wakeup function is invalid (K11 = “0”).
N-channel open-drain is selected for the output structure (FR11 = “0”).
Pull-up transistor is OFF (PU11 = “0”).
The key-on wakeup function is invalid (K11 = “0”).
CNTR0 input is not selected for the timer 2 count source (W21, W20
≠ “10”).
The key-on wakeup function is invalid (K12 = “0”).
N-channel open-drain is selected for the output structure (FR12 = “0”).
Pull-up transistor is OFF (PU12 = “0”).
The key-on wakeup function is invalid (K12 = “0”).
INT pin input is disabled (I13 = “0”).
The key-on wakeup function is invalid (K13 = “0”).
N-channel open-drain is selected for the output structure (FR13 = “0”).
Pull-up transistor is OFF (PU13 = “0”).
The key-on wakeup function is invalid (K13 = “0”).
The key-on wakeup function is invalid (K20, K21 = “0”).
N-channel open-drain is selected for the output structure (FR20, FR21 = “0”).
Pull-up transistor is OFF (PU20, PU21 = “0”).
The key-on wakeup function is invalid (K20, K21 = “0”).
(Note when connecting to VSS or VDD)
q Connect the unused pins to VSS using the thickest wire at the shortest distance against noise.
CONNECTIONS OF UNUSED PINS
Connection
Connect to VSS.
Open.
Open.
Connect to VSS.
Open.
Connect to VSS.
Open.
Connect to VSS.
Open.
Connect to VSS.
Open.
Connect to VSS.
Open.
Connect to VSS.
Open.
Connect to VSS.
Open.
Connect to VSS.
Open.
Connect to VSS.
Open.
Connect to VSS.
Open.
Connect to VSS.
Pin
XIN
XOUT
D0, D1
D2/AIN4, D3/AIN5
P00/SIN
P01/SOUT
P02/SCK
P03
P10
P11/CNTR1
P12/CNTR0
P13/INT
P20/AIN0, P21/AIN1



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