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H8S/2225 数据表(PDF) 890 Page - Renesas Technology Corp

部件名 H8S/2225
功能描述  16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series
PDF  1071 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8S/2225 数据表(HTML) 890 Page - Renesas Technology Corp

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Section 25 Power Supply Circuit
Rev. 5.00 Aug 08, 2006 page 804 of 982
REJ09B0054-0500
CVCC
VSS
Internal
logic
Step-down circuit
Internal
power
supply
Stabilization
capacitance
(approx. 0.1
µF)
VCC
H8S/2258 Group: VCC = 4.0 V to 5.5 V
H8S/2238B, H8S/2236B:
VCC = 2.7 V to 5.5 V
(In the F-ZTAT version,
VCC = 3.0 V to 5.5 V)
Figure 25.1 Power Supply Connection for H8S/2258 Group, H8S/2238B, and H8S/2236B
(On-Chip Internal Power Supply Step-Down Circuit)
25.3
Power Supply Connection for H8S/2239 Group, H8S/2238R,
H8S/2236R, H8S/2237 Group, and H8S/2227 Group (No Internal
Power Supply Step-Down Circuit)
The H8S/2239 Group, H8S/2238R, H8S/2236R, H8S/2237 Group, and H8S/2227 Group do not
have an on-chip internal power supply voltage step-down circuit. Connect the external power
supply to the VCC pin and CVCC pin, as shown in figure 25.2. The external power supply is then
input directly to the internal power supply.
Note: The permissible range for the power supply voltage is 2.2 V to 3.6 V (in the F-ZTAT
version, 2.7 V to 3.6 V). Operation cannot be guaranteed if a voltage outside this range
(less than 2.2 V or more than 3.6 V) is input.
CVCC
VSS
Internal
logic
Internal
power
supply
VCC
VCC = 2.2 V to 3.6 V
(In the F-ZTAT version,
VCC = 2.7 V to 3.6 V)
Figure 25.2 Power Supply Connection for H8S/2239 Group, H8S/2238R, H8S/2236R,
H8S/2237 Group, and H8S/2227 Group (No Internal Power Supply Step-Down Circuit)



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