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HD6432351 датащи(PDF) 38 Page - Renesas Technology Corp |
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HD6432351 датащи(HTML) 38 Page - Renesas Technology Corp |
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38 / 1025 page ![]() Section 1 Overview Rev. 3.00 Sep 15, 2006 page 4 of 988 REJ09B0330-0300 Item Specification I/O ports • 87 I/O pins, 8 input-only pins Memory • Mask ROM • High-speed static RAM Product Name ROM RAM H8S/2350 — 2 kbytes H8S/2351 64 kbytes 2 kbytes Interrupt controller • Nine external interrupt pins (NMI, IRQ0 to IRQ7) • 42 internal interrupt sources • Eight priority levels settable Power-down state • Medium-speed mode • Sleep mode • Module stop mode • Software standby mode • Hardware standby mode Operating modes Seven MCU operating modes External Data Bus Mode CPU Operating Mode Description On-Chip ROM Initial Value Maximum Value 1 Normal On-chip ROM disabled expansion mode Disabled 8 bits 16 bits 2* On-chip ROM enabled expansion mode Enabled 8 bits 16 bits 3* Single-chip mode Enabled — — 4 Advanced On-chip ROM disabled expansion mode Disabled 16 bits 16 bits 5 On-chip ROM disabled expansion mode Disabled 8 bits 16 bits 6* On-chip ROM enabled expansion mode Enabled 8 bits 16 bits 7* Single-chip mode Enabled — — Note: * Only applies to the H8S/2351. |
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