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83C51KB 数据表(PDF) 2 Page - Intel Corporation |
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83C51KB 数据表(HTML) 2 Page - Intel Corporation |
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2 / 19 page ![]() 2 83C51KB HIGH PERFORMANCE KEYBOARD MICROCONTROLLER Figure 1. 83C51KB Block Diagram Port 0 Drivers KSO 0–7 P0.0 – P0.7 Port 0 Latch Port 0 Drivers KSO 8–15 P2.0 – P2.7 Port 2 Latch ROM Program Address Register Buffer RAM ACC TMP2 Stack Pointer PC Incrementer Program Counter DPTR TMP1 A3350-01 CLK, Data, LED 0–3 P3.0 – P3.7 ALU PSW Timing and Control Power On Reset Ctrl. B Register SFRs Timer Port 3 Latch Port 3 Drivers KSI 0–7 P1.0 – P1.7 Port 1 Latch Port 1 Drivers RC Osc. RST PSEN# ALE EA# VCC VSS VCC |
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