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UPD784938 Datasheet(PDF) 98 Page - NEC |
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UPD784938 Datasheet(HTML) 98 Page - NEC |
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98 / 733 page  98 CHAPTER 3 CPU ARCHITECTURE Preliminary User’s Manual U13987EJ1V0UM00 Table 3-6. List of Special Function Registers (SFRs) (1/5) AddressNote Special Function Register (SFR) Name Symbol R/W Manipulable Bit Units After Reset 1 Bit 8 Bits 16 Bits 0FF00H Port 0 P0 R/W √√ — Undefined 0FF01H Port 1 P1 √√ — 0FF02H Port 2 P2 R √√ — 0FF03H Port 3 P3 R/W √√ — 0FF04H Port 4 P4 √√ — 0FF05H Port 5 P5 √√ — 0FF06H Port 6 P6 √√ — 00H 0FF07H Port 7 P7 √√ — Undefined 0FF09H Port 9 P9 √√ — 0FF0AH Port 10 P10 √√ — 0FF0EH Port 0 buffer register P0L √√ — 0FF0FH Port 0 buffer register H P0H √√ — 0FF10H Compare register (timer/event counter 0) CR00 — — √ 0FF12H Capture/compare register (timer/event counter 0) CR01 — — √ 0FF14H Compare register L (timer/event counter 1) CR10 CR10W — √√ 0FF15H Compare register H (timer/event counter 1) — — — 0FF16H Capture/compare register L (timer/event counter 1) CR11 CR11W — √√ 0FF17H Capture/compare register H (timer/event counter 1) — — — 0FF18H Compare register L (timer/event counter 2) CR20 CR20W — √√ 0FF19H Compare register H (timer/event counter 2) — — — 0FF1AH Capture/compare register L (timer/event counter 2) CR21 CR21W — √√ 0FF1BH Capture/compare register H (timer/event counter 2) — — — 0FF1CH Compare register L (timer 3) CR30 CR30W — √√ 0FF1DH Compare register H (timer 3) — — — 0FF20H Port 0 mode register PM0 √√ — FFH 0FF21H Port 1 mode register PM1 √√ — 0FF23H Port 3 mode register PM3 √√ — 0FF24H Port 4 mode register PM4 √√ — 0FF25H Port 5 mode register PM5 √√ — 0FF26H Port 6 mode register PM6 √√ — 0FF27H Port 7 mode register PM7 √√ — 0FF29H Port 9 mode register PM9 √√ — 0FF2AH Port 10 mode register PM10 √√ — 0FF2EH Real-time output port control register RTPC √√ — 00H 0FF30H Capture/compare control register 0 CRC0 — √ — 10H Note When the LOCATION 0 instruction is executed. When the LOCATION 0FH instruction is executed, “F0000H” should be added to the value shown. |
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