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R7KA8M2AFECAC bảng dữ liệu(HTML) 268 Page - Renesas Technology Corp |
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268 / 295 page  2.15.4 Option Setting Memory (OTP area without ECC) Characteristics Table 2.119 Option Setting Memory (OTP area without ECC) Characteristics Parameter MRPCLK = 125 MHz MRPCLK = 100 MHz MRPCLK = 75 MHz MRPCLK = 66 MHz Min Typ *1 Max Min Typ *1 Max Min Typ *1 Max Min Typ *1 Max Programming time of 16- byte*3 *4 Normal speed write mode (MWMCR. MWM[1:0] = 00) tOTP ENE — 14.1 *2 200 — 14.1 *2 200 — 14.1 *2 200 — 14.1 *2 200 ms — High speed write mode 0 (MWMCR. MWM[1:0] = 01) — 7.07 *2 100 — 7.07 *2 100 — 7.07 *2 100 — 7.07 *2 100 ms — High speed write mode 1 (MWMCR. MWM[1:0] = 10) — 0.45 8*2 6.28 — 0.45 8*2 6.28 — 0.45 8*2 6.28 — 0.45 8*2 6.28 ms — Note 1. The reference value at VCC = 3.3 V and room temperature. Note 2. Perform rewrite 50% of bits at Typ. condition. Note 3. To calculate the updating time at other frequencies, using approximate formula below listed. (FMRPCLK: frequency of MRPCLK [MHz]) tOTPENE (Typ) = 0.8486/FMRPCLK + 14.25 [ms], tOTPENE (Max) = 7.711/FMRPCLK + 201.5 [ms] for normal speed mode. tOTPENE (Typ) = 0.5479/FMRPCLK + 7.133 [ms], tOTPENE (Max) = 4.148/FMRPCLK + 100.8 [ms] for high speed mode 0. tOTPENE (Typ) = 0.2571/FMRPCLK + 0.4627 [ms], tOTPENE (Max) = 0.7401/FMRPCLK + 6.333 [ms] for high speed mode 1. Note 4. Read and program operations for the extra MRAM cannot be executed simultaneously. This value is for independent program operation without arbitration between read and program. 2.15.5 MACI Command Characteristics Table 2.120 MACI command Characteristics Parameter MRPCLK = 125 MHz MRPCLK = 100 MHz MRPCLK = 75 MHz MRPCLK = 66 MHz Min Typ *1 Max Min Typ *1 Max Min Typ *1 Max Min Typ *1 Max Command time for forced stop command*2 tFS — — 3.35 — — 3.38 — — 3.47 — — 3.7 µs — Command time for increment counter*2 tINC C — 0.25 2 1.61 — 0.25 2 1.61 — 0.25 2 1.61 — 0.25 2 1.61 ms — Command time for read counter*2 tRD C — — 0.15 6 — — 0.18 2 — — 0.24 3 — — 0.27 6 µs — Note 1. The reference value at VCC = 3.3 V and room temperature. Note 2. To calculate the updating time at other frequencies, using approximate formula below listed. (FMRPCLK: frequency of MRPCLK [MHz]) tFS (Max) = 38.62/FMRPCLK + 3.155 [us] tINCC (Typ) = 0.3348/FMRPCLK + 0.2533 [msec], tINCC (Max) = 0.8698/FMRPCLK + 1.62 [msec] tRDC (Max) = 19.13/FMRPCLK + 0.004099 [usec] RA8M2 Datasheet 2. Electrical Characteristics R01DS0438EJ0130 Rev.1.30 Feb 27, 2026 Page 268 of 295 |
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