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R8CL3AB Datasheet(PDF) 74 Page - Renesas Technology Corp |
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R8CL3AB Datasheet(HTML) 74 Page - Renesas Technology Corp |
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74 / 89 page  5. Electrical Characteristics REJ03B0243-0030 Rev.0.30 Jan 21, 2009 Page 72 of 76 R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group, R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group Under development Preliminary specification Specifications in this manual are tentative and subject to change. i = 0 to 2 Figure 5.10 Input and Output Timing of Serial Interface Notes: 1. When selecting the digital filter by the INTi input filter select bit, use an INTi input HIGH width of either (1/digital filter clock frequency × 3) or the minimum value of standard, whichever is greater. 2. When selecting the digital filter by the INTi input filter select bit, use an INTi input LOW width of either (1/digital filter clock frequency × 3) or the minimum value of standard, whichever is greater. Figure 5.11 Input Timing of External Interrupt INTi and Key Input Interrupt KIi Table 5.28 Timing Requirements of Serial Interface (VCC = 1.8 to 5.5 V, VSS = 0 V, and Topr = −20 to 85°C (N version) / −40 to 85°C (D version), unless otherwise specified.) Symbol Parameter Standard Unit VCC = 2.2V, Topr = 25 °CVCC = 3V, Topr = 25°CVCC = 5V, Topr = 25°C Min. Max. Min. Max. Min. Max. tc(CK) CLKi input cycle time 800 − 300 − 200 − ns tW(CKH) CLKi input “H” width 400 − 150 − 100 − ns tW(CKL) CLKi input “L” width 400 − 150 − 100 − ns td(C-Q) TXDi output delay time − 200 − 80 − 50 ns th(C-Q) TXDi hold time 0 − 0 − 0 − ns tsu(D-C) RXDi input setup time 150 − 70 − 50 − ns th(C-D) RXDi input hold time 90 − 90 − 90 − ns Table 5.29 Timing Requirements of External Interrupt INTi (i = 0 to 7) and Key Input Interrupt KIi (i = 0 to 7) (VCC = 1.8 to 5.5 V, VSS = 0 V, and Topr = −20 to 85°C (N version) / −40 to 85°C (D version), unless otherwise specified.) Symbol Parameter Standard Unit VCC = 2.2V, Topr = 25 °CVCC = 3V, Topr = 25°CVCC = 5V, Topr = 25°C Min. Max. Min. Max. Min. Max. tW(INH) INTi input “H” width, KIi input “H” width 1000 (1) − 380 (1) − 250 (1) − ns tW(INL) INTi input “L” width, KIi input “L” width 1000 (2) − 380 (2) − 250 (2) − ns tW(CKH) tC(CK) tW(CKL) th(C-Q) th(C-D) tsu(D-C) td(C-Q) CLKi TXDi RXDi i = 0 to 2 INTi input (i = 0 to 7) tW(INL) tW(INH) KIi input (i = 0 to 7) |
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