r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1599

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Notes: 1. With a crystal resonator connected on EXTAL and XTAL, the maximum frequency is 34
Item
MODE reset hold time
PRESET assert time
PLL synchronization settling time
TRST reset hold time
PRESET input rise time
PRESET input fall time
2. The load capacitance connected on the CLKOUT pin should be not greater than 50 pF.
3. t
4. This applies to clock operating modes 0, 1, 2, and 3 (see table 15.2).
5. This applies to clock operating modes 8, 9, 10, and 11 (see table 15.2).
6. This applies to clock operating modes 16, 17, 18, and 19 (see table 15.2).
MHz. When using a third-order overtone crystal resonator, a tank circuit must be
connected externally.
cyc
is the period of one CLKOUT clock cycle.
Note: When the clock is input from the EXTAL pin.
1/2V
MODE13 to MODE11,
MODE8 to MODE5
MODE14, MODE10,
MODE9, MODE4 to
MODE0
Figure 32.1 EXTAL Clock Input Timing
DDQ
V
IH
t
EXH
V
IH
Symbol
t
t
t
t
t
t
MDRH
RESW
PLL
TRSTRH
PRr
PRf
t
EXcyc
V
t
EXf
IL
t
EXL
Min.
20
20
400
0
⎯
⎯
Rev.1.00 Jan. 10, 2008 Page 1569 of 1658
V
IL
Max.
⎯
⎯
⎯
⎯
20
20
1/2V
V
32. Electrical Characteristics
t
IH
EXr
DDQ
Unit
ns
t
μs
ns
μs
μs
cyc
REJ09B0261-0100
Figure
32.6
32.4
32.4
32.5
32.4
32.6
32.6