upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 438

• Manufacturer Part Number: upd70f3017ay
• Description: V850/sa1tm 32-/16-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

(2) Subclock oscillator (T
438
Oscillation frequency
Oscillation stabilization time
Input frequency
(a) Connection of crystal resonator
Remarks 1. Connect the oscillator as close as possible to the XT1 and XT2 pins.
(b) External clock input
Cautions
Parameter
Parameter
2. Do not route the wiring near broken lines.
3. For the resonator selection and oscillator constant, customers are required to either evaluate the
1. Connect the high-speed CMOS inverter as close as possible to the XT2 pin.
2. Sufficiently evaluate the matching between the V850/SA1 and the high-speed CMOS inverter.
oscillation themselves or apply to the resonator manufacturer for evaluation.
A
= –40 to +85°C)
Symbol
Symbol
f
f
XT
External clock
XT
CHAPTER 17 ELECTRICAL SPECIFICATIONS
XT1
V
V
DD
DD
User’s Manual U12768EJ4V1UD
= 2.7 to 3.6 V
= 2.7 to 3.6 V
XT1
XT2
Conditions
Conditions
High-speed CMOS inverter
XT2
MIN.
MIN.
32
32
32.768
32.768
TYP.
TYP.
10
MAX.
MAX.
35
35
Unit
Unit
kHz
kHz
s