UPD78F9234MC-5A4-A Datasheet, PDF (351/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 22 ELECTRICAL SPECIFICATIONS (Standard product, (A) grade product)
AC Characteristics
Standard product, (A) grade product TA = −40 to +85°C
(1) Basic operation (TA = −40 to +85°C, VDD = 2.0 to 5.5 V^{Note 1}, VSS = 0 V)
Parameter
Symbol
Conditions
MIN. TYP. MAX. Unit
Cycle time (minimum
TCY
instruction execution time)
Crystal/ceramic oscillation
clock, external clock input
4.0 V ≤ VDD ≤ 5.5 V
3.0 V ≤ VDD < 4.0 V
0.2
0.33
16
μs
16
μs
2.7 V ≤ VDD < 3.0 V 0.4
16
μs
2.0 V ≤ VDD < 2.7 V 1
16
μs
High-speed internal
oscillation clock
4.0 V ≤ VDD ≤ 5.5 V
2.7 V ≤ VDD < 4.0 V
0.23
0.47
4.22
μs
4.22
μs
2.0 V ≤ VDD < 2.7 V 0.95
4.22
μs
TI000 input high-level width, tTIH,
low-level width
tTIL
4.0 V ≤ VDD ≤ 5.5 V
2.0 V ≤ VDD < 4.0 V
2/fsam+
μs
0.1^{Note 2}
2/fsam+
μs
0.2^{Note 2}
Interrupt input high-level
width, low-level width
tINTH,
tINTL
1
μs
RESET input low-level
tRSL
width
2
μs
Notes 1.
2.
Use this product in a voltage range of 2.2 to 5.5 V because the detection voltage (VPOC) of the power-on-
clear (POC) circuit is 2.1 V ±0.1 V.
Selection of fsam = fXP, fXP/4, or fXP/256 is possible using bits 0 and 1 (PRM000, PRM001) of prescaler
mode register 00 (PRM00). Note that when selecting the valid edge of the TI000 pin as the count clock,
fsam = fXP.
CPU Clock Frequency, Peripheral Clock Frequency
Parameter
Conditions
CPU Clock (fCPU)
Peripheral Clock (fXP)
Ceramic resonator,
crystal resonator,
external clock
4.0 to 5.5 V
3.0 to 4.0 V
2.7 to 3.0 V
125 kHz ≤ fCPU ≤ 10 MHz
125 kHz ≤ fCPU ≤ 6 MHz
125 kHz ≤ fCPU ≤ 5 MHz
500 kHz ≤ fXP ≤ 10 MHz
2.0 to 2.7 V^Note
125 kHz ≤ fCPU ≤ 2 MHz
500 kHz ≤ fXP ≤ 5 MHz
High-speed internal
oscillator
4.0 to 5.5 V
2.7 to 4.0 V
500 kHz (TYP.) ≤ fCPU ≤ 8 MHz (TYP.) 2 MHz (TYP.) ≤ fXP ≤ 8 MHz (TYP.)
500 kHz (TYP.) ≤ fCPU ≤ 4 MHz (TYP.)
2.0 to 2.7 V^Note
500 kHz (TYP.) ≤ fCPU ≤ 2 MHz (TYP.) 2 MHz (TYP.) ≤ fXP ≤ 4 MHz (TYP.)
Note Use this product in a voltage range of 2.2 to 5.5 V because the detection voltage (VPOC) of the power-on-clear
(POC) circuit is 2.1 V ±0.1 V.
User’s Manual U17446EJ5V0UD
349