BU24591 Datasheet, PDF (6/8 Pages) Rohm – 4bit 1chip micro-controller for CD-DA

Optical ICs
BU24591
!Electrical characteristics (unless otherwise noted, Ta=25°C, VDD=3V)
Parameter
STOP current
Operation current
Clock frequency
Input "H" voltage 1
Input "H" voltage 2
Input "L" voltage 1
Input "L" voltage 2
Input "H" current 1
Symbol
IDDST
IDDOP
fOSC
VIH1
VIH2
VIL1
VIL2
IIH1
Pin
OSC1, OSC2
P00 to P03, P10 to P13,
P20 to P23, T0, T1,
ADC0 to ADC7
W0 to W3, BIN, SIN0,
SIN1, SIO0, SIO1,
SCK0, SCK1, PWC,
RESET, TEST
OSC1
P00 to P03, P10 to P13,
P20 to P23, T0, T1,
ADC0 to ADC7
W0 to W3, BIN, SIN0,
SIN1, SIO0, SIO1,
SCK0, SCK1, PWC,
RESET,TEST
OSC1
P00 to P03, P10 to P13,
P20 to P23, W0 to W3,
BIN, SIN0, SIN1, SIO0
SIO1, SCK0, SCK1,
ADC0 to ADC7, PWC, T0
T1, RESET, OSC1
Min.
−
−
2
2.25
2.4
−
−
−
Typ.
−
1.4
−
−
−
−
−
−
Input "H" current 2
IIH2
TEST
120 230
Input "L" current 1
Input "L" current 2
P00 to P03, P10 to P13,
P20 to P23, W0 to W3,
IIL1
BIN, SIN0, SIN1, SIO0,
SIO1, SCK0, SCK1,
−
−
ADC0 to ADC7, PWC, T0
T1, RESET, TEST, OSC1
P00 to P03, P10 to P13,
IIL2
P20 to P23, W0 to W3,
−35 −82
BIN
Output "H" voltage 1
SIO0, SIO1, SCK0, SCK1
VOH1 SEG00 to SEG19,
2.4
−
COM0 to COM3
Output "H" voltage 2
Output "L" voltage 1
Output "L" voltage 2
VOH2
OSC2
2.5
−
P00 to P03, P10 to P13,
P20 to P23, SIO0, SIO1,
VOL1
SCK0, SCK1
−
−
SEG00 to SEG19,
COM0 to COM3
VOL2
OSC2
−
−
Output leak current
IL
P00 to P03, P10 to P13,
P20 to P23
−
−
A/D conversion
resolution
RES ADC0 to ADC7
−
8
A/D conversion
setting time
tS
ADC0 to ADC7
−
25
A/D conversion
linearity error
EL
ADC0 to ADC7
−
−
LCD 2/3 level
output voltage
V1
COM0 to COM3
SEG00 to SEG19
−
2
LCD 1/3 level
output voltage
V2
COM0 to COM3
SEG00 to SEG19
−
1
∗1 1 machine cycle is 1/6 of 1 clock cycle.
∗2 Value of linearity error when bypass-capacitor is set on ADC terminal.
Max.
1
−
4.4
−
−
0.5
0.5
1
410
−1
−150
−
−
0.4
0.4
1
−
−
±3
−
−
Unit
µA
mA
MHz
Conditions
• STOP mode
• fOSC=4.4MHz
• Hysteresis input
V ^{• P, SIO, SCK for input.}
• ADC for digital input.
V • External clock
• Hysteresis input
V ^{• P, SIO, SCK for input.}
• ADC for digital input.
V • External clock
• Without pull-down
resistance
µA _{• P, SIO, SCK for input.}
• VIN=VDD
• Pull-down resistance
µA
included
• VIN=VDD
• W, BIN turned off
pull-up resistance
µA
• P for input turned off
pull-up resistance
• SIO, SCK for input
• VIN=GND
• Turned on pull-up
µA
resistance
• VIN=GND
• SIO, SCK for output
V
• SEG, COM for
LCD driver output
• IOH=−500µA
V • IOH=−1.0mA
• P, SIO, SCK for output
V
• SEG, COM for
LCD driver output
• IOL=1.6mA
V • IOL=1.0mA
µA • P for Hi-Z output
bits
MC MC : machine cycle ∗1
LSB ∗2
V
V
6/7