W921E840A Datasheet, PDF (44/58 Pages) Winbond – 4-BIT MICROCONTROLLER

W921E840A/W921C840
W921C840 Mask ROM Type, continued
PARAMETER
SYM.
CONDITIONS
Hold Mode Current
IHM1 VDD = 3V, FOSC = 4 MHz
(Analog all off)
VDD = 5V, FOSC = 4 MHz
Hold Mode Current
IHM2 VDD = 3V, FOSC = 32.768
KHz
(Analog all off)
VDD = 5V, FOSC = 32.768
KHz
Stop Mode Current
ISM
VDD = 3V
VDD = 5V
Input High Voltage
VIH
−
Input Low Voltage
VIL
−
Pull-high Resistor
(P2, P4, P6, PA, PB, PC, PD)
Output High Voltage
RPH VDD = 3V
VOH IOH = -0.5 mA
Output Low Voltage
Input Leakage Current
DTMF Output DC Level
DTMF Distortion
DTMF Output Voltage
Pre-emphasis
D/A DC Reference
Voltage
D/A Resolution Voltage
VOL1 IOL = 15 mA, port P2
VOL2 IOL = 0.4 mA, Other ports
VIL _{VIN = 0V, RESET pin}
VTDC VDD = 2.8 to 5.5V
THD VDD = 2.8 to 5.5V
VTO ROW Group, RL = 5 KΩ
Col/Row
VDD = 3.0 to 5.5V
VREF
−
VRSL
−
MIN.
--
--
--
TYP.
0.5
2.0
10
MAX.
--
--
--
UNIT
mA
mA
µA
--
50
--
µA
−
1.0
−
1.0
0.7
−
VDD
0
−
−
400
VDD –
−
1.0
−
−
−
−
−
−
1.0
−
-
-30
130 150
1
2
3.0
µA
3.0
µA
VDD
VDD
0.3
VDD
VDD
−
KΩ
−
V
2.0
0.4
V
1
µA
3.0
V
-23
dB
170 mVrms
3
dB
0
−
2/3
VDD
−
1/256
−
VDAC
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