MITSUBISHI MICROCOMPUTERS
3822 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 19 Electrical characteristics (Standard, One Time PROM version)
(VCC = 2.5 to 5.5 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Unit
Symbol
Parameter
Test conditions
Min.
2.0
Typ.
Max.
5.5
VRAM
V
RAM retention voltage
At clock stop mode
• High-speed mode, VCC = 5 V
f(XIN) = 8 MHz
6.4
13
mA
f(XCIN) = 32.768 kHz
Output transistors “off”
A-D converter in operating
• High-speed mode, VCC = 5 V
f(XIN) = 8 MHz (in WIT state)
f(XCIN) = 32.768 kHz
1.6
3.2
mA
Output transistors “off”
A-D converter stopped
• Low-speed mode, VCC = 5 V, Ta ≤ 55°C
f(XIN) = stopped
25
7.0
15
36
14
22
9.0
µA
µA
µA
f(XCIN) = 32.768 kHz
Output transistors “off”
ICC
Power source current
• Low-speed mode, VCC = 5 V, Ta = 25°C
f(XIN) = stopped
f(XCIN) = 32.768 kHz (in WIT state)
Output transistors “off”
• Low-speed mode, VCC = 3 V, Ta ≤ 55°C
f(XIN) = stopped
f(XCIN) = 32.768 kHz
Output transistors “off”
• Low-speed mode, VCC = 3 V, Ta = 25°C
f(XIN) = stopped
4.5
0.1
µA
µA
f(XCIN) = 32.768 kHz (in WIT state)
Output transistors “off”
All oscillation stopped
(in STP state)
Output transistors “off”
Ta = 25 °C
Ta = 85 °C
1.0
10
Table 20 A-D converter characteristics (Standard, One Time PROM version)
(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, 4 MHz ≤ f(XIN) ≤ 8 MHz, middle-/high-speed mode, unless otherwise noted)
Limits
Symbol
Parameter
Test conditions
Unit
Min.
Typ.
Max.
8
–
–
Bits
Resolution
VCC = VREF = 5V
±2
LSB
Absolute accuracy
(excluding quantization error)
12.5
(Note)
f(XIN) = 8 MHz
VREF = 5 V
tCONV
Conversion time
µs
RLADDER
IVREF
IIA
Ladder resistor
kΩ
µA
µA
35
12
50
100
200
5.0
Reference power source input current
Analog port input current
150
Note: When an internal trigger is used in middle-speed mode, it is 14 µs.
51
MITSUBISHI [ Mitsubishi Group ]
