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38D5 Datasheet(PDF) 4 Page - Renesas Technology Corp

Part No. 38D5
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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Maker  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
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 4 page
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Rev.3.01
Aug 08, 2007
Page 4 of 134
REJ03B0158-0301
38D5 Group
NOTE:
1. 12.5 MHz < f(XIN)
≤ 16 MHz is not available in the frequency/2 mode.
Table 1
(1)
Parameter
Function
Number of basic instructions
71
Instruction execution time
0.32
µs (Minimum instruction, Oscillation frequency 12.5 MHz)
Oscillation frequency
16 MHz (Maximum)(1)
Memory sizes
(QzROM version)
ROM
32 K to 60 K bytes
RAM
1536 to 2048 bytes
Memory sizes
(Flash memory version)
ROM
60 K bytes
RAM
2048 bytes
Input port
P70, P71
2-bit
× 1
I/O port
P0-P6, P72-P74
8-bit
× 7, 3-bit × 1 (36 pins sharing SEG)
Interrupt
17 sources, 16 vectors (includes key input interrupt)
Timer
8-bit
× 4, 16-bit × 2
Serial I/O1
8-bit
× 1 (UART or Clock-synchronized)
Serial I/O2
8-bit
× 1 (Clock-synchronized)
PWM
10-bit
× 2, 16-bit × 1 (common to IGBT output)
A/D converter
10-bit
× 8 (operated in low-speed mode)
Watchdog timer
8-bit
× 1
ROM correction function
32 bytes
× 2 vectors
LED direct drive port
6 (average current: 15 mA, peak current: 30 mA, total current: 90 mA)
LCD drive control
circuit
Bias
1/2, 1/3
Duty
2, 3, 4, 8
Common output
4/8
Segment output
32/36
Main clock generating circuits
Built-in (connect to external ceramic resonator or on-chip oscillator)
Sub-clock generating circuits
Built-in (connect to external quartz-crystal oscillator)
Power source voltage
(QzROM version)
In frequency/2 mode
(1)
f(XIN)
≤ 12.5 MHz 4.5 to 5.5 V
f(XIN)
≤ 8 MHz
4.0 to 5.5 V
f(XIN)
≤ 4 MHz
2.0 to 5.5 V
f(XIN)
≤ 2 MHz
1.8 to 5.5 V
In frequency/4 mode
f(XIN)
≤ 16 MHz
4.5 to 5.5 V
f(XIN)
≤ 8 MHz
2.0 to 5.5 V
f(XIN)
≤ 4 MHz
1.8 to 5.5 V
In frequency/8 mode
f(XIN)
≤ 16 MHz
4.5 to 5.5 V
f(XIN)
≤ 8 MHz
2.0 to 5.5 V
f(XIN)
≤ 4 MHz
1.8 to 5.5 V
In low-speed mode
1.8 to 5.5 V
Power source voltage
(Flash memory version)
In frequency/2 mode
(1)
f(XIN)
≤ 12.5 MHz 4.5 to 5.5 V
f(XIN)
≤ 8 MHz
4.0 to 5.5 V
f(XIN)
≤ 4 MHz
2.7 to 5.5 V
In frequency/4 mode
f(XIN)
≤ 16 MHz
4.5 to 5.5 V
f(XIN)
≤ 8 MHz
2.7 to 5.5 V
In frequency/8 mode
f(XIN)
≤ 16 MHz
4.5 to 5.5 V
f(XIN)
≤ 8 MHz
2.7 to 5.5 V
In low-speed mode
2.7 to 5.5 V
Performance overview




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