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Renesas 7542 Manual page 5

Single-chip 8-bit cmos microcomputer
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7542 Group
Table 1 Performance overview
Number of basic instructions
Instruction execution time
Oscillation frequency
Memory sizes Mask ROM
FLASH ROM
I/O port
P0, P1, P2, P3
Interrupts
Timer
Output compare
Input capture
Serial interface
A/D converter
Watchdog timer
Clock generating circuit
Power source High-speed mode
voltage
Middle-speed mode oscillation
(at ceramic
resonance)
Double-speed mode At 8MHz
Power source High-speed mode
voltage
Middle-speed mode oscillation
(at RC oscillation)
Power dissipation
Operating
General purpose
temperature
Extended operating temperature
range
Extended operating temperature 125 °C version
Device structure
Package
Notes 1: In the Extended operating temperature version and Extended operating temperature 125 °C version, these are not standardized.
2: In this version, the operating temperature range and total time are limited as follows;
55 °C to 85 °C: within total 6000 hours,
85 °C to 125 °C: within total 1000 hours.
Rev.3.02
Oct 31, 2006
REJ03B0006-0302
Parameter
ROM
RAM
ROM
RAM
At 8MHz
Mask ROM
FLASH ROM
At 4MHz
Mask ROM
oscillation
FLASH ROM
At 2MHz
Mask ROM
oscillation
FLASH ROM
(Note 1)
Mask ROM
oscillation
FLASH ROM
At 6.5MHz Mask ROM
oscillation
FLASH ROM
At 2MHz
Mask ROM
oscillation
FLASH ROM
At 1MHz
Mask ROM
oscillation
FLASH ROM
(Note 1)
At 4MHz
Mask ROM
FLASH ROM
At 2MHz
Mask ROM
oscillation
FLASH ROM
At 1MHz
Mask ROM
oscillation
FLASH ROM
(Note 1)
Mask ROM
FLASH ROM
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0.25 µs
(Minimum instruction, oscillation frequency 8 MHz: double-speed mode)
8 MHz (max.)
8 K to 16 K bytes
384 to 512 bytes
16 K to 32 K + 4 K bytes
1024 bytes
•8-bit
3, 5-bit
1 (8-bit
1, 6-bit
PWQN0036KA-A package version)
18 sources, 16 vectors
•8-bit
2, 16-bit
2
4 channel
2 channel
8-bit
2 (UART or clock synchronous)
10-bit
8 channel
(6 channel for 32-pin version and PWQN0036KA-A package version)
16-bit
1
Built-in
(external ceramic resonator or quartz-crystal oscillator, RC oscillation available)
(Low consumption current by on-chip oscillator available)
4.0 to 5.5 V
2.4 to 5.5 V
2.7 to 5.5 V
2.2 to 5.5 V
2.7 to 5.5 V
4.5 to 5.5 V
4.5 to 5.5 V
2.4 to 5.5 V
2.7 to 5.5 V
2.2 to 5.5 V
2.7 to 5.5 V
4.5 to 5.5 V
2.4 to 5.5 V
2.7 to 5.5 V
2.2 to 5.5 V
2.7 to 5.5 V
27.5 mW (Typ.)
24.0 mW (Typ.)
-20 to 85 °C
-40 to 85 °C
-40 to 125 °C (Note 2)
CMOS sillicon gate
32-pin plastic molded SDIP/LQFP, 36-pin plastic molded SSOP/WQFN
Function
2, 5-bit
1 for 32-pin version and

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