MITSUBISHI MICROCOMPUTERS
M37905F8CFP, M37905F8CSP
16-BIT CMOS MICROCOMPUTER
FUNCTIONS (Microcomputer mode)
Parameter
Functions
203
Number of basic machine instructions
50 ns (the fastest instruction at f(fsys) = 20 MHz)
Instruction execution time
20 MHz (Max.)
External clock input frequency f(XIN)
System clock frequency f(fsys)
20 MHz (Max.)
Flash memory (User ROM area)
60 Kbytes
Memory size
RAM
3072 bytes
8 Kbytes
Flash memory (Boot ROM area)
8-bit ✕ 5
Programmable input/output
ports
P1, P2, P4, P6, P7
6-bit ✕ 1
P5
4-bit ✕ 1
P8
16-bit ✕ 10
Multi-functional timers
TA0–TA9
16-bit ✕ 3
TB0–TB2
(UART or Clock synchronous serial I/O) ✕ 3
Serial I/O
UART0, UART1, and UART2
10-bit successive approximation method ✕ 1 (12 channels)
A-D converter
D-A converter
Dead-time timer
Watchdog timer
Interrupts
8-bit ✕ 2
8-bit ✕ 3
12-bit ✕ 1
8 external sources, 20 internal sources. Each interrupt can be set
to a priority level within the range of 0–7 by software.
Maskable interrups
3 internal sources.
Non-maskable interrups
Incorporated (externally connected to a ceramic resonator or
quartz crystal resonator).
Clock generating circuit
The following multiplication ratios are available: ✕2,✕✕3,✕✕4.
PLL frequency multiplier
Power supply voltage
Power dissipation
5 V±0.5 V
125 mW (at f(fsys) = 20 MHz, Typ., ; the PLL frequency multiplier
is inactive.)
Input/Output withstand voltage
Output current
5 V
Ports’ input/output
characteristics
5 mA
Not available (single-chip mode only).
–20 to 85 °C
Memory expansion
Operating ambient temperature range
Device structure
CMOS high-performance silicon gate process
(Note)
Package
Note:
Packages
M37905F8CFP
M37905F8CSP
64-pin plastic molded QFP (64P6N-A)
64-pin shrink plastic moldeds DIP (64P4B)
5
RENESAS [ RENESAS TECHNOLOGY CORP ]
