s1r72803 Epson Electronics America, Inc., s1r72803 Datasheet - Page 6

• Manufacturer Part Number: s1r72803
• Description: Link/transaction Controller
• Manufacturer: Epson Electronics America, Inc.

S1R72803F00A
2
Built-in CPU
Integration of a CPU eliminated the necessity of an
external CPU to control this IC.
CPU core:
High speed/high performance:
Command set: 16-bit fixed length, 105 types of basic
Execution cycle:
AND/OR (MAC) operation:
CPU Register: 16 32-bit general registers and 5 32-
Memory space:Linear space where 256-Mbyte (28-
External bus interface:
Interrupt:
Reset, boot:
Built-in RAM: 8Kbytes for work
Harvard architecture (Concurrency
of a fetch and load/store)
Ready for operation with 25MHz
commands
Execution at one cycle/command
regarding a main command
16 bits
MAC
bit special registers
bit) code, data, and I/O can be
mapped.
Directly connects the external
memory of the memory area.
Programmable wait cycle (7 cycles,
Max.)
Enables handshake through the
XWAIT terminal.
Ready for reset, NMI, max. 128
external interrupts, 4 software
interrupts, and 2 exceptions
Cold reset, hot reset
32-bit RISC CPU S1C33000
16 bits + 64 bits, 2 clocks/
EPSON
The CPU core built into this IC is an original 32-bit
RISC CPU from SEIKO EPSON. Regarding the CPU
core, refer to the S1C33208/204/202 Technical Manual
and S1C33 Family ASIC Macro Manual. The built-in
RAM is 8Kbytes.
Note: In the built-in CPU core, a DMA controller and
• Memory structure:
• Sector size:
• Unit of erase: Per chip or sector
• Unit of write: Writing with words
• Erase/write time:
• Access time:
• Reliability:
Flash ROM
Integration of a Flash ROM eliminated the necessity
of a ROM to externally store programs.
Others
A Boot ROM (4MBbytes, Max.) is connectable to
outside of this IC.
Supply voltage, 5.0V
184PinQFP (0.4mm pitch)
Not radiation resistant.
A/D converter are not integrated; this part is
different from the description on the DMA
controller and A/D converter given in Technical
Manual (and Macro Manual). A low speed
oscillation circuit (OSC1) is not available.
No. of erase/write 1,000 times
Memory size 512K (32K
512 words/sector
Chip erase time 100ms (Standard)
Sector erase time 20ms (Standard)
Write time:
90nsec. (Max.)
Data retention: 10 years
10% and 3.3V
15 s (Standard)
0.3V
16) bits