h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 657

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

This LSI has an on-chip flash memory. The features of the flash memory are summarized below.
A block diagram of the flash memory is shown in figure 23.1.
23.1
ROMF254A_010020020700
Product Classification
H8S/2161B
H8S/2160B
H8S/2141B
H8S/2140B
H8S/2145B
H8S/2148B
Size
Programming/erase methods
The flash memory is programmed 128 bytes at a time. Erase is performed in single-block units.
The flash memory is configured as follows:
To erase the entire flash memory, each block must be erased in turn.
Programming/erase time
It takes 10 ms (typ.) to program the flash memory 128 bytes at a time; 80 µs (typ.) per 1 byte.
Erasing one block takes 100 ms (typ.).
64-kbyte version: 8 kbytes
kbyte
128-kbyte version: 32 kbytes
kbytes
256-kbyte version: 64 kbytes
Features
4 blocks
1 block, and 1 kbyte
RAM Capacitance
128 kbytes
64 kbytes
128 kbytes
64 kbytes
256 kbytes
128 kbytes
Section 23 ROM
2 blocks, 16 kbytes
2 blocks, 8 kbytes 2 blocks, 16 kbytes
3 blocks, 32 kbytes
4 blocks
Rev. 3.00 Mar 21, 2006 page 603 of 788
1 block, 28 kbytes
RAM Address
H'000000–H'01FFFF (mode 2)
H'0000–H'DFFF (mode 3)
H'000000–H'00FFFF (mode 2)
H'0000–H'DFFF (mode 3)
H'000000–H'01FFFF (mode 2)
H'0000–H'DFFF (mode 3)
H'000000–H'00FFFF (mode 2)
H'0000–H'DFFF (mode 3)
H'000000–H'03FFFF (mode 2)
H'0000–H'DFFF (mode 3)
H'000000–H'01FFFF (mode 2)
H'0000–H'DFFF (mode 3)
1 block, and 4 kbytes
1 block, and 1
REJ09B0300-0300
Section 23 ROM
1 block, 28
8 blocks.