h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 414

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

Table 14.3 Register/Parameter and Target Mode
Notes: 1. The setting is required when programming or erasing user MAT in user boot mode.
14.3.1
The programming/erasing interface registers are as described below. They are all 8-bit registers
that can be accessed in byte. These registers are initialized at a reset or in hardware standby mode.
• Flash Code Control and Status Register (FCCS)
FCCS is configured by bits which request the monitor of the FWE pin state and error occurrence
during programming or erasing flash memory and the download of on-chip program.
Rev. 2.00, 03/04, page 382 of 534
Programming/
Erasing Interface
Register
Programming/
Erasing Interface
Parameter
Bit
7
6, 5
2. The setting may be required according to the combination of initiation mode and read
Bit Name
FWE

Programming/Erasing Interface Register
target MAT.
FCCS
FPCS
FECS
FKEY
FMATS
FTDAR
DPFR
FPFR
FPEFEQ
FUBRA
FMPAR
FMPDR
FEBS
Initial
Value
1/0
All 0
Download







R/W
R
R/W
Description
Flash Program Enable
Monitors the signal level input to the FWE pin.
0: A low level signal is input to the FWE pin.
1: A high level signal is input to the FWE pin.
Reserved
The initial value should not be changed.
(Hardware protection state)
Initialization










Program-
ming








*
1
Erasure









*
1
Read












*
2