Renesas H8 Series, Руководство пользователя

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(3) Warnings that Apply to H8/3687, H8/36077, H8/36079 Group Programming
(a) The description given in the hardware manual is “Initial value: 0. Reserved. These bits are always read as
1, and cannot be modified”. However, the description in the emulator manual is “Always specify 0.
These bits are always read as the specified values”.
Table 8.21 Differences between the H8/3687 Group Products (1)
Target Address Register Name Bits
H’FFE2 Port mode register 3 7 to 5
H’FFF5 Interrupt enable register 2 7 and 6
H’FFF9 Module standby control register 1 7 and 2
H’FFFA Module standby control register 2 6, 5, and 3
(b) The description given in the hardware manual is “Reserved”. However, the description in the emulator
manual is “Always specify 0. These bits are always read as the specified values”.
Table 8.22 Differences between the H8/3687 Group Products (2)
Target Address Register Name Bits
H’FFFB Module standby control register 3 0
(c) The hardware manual shows registers at the addresses given below. For these locations, however, the
applicable description in the emulator manual is “Writing has no effect. These bits are always read as
undefined values”, because there are no registers at these locations of the emulator.
Table 8.23.1 Differences between the H8/3687 Group Products (3-1)
Target Address Register Name Bits
H’F730 Low-voltage-detection control register 7 to 0
H’F731 Low-voltage-detection status register 7 to 0
Table 8.23.2 Differences between the H8/36077, H8/36079 Group Products (3-2)
Target Address Register Name Bits
H’F730 Low-voltage-detection control register 7 to 0
H’F731 Low-voltage-detection status register 7 to 0
H’F732 Reset factor register 7 to 0
(d) The H8/3687, H8/36077, H8/36079 group has power-on reset and optional low-voltage detection circuit
functions. However, the E6000 emulator does not support these functions.