HD6432621 Hitachi, HD6432621 Datasheet - Page 573
![no-image](/images/manufacturer_photos/0/3/301/hitachi_sml.jpg)
HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
- Current page: 573 of 1069
- Download datasheet (5Mb)
15.2.4
The mailbox configuration register (MBCR) is a 16-bit readable/writable register that is used to set
mailbox (buffer) transmission/reception.
Bits 15 to 9 and 7 to 0—Mailbox Setting Register (MBCR7 to MBCR1, MBCR15 to
MBCR8): These bits set the polarity of the corresponding mailboxes.
Bit x: MBCRx
0
1
Bit 8—Reserved: This bit always reads 1. The write value should always be 1.
Initial value:
Initial value:
MBCR
Mailbox Configuration Register (MBCR)
R/W:
R/W:
Bit:
Bit:
MBCR15 MBCR14 MBCR13 MBCR12 MBCR11 MBCR10
MBCR7
Description
Corresponding mailbox is set for transmission
Corresponding mailbox is set for reception
R/W
R/W
15
0
7
0
MBCR6
R/W
R/W
14
0
6
0
MBCR5
R/W
R/W
13
0
5
0
MBCR4
R/W
R/W
12
0
4
0
MBCR3
R/W
R/W
11
0
3
0
MBCR2
R/W
R/W
10
0
2
0
MBCR1
MBCR9
R/W
R/W
9
0
1
0
(Initial value)
MBCR8
R/W
—
8
1
R
0
0
529
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