h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 547
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h8s-2161b
Manufacturer Part Number
h8s-2161b
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2161B.pdf
(845 pages)
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Note:
Bit
3
2
1
0
Bit Name
KBIE
KBF
PER
KBS
* Only 0 can be written for clearing the flag.
Initial Value
0
0
0
0
R/W
R/W
R/(W) *
R/(W) *
R
Description
Keyboard Interrupt Enable
Enables or disables interrupts from the keyboard
buffer controller to the CPU.
0: Interrupt requests are disabled
1: Interrupt requests are enabled
Keyboard Buffer Register Full
Indicates that data reception has been completed and
the received data is in KBBR.
0: [Clearing condition]
Read KBF when KBF =1, then write 0 in KBF
1: [Setting conditions]
Parity Error
Indicates that an odd parity error has occurred.
0: [Clearing condition]
Read PER when PER =1, then write 0 in PER
1: [Setting condition]
When an odd parity error occurs
Keyboard Stop
Indicates the receive data stop bit. Valid only when
KBF = 1.
0: 0 stop bit received
1: 1 stop bit received
When data has been received normally and has
been transferred to KBBR while KBFSEL = 1
(keyboard buffer register full flag)
When a KCLK falling edge is detected while
KBFSEL = 0 (KCLK interrupt flag)
Rev. 3.00 Mar 21, 2006 page 493 of 788
Section 17 Keyboard Buffer Controller
REJ09B0300-0300
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