upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 571
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upd70f3422gj-gae-qs-ax
Manufacturer Part Number
upd70f3422gj-gae-qs-ax
Description
32-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD70F3422GJ-GAE-QS-AX.pdf
(930 pages)
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Clocked Serial Interface (CSIB)
Bit position
1 to 0
4
Initial Value
Table 17-10
Table 17-11
Table 17-9
Address
Caution
Access
17.7.2 Baud Rate Generator registers
BGCSn[1:0]
Bit name
BGCEn
(1)
The Baud Rate Generators BRGn are controlled and operated by means of the
following registers:
BRGn registers overview
BRGn register base address
PRSMn - Prescaler mode registers
The PRSMn registers control generation of the baud rate signal for CSIB.
This register can be read/written in 8-bit or 1-bit units.
<BRG_base>
00
PRSMn register contents
1.
2.
Preliminary User’s Manual U17566EE1V2UM00
Register name
BRGn prescaler mode register
BRGn prescaler compare register
Timer
BRG0
BRG1
BRG2
H
Do not rewrite the PRSMn register during operation.
Set the BGCSn[1:0] bits before setting the BGCEn bit to 1.
R/W
. This register is cleared by any reset.
7
0
Function
Baud rate output
Input clock selection
0: disabled
1: enabled
BGCSn1
0
0
1
1
R/W
6
0
BGCSn0 Input clock selection (f
0
1
0
1
R/W
Base address <BRG_base>
FFFF FDC0
FFFF FDE0
FFFF FDF0
5
0
f
f
f
f
SPCLK1
SPCLK1
SPCLK1
SPCLK1
BGCEn
R/W
4
H
H
H
/2
/4
/8
R/W
3
0
Shortcut
PRSMn
PRSCMn
BGCSn
R/W
2
0
)
BGCSn1 BGCSn0
Address
<BRG_base>
<BRG_base> + 1
Setting value k
R/W
1
Chapter 17
0
1
2
3
R/W
0
571
H
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