tmp1941af TOSHIBA Semiconductor CORPORATION, tmp1941af Datasheet - Page 236
tmp1941af
Manufacturer Part Number
tmp1941af
Description
32-bit Tx System Risc
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP1941AF.pdf
(354 pages)
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SBI0CR2
(0xFFFF_F243)
SYSCR1.FPSEL
Peripheral Clock
Note: The — character means “Don’t use.”
Select
0 (fgear)
1 (fc)
Name
Read/Write
Reset Value
Function
Note 1: Reading this register causes it to function as a status register (SBI0SR). See the next page.
Note 2: Ensure that the bus is free before switching the operating mode to Port mode. Ensure that the
SYSCR1.GEAR[1:0]
port is at logic high before switching from Port mode to I
Clock Gear Value
Table 14.1 Prescalar Output Clock (φT0) Resolutions
Master/
slave
0: Slave
1: Master
MST
00 (fc)
01 (fc/2)
10 (fc/4)
11 (fc/8)
00 (fc)
01 (fc/2)
10 (fc/4)
11 (fc/8)
7
0
Figure 14.4 I
Serial Bus Interface Control Register 2
Transmit/
receive
0: Receive
1: Transmit
TRX
6
0
TMP1941AF-196
SYSCR0.PRCK[1:0]
W
2
C Bus Mode Registers (2)
Prescalar Clock
START /
STOP
generation
0: STOP
1: START
condition
condition
00 (fperiph/4)
01 (fperiph/2)
00 (fperiph/4)
01 (fperiph/2)
00 (fperiph/4)
01 (fperiph/2)
00 (fperiph/4)
01 (fperiph/2)
00 (fperiph/4)
01 (fperiph/2)
00 (fperiph/4)
01 (fperiph/2)
00 (fperiph/4)
01 (fperiph/2)
00 (fperiph/4)
01 (fperiph/2)
10 (fperiph)
10 (fperiph)
10 (fperiph)
10 (fperiph)
10 (fperiph)
10 (fperiph)
10 (fperiph)
10 (fperiph)
BB
5
0
Select
INTS2
interrupt
clear
0: Don’t
1: Interrupt
care
clear
PIN
4
1
Operating mode (Note 2)
00
01
10
11
Prescalar Output Clock Resolution
Operating mode
(Note 2)
00: Port mode
01: SIO mode
10: I
11: Reserved
Port mode (serial bus interface output disabled)
Clock-Synchronous 8-Bit SIO mode
I
Reserved
SBIM1
2
C Bus mode
2
3
0
C Bus mode
2
W (Note 1)
C Bus or SIO mode.
fc/2
fc/2
fc/2
fc/2
fc/2
SBIM0
2
0
2
3
4
5
2
φT0
TMP1941AF
(0.1 µs)
(0.8 µs)
(0.2 µs)
(0.4 µs)
(0.2 µs)
Software reset
A write of 10 followed
by a write of 01
SWRST1
@fc = 40 MHz
1
0
W (Note 1)
2003-03-27
SWRST0
0
0
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