mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 306

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Memory Map and Registers
1. Refer to this bitfield's description for its value, which is set by IFR bits.
13.2.13 Clock Gate Control Register 1 (SIM_SCGC1)
Each bit in SCGC1 controls the clock gate to its respective module.
Address: SIM_SCGC1 is FFFF_80C0h base + 12h offset = FFFF_80D2h
306
Field
Reset
Field
I2C3
I2C2
I2C1
I2C0
Read
Write
7
6
5
4
Bit
I2C3
00000001
00000010
00000011
00000100
00000101
00000110
00000111
I2C3 clock gate control
Controls the clock gate to the I2C3 module.
0
1
I2C2 clock gate control
Controls the clock gate to the I2C2 module.
0
1
I2C1 clock gate control
Controls the clock gate to the I2C1 module.
0
1
I2C0 clock gate control
Controls the clock gate to the I2C0 module.
7
0
The clock to the module is disabled.
The clock to the module is enabled.
The clock to the module is disabled.
The clock to the module is enabled.
The clock to the module is disabled
The clock to the module is enabled.
MCF51JF
MCF51JU
MCF51QM
MCF51QH
MCF51QF
MCF51QU
Reserved
I2C2
SIM_SDIDL field descriptions (continued)
0
6
MCF51JF128 Reference Manual, Rev. 2, 03/2011
SIM_SCGC1 field descriptions
Table continues on the next page...
I2C1
0
5
Preliminary
I2C0
0
4
Description
Description
SPI1
0
3
SPI0
0
2
Freescale Semiconductor, Inc.
UART1
0
1
UART0
0
0