20-668-0024 Rabbit Semiconductor, 20-668-0024 Datasheet - Page 126

• Manufacturer Part Number: 20-668-0024
• Description: IC CPU RABBIT4000 128-LQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 20-668-0024

• Processor Type: Rabbit 4000 8-bit
• Speed: 60MHz
• Voltage: 2.5V, 2.7V, 3V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 128-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Other names: 20-668-0022; 316-1078

14.1.2 Registers
14.2 Dependencies
14.2.1 I/O Pins
The output of Timer B does not come out directly on any of the I/O pins. It can be used to
control when the output occurs on Parallel Ports D–E.
14.2.2 Clocks
The timer in Timer B can be clocked by perclk/2, perclk/16, or by countdown timer A1 as
selected in TBCR.
14.2.3 Other Registers
14.2.4 Interrupts
A Timer B interrupt can be generated whenever the counter equals one of the match
registers by enabling the appropriate bit in TBCSR. The interrupt request is cleared when
TBCSR is read.
116
Timer B Control/Status Register
Timer B Control Register
Timer B MSB 1 Register
Timer B LSB 1 Register
Timer B MSB 2 Register
Timer B LSB 2 Register
Timer B Step LSB 1 Register
Timer B Step MSB 1 Register
Timer B Step LSB 2 Register
Timer B Step MSB 2 Register
Timer B Count MSB Register
Timer B Count LSB Register
GCSR
Register Name
Register
Select peripheral clock mode.
Mnemonic
TBSM1R
TBSM2R
TBSL1R
TBSL2R
TBCMR
TBM1R
TBM2R
TBCSR
TBCLR
TBL1R
TBL2R
TBCR
Rabbit 4000 Microprocessor User’s Manual
Function
I/O Address
0x00BA
0x00BD
0x00BB
0x00BC
0x00BE
0x00B0
0x00B1
0x00B2
0x00B3
0x00B4
0x00B5
0x00BF
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
xxxx0000
xx000000
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Reset