D12320VF25IV Datasheet, PDF (591/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 12 8-Bit Timers
12.1.3 Pin Configuration
Table 12.1 summarizes the input and output pins of the 8-bit timer module.
Table 12.1 Input and Output Pins of 8-Bit Timer
Channel Name
0
Timer output pin 0
Timer clock input pin 0
Timer reset input pin 0
1
Timer output pin 1
Timer clock input pin 1
Timer reset input pin 1
Symbol
TMO0
TMCI0
TMRI0
TMO1
TMCI1
TMRI1
I/O
Output
Input
Input
Output
Input
Input
Function
Outputs at compare match
Inputs external clock for counter
Inputs external reset to counter
Outputs at compare match
Inputs external clock for counter
Inputs external reset to counter
12.1.4 Register Configuration
Table 12.2 summarizes the registers of the 8-bit timer module.
Table 12.2 8-Bit Timer Registers
Channel Name
Abbreviation R/W
0
Timer control register 0
TCR0
R/W
Timer control/status register 0 TCSR0
R/(W)^*2
Time constant register A0
TCORA0
R/W
Time constant register B0
TCORB0
R/W
Timer counter 0
TCNT0
R/W
1
Timer control register 1
TCR1
R/W
Timer control/status register 1 TCSR1
R/(W)^*2
Time constant register A1
TCORA1
R/W
Time constant register B1
TCORB1
R/W
Timer counter 1
TCNT1
R/W
All
Module stop control register MSTPCR
R/W
Notes: 1. Lower 16 bits of the address
2. Only 0 can be written to bits 7 to 5, to clear these flags.
Initial value
H'00
H'00
H'FF
H'FF
H'00
H'00
H'10
H'FF
H'FF
H'00
H'3FFF
Address^*1
H'FFB0
H'FFB2
H'FFB4
H'FFB6
H'FFB8
H'FFB1
H'FFB3
H'FFB5
H'FFB7
H'FFB9
H'FF3C
Each pair of registers for channel 0 and channel 1 is a 16-bit register with the upper 8 bits for
channel 0 and the lower 8 bits for channel 1, so they can be accessed together by a word transfer
instruction.
Rev.6.00 Sep. 27, 2007 Page 559 of 1268
REJ09B0220-0600