D12320VF25V Datasheet, PDF (427/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 10 8-Bit Timers
10.1.3 Pin Configuration
Table 10.1 summarizes the input and output pins of the 8-bit timer module.
Table 10.1 Input and Output Pins of 8-Bit Timer
Channel Name
Symbol
0
Timer output pin 0
TMO0
Timer clock input pin 0 TMCI0
Timer reset input pin 0 TMRI0
1
Timer output pin 1
TMO1
Timer clock input pin 1 TMCI1
Timer reset input pin 1 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
10.1.4 Register Configuration
Table 10.2 summarizes the registers of the 8-bit timer module.
Table 10.2 8-Bit Timer Registers
Channel Name
Abbreviation R/W Initial value
0
Timer control register 0
TCR0
R/W H'00
Timer control/status register 0 TCSR0
R/(W)^*2 H'00
Time constant register A0 TCORA0
R/W H'FF
Time constant register B0 TCORB0
R/W H'FF
Timer counter 0
TCNT0
R/W H'00
1
Timer control register 1
TCR1
R/W H'00
Timer control/status register 1 TCSR1
R/(W) ^*2 H'10
Time constant register A1 TCORA1
R/W H'FF
Time constant register B1 TCORB1
R/W H'FF
Timer counter 1
TCNT1
R/W H'00
All
Module stop control register MSTPCR
R/W H'3FFF
Notes: 1. Lower 16 bits of the address
2. Only 0 can be written to bits 7 to 5, to clear these flags.
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.7.00 Feb. 14, 2007 page 393 of 1108
REJ09B0089-0700