Toshiba H1 SERIES TLCS-900 - Manual (Page 24)

TMP92CM22
2007-02-16 92CM22-22
3.3.6 Standby Controller
(1) HALT modes
When the HALT instruction is executed, the operating mode switches to IDLE2,
IDLE1, or STOP mode, depending on the contents of the SYSCR2
register.
The subsequent actions performed in each mode are as follows:
a. IDLE2: Only the CPU halts.
The internal I/O is available to select operation during IDLE2 mode by setting the
following register.
Table 3.3.1 shows the registers of setting operation during IDLE2 mode.
Table 3.3.1 SFR Seting Operation during IDLE2 Mode
Internal I/O SFR
TMRA01 TA01RUN
TMRA23 TA23RUN
TMRB0 TB0RUN
TMRB1 TB1RUN
SIO0 SC0MOD1
SIO1 SC1MOD1
AD converter ADMOD1
WDT WDMOD
SBI SBI0BR0
b. IDLE1: Only internal oscillator operates.
c. STOP: All internal circuit stop.
The operation of each of the different HALT modes is described in Table 3.3.2.
Table 3.3.2 Each Block Operation in HALT Mode
HALT Mode IDLE2 IDLE1 STOP
SYSCR2 11 10 01
CPU Stop
I/O port Keep the state when the HALT
instruction is executed.
Refer Table 3.3.5, Table 3.3.6
TMRA, TMRB
SIO, *SBI
AD converter Oper
ation block
WDT
* Selection enable operation
block to programmable
Stop
*: Except clocked-synchronous 8-bit SIO mode for SBI.