HMS87C5216 ETC1 [List of Unclassifed Manufacturers], HMS87C5216 Datasheet - Page 62

• Manufacturer Part Number: HMS87C5216
• Description: CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER FOR UR(Universal Remocon) & WIRELESS KEYBOARD
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

HMS87C5216
15.3 STANDBY MODE RELEASE
Release of STANDBY mode is executed by RESET input and In-
terrupt signal. Register value is defined when Reset. When there
is a release signal of STOP mode (Interrupt, RESET input), the
Basic Interval Timer
Release Factor
(key input)
RESET
(IFBIT)
KSCN
INT1
INT2
KSCN (key input)
Release Signal
INT1 , INT2
RESET
B.I.T
By RESET Pin = Low level, Standby mode is release and system is initialized
Standby mode is released by low input of selected pin by key scan Input
(SMRR0, SMRR1) In case of interrupt mask enable flag = ``0``,
program executes just after standby instruction,
if flag = ``1``, enters each interrupt service routine.
When external interrupt (INT1, INT2) enable flag is ``1``, standby mode is released
at the rising edge of each terminal. When Standby mode is released at interrupt.
Mask Enable flag = ``0``, program executes from the next instruction of standby
instruction. When ``1``, enters each interrupt service routine.
When B.I.T is executed only by bit10 of prescaler (PS10), SLEEP mode can be
release. Interrupt release SLEEP mode, when BIT interrupt enable flag is ``1``.
When standby mode is released at interrupt. Mask enable flag = ``0``,
program executes from the next instruction of SLEEP instruction.
When ``1``, enters each interrupt service routine.
Table 15-1 Standby Mode Register
Table 15-2 Standby Mode Release
SLEEP
O
O
O
O
instruction execution starts after stabilization oscillation time is
set by value of BTS2 ~ BTS0 and set ENPCK to ``1``.
Release Method
STOP
O
O
O
X
SEP. 2004 Ver 1.01