Z51F3220FNX Datasheet, PDF (106/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
11.2.3 Register Map
Table 11-2 Basic Interval Timer Register Map
Name
BITCNT
BITCR
Address
8CH
8BH
Dir
Default
R
00H
R/W
01H
Description
Basic Interval Timer Counter Register
Basic Interval Timer Control Register
11.2.4 Basic Interval Timer Register Description
The basic interval timer register consists of basic interval timer counter register (BITCNT) and basic interval
timer control register (BITCR). If BCLR bit is set to ‘1’, BITCNT becomes ‘0’ and then counts up. After 1 machine
cycle, BCLR bit is cleared to ‘0’ automatically.
11.2.5 Register Description for Basic Interval Timer
BITCNT (Basic Interval Timer Counter Register) : 8CH
7
6
5
4
3
BITCNT7
BITCNT6
BITCNT5
BITCNT4
BITCNT3
R
R
R
R
R
BITCNT[7:0] BIT Counter
2
BITCNT2
R
1
0
BITCNT1
BITCNT0
R
R
Initial value : 00H
PS029902-0212
PRELIMINARY
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